Nagarajan, V., R. V. Bhat, and P. G. Tupule. 1973. Environ. Phys. Biochemistry 3:13. [Reports on the presence of an aflatoxin-like factor in cassava in India.]
Nagashima, N., S. Sawayama, A. Kawabata, and R. R. del Rosario. 1983. Some properties of starches from cassava with various washing solutions. Abstracts of papers, 133. 37th Meeting of Japanese Society of Nutrition and Food Science, Osaka, May 1983.
Nagel, R. L., C. Raventos, H. B. Tanowitz, and M. Wittner. 1980. Effect of sodium cyanate on Plasmodium falciparum in vitro. J. of Parasitology 66:483–487. [Claims that high doses of dietary-derived cyanates may directly interfere with the growth and development of Plasmodium falciprum which is the causative agent of falciparum malaria.]
Nair, P. G., and T. Varghese. 1970. Effect of liming on the yields and quality of cassava in laterite soils. Agricultural Research J. of Kerala 8(1):14–16. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:66–67.]
Nair, T. V. R., and S. K. Sinha. 1968. Photoperiodic effects on tuber development in Manihot esculenta, Crantz. Indian J. of Experimental Biology 6(1):60. [Describes photoperiodic effects on the development of tuberous roots.]
Nakamura, I. M., and Y. K. Park. 1975. Some physico-chemical properties of fermented cassava starch, polvilho azêdo. Stärke 27(9):295–297. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:217–218.]
Nambisan, Bala, and S. Sundaresan. 1984. Plant toxins: Spectrophotometric determination of cyanoglucosides in cassava. J. of the Association of Official Analytical Chemists 67(3):641–643. [Reports on a new method for determination of cyanoglucosides in cassava.]
Narasimhan, V., and G. Arjunan. 1973. Effect of mosaic disease on cassava. Paper presented at the 3rd International Symposium on Tropical Root Crops, 2–9 Dec. 1973. [Reports on cassava losses due to cassava mosaic disease.]
Narintaraporn, K., et al. 1978. Postharvest study of cassava roots. Thailand Ministry of Agriculture, Field Crops Research Annual Report 1978. 30 pg.
Nartey, F. 1966. Aflatoxins of Aspergillus flavus grown on cassava. Physiologica Plantarum 19(3):818–822. [Provides evidence that Aspergillus flavus thrives on cassava meal substrate and produces relatively high levels of aflatoxins.]
Nartey, F. 1968. Studies on cassava, Manihot utilissima, Pohl. I. Cyanogenesis: The biosynthesis of linamarin and lotaustralin in etiolated seedlings. Phytochemistry 7:1307–1312. [Shows that a small proportion of the total cyanogenic glycoside present in cassava tubers consists of a methyllinamarin which is believed to be identical with lotaustralin. Claims that linamarin accounts for 93 percent of the total cyanogenic glucosides and lotaustralin only 7 percent.]
Nartey, F. 1969. Studies on cassava, Manihot utilissima. II. Biosynthesis of asparagine-14C for 14C-labelled hydrogen cyanide and its relations with cyanogenesis. Physiologica Plantarum 22:1085–1096. [Provides evidence that the cyanoglucosides are metabolically active and represent some form of storage carbon and nitrogen which are capable of being utilized by the plant.]
Nartey, F. 1970. Cyanide metabolism in higher plants. Z.f. Pflanzenphysiol. 62:398–400. [States that cassava rhodanese activity is inhibited by cysteine.]
Nartey, F. 1973a. Cyanogenesis and metabolic changes associated with ultrastructural development in cassava, Manihot esculenta, Crantz. Denmark: Univ. of Copenhagen, Institute of Plant Physiology. 18 pg. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:24.]
Nartey, F. 1973b. Biosynthesis of cyanogenic glucosides in cassava, Manihot sp. Proceedings of an interdisciplinary workshop on chronic cassava toxicity, London, England, 29–30 January 1973, ed. by B. Nestel, and R. MacIntyre, 73–87. Ottawa, Canada: International Development Research Centre, IDRC-010e. 163 pg. [Claims that cyanogenic materials could not be detected in seeds of sweet cassava cultivars, whereas low levels of these materials were found in seeds of bitter cultivars. Reports the results of electromicroscopic studies on cassava seed tissues.]
Nartey, F. 1977a. The biogenesis of cyanogenic glucosides in germinating cassava seed and seedlings. Proceedings of the 3rd International Symposium on Tropical Root Crops, Ibadan, Nigeria. [Discusses the ultrastructure development of cassava seeds during germination.]
Nartey, F. 1977b. Lipase activity and the conversion of fat to carbohydrate in cassava, Manihot esculenta, Crantz. Proceedings of the 4th International Symposium on Tropical Root Crops, Cali, Colombia. [Reports on the influence of pH on M. esculenta seed lipase.]
Nartey, F. 1978. Manihot esculenta, cassava: Cyanogenesis, ultrastructure and seed germination. Ph.D. dissertation. Denmark: Univ. of Copenhagen. Villadsen and Christensen. 262 pg. [Reviews the results of a series of experiments designed to study cyanogenesis and the biosynthesis of cyanogenic glucosides. Also examines the major metabolic events associated with ultrastructure development, with particular reference to Manihot esculenta, seeds during germination, growth, and maturity.]
Nartey, F., and B. L. Moller. 1973. Fatty acid profiles in germinating Manihot esculenta. Phytochemistry 12:2909–2911. [Examines different varieties of Manihot to determine the qualitative and quantitative composition of storage lipids. States the major qualitative difference resides in the presence of arachidate in some seed varieties but not in others.]
Nartey, F., and B. L. Moller. 1976. Amino acid profiles in cassava seeds, Manihot esculenta, Crantz. Economic Botany 30:419–423. [States that African adults, whose normal diet consists of cassava tubers and leaves, may exceed half the lethal dose of HCN in the food ingested.]
Nartey, F., B. L. Moller, and M. R. Andersen. 1973. The major constituents of cassava seed. Tropical Science 15:273–277. [Reports that M. esculenta seeds have a high protein and low starch content as opposed to the tubers which have a high starch and low protein content.]
Nartey, F., B. L. Moller, and M. R. Andersen. 1974. Changes in the major constituents of Manihot esculenta seeds during germination and growth. Economic Botany 28:145–154. [Examines different varieties of Manihot to determine the qualitative and quantitative composition of storage lipids.]
Nassar, N. M. A. 1976. Conservation of genetic resources of cassava (mandioca), Manihot esculenta, Crantz: Determination of wild species localities with emphasis on cassava probable origin. Ciência e Cultura 28(12):1486–1492. [Claims that wild species of Manihot constitute genetic reservoirs that can supply genes of new characters. Examines the distribution of wild Manihot and concludes that northern Amazonia is the first place where cassava was domesticated.]
Nassar, N. M. A. 1978a. Compatibility of cassava with four wild Manihot species from central Brazil. Turrialba, Costa Rica. 28(1):92–94.
Nassar, N. M. A. 1978b. Wild Manihot species of Central Brazil for cassava breeding. Canadian J. of Plant Science 58(1):257–261. [Examines seven wild Manihot sp. in Brazil for root formation, HCN content and growth habit.]
Nassar, N. M. A. 1982. Collecting wild cassavas in Brazil. Indian J. of Genetics 42:405–411.
Nassar, N. M. A., and C. P. Costa. 1977. Tuber formation and protein content in some wild species of cassava (mandioca) native of Central Brazil. Goiânia, Brasil: Universidade Federal da Goiás, Instituto de Ciências Biológicas. [Examines four wild species of Manihot for protein content.]
Nassar, N. M. A., and J. G. Dorea. 1982. Protein content of cassava cultivars and its hybrid with wild Manihot species. Turrialba, Costa Rica. 32(4):429–432.
Nassar, N. M. A., and R. P . Teixeira. 1982. A quebra da dormencia da semente das espécies selvagens da mandioca, Manihot sp. Ciência e Cultura 35(5):630–632. [Written in Portuguese.]
Nassar, N. M. A., and S. S. Fichtner. 1978. Hydrocyanic acid content in some wild cassava, Manihot species. Canadian Journal of Plant Science 58:577–578. [Examines the cyanide content of five wild Manihot species collected in Central Brazil.]
Natarajan, R., and G. Vijayakumar. 1973. Paper presented at the 3rd International Symposium on Tropical Root Crops, 2–9 Dec. 1973. [Examines the relationship between spacing, yield, assimilation, and dry matter distribution.]
Natarajan, R., and P. Rengasamy. 1973. Paper presented at the 3rd International Symposium on Tropical Root Crops, 2–9 Dec. 1973. [Examines the relationship between spacing, yield, assimilation, and dry matter distribution.]
National Academy of Sciences. 1977. Supporting Paper to the World Food and Nutrition Study 5:52. Washington, D.C.: National Academy of Sciences. [Provides data on the national expenditure on agricultural research for cassava and other starchy staples.]
Naves, G., and L. Navarrete. 1979. Study on drying cassava as a method of conservation for the Ecuadorian orient. Ambato, Ecuador: Universidad Técnica de Ambato. 49 pg. [Postharvest.]
Nayar, G. G. 1975. Neutron induced variegated mutation in tapioca. Current Science 44(6):205. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:15.]
Nelson, Gerald C. 1984a. Starch. The cassava economy of Java, ed. by W. P. Falcon, W. O. Jones, and S. R. Pearson, 91–109. Stanford: Stanford Univ. Press. [Describes the cassava starch processing industry and its relationship to the world market.]
Nelson, Gerald C. 1984b. Gaplek. The cassava economy of Java, ed. by W. P. Falcon, W. O. Jones, and S. R. Pearson, 109–135. Stanford: Stanford Univ. Press. [Describes the cassava gaplek processing industry and its relationship to the world market.]
Nemoto, Y. 1940. Toxicity of bread prepared with grated manioc flour containing hydrocyanic acid. Rev. Alimen. Chim. Indust. 4(33):5–7. [States that when manioc flour containing a little HCN is used in breadmaking, all traces of HCN are removed.]
Nery, J. P. 1963. Extração de proteína da mandioca. Agronômico 15(7–8):4–5. Brazil. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:32. Written in Portuguese.]
Nestel, B. L. 1973a. Foreward. Proceedings of an interdisciplinary workshop on chronic cassava toxicity, London, England, 29–30 January 1973, ed. by B. Nestel, and R. MacIntyre, 5–7. Ottawa, Canada: International Development Research Centre, IDRC-010e. 163 pg. [Provides an overview of the contents of each article in this volume.]
Nestel, B. L. 1973b. Current utilization and future potential for cassava.Proceedings of an interdisciplinary workshop on chronic cassava toxicity, London, England, 29–30 January 1973, ed. by B. Nestel, and R. MacIntyre, 11–26. Ottawa, Canada: International Development Research Centre, IDRC-010e. 163 pg. [Provides an overview of the role of cassava in the world and explores the future potential for cassava.]
Nestel, B. L. 1974a. Après le blé et le riz, le “manioc miracle”? Co-opération 13:9–15. [Discusses cassava with respect to wheat and rice. Written in French.]
Nestel, B. L. 1974b. Current trends in cassava research. Ottawa, Canada: International Development Research Centre, IDRC-036e. 32 pg. [Revised version of a paper presented at 3rd International Symposium on Tropical Root Crops held at the International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria, 2–9 Dec. 1973. Brings together knowledge on the current status of the new and expanding global cassava research centered at the International Centre for Tropical Agriculture (CIAT) in Colombia.]
Nestel, B. L., and J. H. Cock. 1976. Cassava: The development of an international research network. Ottawa, Canada: International Development Research Centre, IDRC-059e. 70 pg. [Describes the development of a worldwide research effort on cassava in the 1970s.]
Nestel, B. L., and M. Graham, eds. 1977. Cassava as animal feed. Proceedings of a workshop held at the University of Guelph, 18–20 April 1977. Ottawa, Canada: International Development Research Centre, IDRC-095e. 147 pg. [Reports on the utilization of cassava in the animal feed industry.]
Nestel, B. L., and R. MacIntyre, eds. 1973.Proceedings of an interdisciplinary workshop on chronic cassava toxicity, London, England, 29–30 January 1973. Ottawa, Canada: International Development Research Centre, IDRC-010e. 163 pg. [Reports the results of a two-day interdisciplinary workshop dealing with cassava toxicity.]
Nestel, B. L., and R. MacIntyre, eds. 1975. The International Exchange and Testing of Cassava Germ Plasm. Proceedings of an interdisciplinary workshop held at CIAT, Palmira, Colombia, 4–6 February 1975. Ottawa, Canada: International Development Research Centre, IDRC-049e. 74 pg. [Evaluates the germ plasm pool and breeding material of cassava. Recognizes the possible genetic control of cyanogenesis.]
Nestel, B. L., ed. 1976. African cassava mosaic. Report of an interdisciplinary workshop, Muguga, Kenya, 19–22 February 1976. Ottawa, Canada: International Development Research Centre, IDRC-071e. 48 pg.
Neves, J. D., J. L. Fernandez-Zoby, A. L. Estima, G. C. Caldas, and C. Haines. 1969. Uréia, melaço e raspa de mandioca, na engorda de bovinos. Inst. de Pesquisas Agronômicas, Mimeo. Report. [Reports on the use of cassava as cattle feed. Written in Portuguese.]
Newbury, M. Catharine. 1984. Ebutumwa Bw’Emiogo: The tyranny of cassava, a women’s tax revolt in Eastern Zaire. Canadian J. of African Studies 18(1):35–54. [Examines the conditions which fostered political consciousness among the women in Buloho, Zaire. States that cassava is the major marketed crop, and that women control its production and marketing.]
Newstead, R. 1917. Observations in scale-insects, Coccidae-V. Bulletin of Entomological Research 8(2):125–134. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:133.]
Ng, B. S., and R. I. Hutagalung. 1974. Evaluation of agricultural products and by-products as animal feed. III. Influence of dehydrated poultry excreta supplementation in cassava diets growth rate and feed utilization of chickens. Malaysian Agricultural Research 3:242–253. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:203–204.]
Ngoddy, P. O. 1978. Determinants in the development of technology for the processing of root and tubers in Nigeria. Proceedings of the 1st National Seminar on Root and Tuber Crops, Umudike, Nigeria.
Ngoddy, P. O., and R. Kaplinsky. 1976. Operational instruments in agro-industrial planning: Choice of technology in gari manufacturing in Nigeria. International Technical Cooperation Center Review 5(2):56–69. Tel Aviv, Israel. [States that gari, which is a dehydrated food product made from cassava, is probably the most important traditional staple crop in West Africa. Explains the choice between two gari processing techniques.]
Ngongi, A. G. N. 1976. Influence of some mineral nutrients on growth, composition and yield of cassava, Manihot esculenta, Crantz. Ph.D. dissertation. Ithaca, N.Y.: Cornell Univ. 215 pg. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:67–68.]
Ngongi, A. G. N., R. H. Howeler, and H. A. MacDonald. 1977. Effects of potassium sources and rates of application on growth, yield and composition of cassava, Manihot esculenta, Crantz. Proceedings of the 4th International Symposium on Tropical Root Crops, 107–113. Cali, Colombia.
Nicholls, H. A. 1929. Food plants. London: Macmillan and Co. [Chapter XV (426–434) deals with cassava.]
Nicholls, Lucius. 1951. Tropical nutrition and dietetics, 3rd ed. London: Bailliere, Tindall and Cox. [Provides data on the average composition of fresh cassava roots, 315, 406. Points out that some people who eat large quantities of cassava refuse to eat uncooked food with it, suggesting that the enzyme for hydrolysis may be introduced to the body from ingested raw fruits and vegetables. States that .06 g of HCN can be a lethal dose for adult animals.]
Nichols, R. F. W. 1947. Breeding cassava for virus resistance. East African Agricultural J. 12(3):184–194. [Examines virus resistance in crosses of tree-type Manihot with shrub-type cassava.]
Nichols, R. F. W. 1948. Review of work on cassava. East African Agricultural Research Institute, Report 1947, 9–11. Amani. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:155.]
Nichols, R. F. W. 1950a. Virus diseases of cassava. East African Agricultural and Forestry Research Organization Annual Report.
Nichols, R. F. W. 1950b. The brown streak disease of cassava. Distribution, climatic effects and diagnostic symptoms. East African Agricultural J. 15:154–160. [Discusses the virus disease known as brown streak which occurs only on the east coast of Africa. Reports this virus can cause stunting of plants and a reduction in root growth. Also discusses the foliar fungus, Oidium manihotis, which causes ash leaf spots on cassava.]
Nicol, B. M. 1952. The nutrition of Nigerian peasants, with special reference to the effects of deficiencies of the vitamin B complex, vitamin A and animal protein. British J. of Nutrition 6:1. [Reports that 25–56 percent of the dietary calories came from cassava among the people in southern Nigeria.]
Nijholt, J. A. 1932. Over vergiftiging door het eten van cassavewortels en daaruit bereide producten. Buitenz 7:871–895. Landbouw. [Suggests that hydrolysis of linamarin can take place within the alimentary system, leading to poisoning. Written in Dutch.]
Nijholt, J. A. 1935. Opname van voedingstaffen uit den bodem cassave. Landbouw 10(9):329–353. [Reports on the absorption of nutrients from the soil by cassava. Provides information on the dry matter content of cassava roots at different ages. Written in Dutch.]
Nijholt, J. A. 1936. Opname van voedingstoffen uit de bodem by cassava. Landbouw and Ernährung der Pflanze. 32:406–408. [States that the nutrients taken up from the soil by cassava plants increases rapidly from the second month of growth and reaches a maximum for most of the elements at the age of ten–fourteen months. Provides evidence that potassium is taken up in large quantities by cassava plants. Written in Dutch.]
Nijholt, J. A. 1964. Report of the survey on cassava production and processing in Ceylon. Rome, Italy: FAO. [Reports the results of a survey to determine the cassava production and processing methods in Sri Lanka and provides recommendations for improving the cassava industry.]
Ninan, C. A., S. Abraham, L. A. Bia, P. N. Nair, and A. Kuriachen. 1976. Lipid metabolism in cassava mosaic infested, Manihot esculenta, Crantz. Paper presented at the 4th International Symposium on Tropical Root Crops, Cali, Colombia.
Nitis, I. M., and I. G. N. Sumatra. 1976. The effect of fertilizers on the growth and yield of cassava, Manihot esculenta, var. Gading, undersown with stylo (Stylosanthes guyanensis cv. Schofield) at Penebel, Bali. Denpasar, Bali: Univ. Udayana, Fakultas Kedotern Heivan dan Peternakan. Bulletin 048. 13 pg. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:68.]
Nkiere, Mbo Wassa. 1984. Considérations sur l’économie des méthodes de traitement du manioc au Zaïre. Zaire - Afrique. 71–82. [Describes processing methods in Zaire. Written in French.]
Nkiere, Mob Wassa. 1976. Contribution à l’étude agro-economique de la culture du manioc au Zaïre. Mémoire. [Written in French.]
Nnodu, E. C. 1974. Chemical aspects of control of bacterial blight of cassava. Proceedings of 1st Workshop on Cassava Bacterial Blight in Nigeria, Umudike, Nigeria, 1974, ed. by E. U. Okpala, and H. J. Glaser, 22–24. Umudike, Nigeria: Federal Agricultural Research and Training Station. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:109.]
Noon, R. A., and R. H. Booth. 1977. Nature of postharvest deterioration of cassava roots. Transactions of the British Mycological Society 69(2):287–290. [States that oxygen is required for the physiological changes in root tissues which cause pigmentation and deterioration. Reports that microorganisms could not be isolated from freshly discolored roots but were isolated from decaying tissues.]
Nordenskiöld, Erland. 1924. The ethnography of South America seen from Mojos in Bolivia. Comparative Ethnographical Studies 3. Göteborg. [States that areas of sweet cassava cultivation ring the Amazon basin while the basin itself is characterized by a mix of sweet and bitter cultivars. Claims that the Atsahuaca sometimes eat raw cassava.]
Normanha, E. S. 1941. Clima e terra para mandioca. Agronômico 1:77–79. Brasil. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:90. Written in Portuguese.]
Normanha, E. S. 1946. O mandarová da mandioca. Campinas, Brasil: Instituto Agronômico. 3 pg. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:139. Written in Portuguese.]
Normanha, E. S. 1951. Adubação da mandioca no estado de São Paulo. Parte I. Efeito da adubação mineral. Bragantia 11(7–9):181–194. [Reports on response of cassava to fertilizer. Written in Portuguese.]
Normanha, E. S. 1958. Pareceres técnicos; sistemas de colheita da mandioca. Agronômico 10(7/8):5–6. Brasil. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:90. Written in Portuguese.]
Normanha, E. S. 1960. Adubação da mandioca e mamoneiras em terras fracas. Chácaras e Quintais 101(2):162. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:69. Written in Portuguese.]
Normanha, E. S. 1961a. Adubação da mandioca. FIR 3(8):18–19. São Paulo. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:68. Written in Portuguese.]
Normanha, E. S. 1961b. Eliminação de verreno da mandioca. Chácaras Qamtaos 104(6):843. [Points out that even though bitterness has been associated with glucoside content, there is no reliable morphological procedure to characterize plants that have a certain glucoside content. Written in Portuguese.]
Normanha, E. S. 1962a. Derivados da mandioca: Terminologia e conceitos. São Paulo, Brasil. [Report on terminology and concepts associated with cassava products. Discusses vernacular names. Written in Portuguese.]
Normanha, E. S. 1962b. Meal of stalks and leaves of cassava. Agronômica 14(5-6):16–19. [Reports the effect of cassava leaf harvest upon root production.]
Normanha, E. S. 1963. Adubação da mandioca. Chácaras e Quintais 108(11):573–574. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:68–69. Written in Portuguese.]
Normanha, E. S. 1965a. Análise de HCN em mandioca. Ciência e Cultura 17(2):197. Brasil. [Reports the results of analysis of HCN content.]
Normanha, E. S. 1965b. Estudos sôbre mandioca brava. Ciência e Cultura 17(2):196. Brasil. [Points out that even though bitterness has been associated with glucoside content, there is no reliable morphological procedure to characterize plants that have a certain glucoside content. Written in Portuguese.]
Normanha, E.S. 1969. Toda mandioca tem veneno. Coopercotia 26(234):24–25. [Describes methods of production of cassava-based food products. Written in Portuguese.]
Normanha, E. S. 1970a. O trabalho de melhoramento da mandioca no Instituto Agronômico do Estado de São Paulo, Campinas, S.P., Brasil. Encontro de Engenheiros Agrônomos, Pesquisadores de Mandioca dos Países Andinos e do Estado de São Paulo 1o, Campinas, Brasil, 39–47. Campinas, Brasil: Instituto Agronômico do Estado de São Paulo. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:155. Written in Portuguese.]
Normanha, E. S. 1970b. General aspects of cassava root production in Brazil. Proceedings of the Second International Symposium on Tropical Root and Tuber Crops 1:61–63. Hawaii. [Describes methods of production of cassava-based food production. Reports how cassava rust, Uromyces manihotis, affected cassava under dry and hot climatic conditions in Brazil. States that cassava is a primary staple in Brazil. Points out that larvae of weevils of the genus Coelosternus causes a decrease in root quality and production. Also points out that several species of flies damage certain cultivars of cassava.]
Normanha, E. S., A. S. Pereira, and E. S. Freire. 1968. Modo e época de aplicação de adubos minerais em cultura de mandioca. Bragantia 27(12):143–154. [Reports on response of cassava to fertilizer. Written in Portuguese.]
Normanha, E. S., and A. S. Pereira. 1950. Aspectos agronômicos da cultura de mandioca, Manihot utilissima, Pohl. Bragantia 10(7):179–202 [Describes agronomic aspects of the cultivation of cassava. Reports on the difference in yield based on fertilization experiments. Written in Portuguese.]
Normanha, E. S., and A. S. Pereira. 1963. Instruções practicas - cultura de mandioca. Agronômico 15(9):9–35. São Paulo, Brasil. [Describes methods of production of cassava-based food products. Discusses the cause of discoloration in vascular tissue. Written in Portuguese.]
Normanha, E. S., and A. S. Pereira. 1964. Cultura de mandioca. Instituto de Agronômico de Campinas, Bul. 124, 29 pg. [Provides plant and root characteristics for several cassava cultivars in Brazil. Reports that several species of flies damage the terminal portions of the stems of certain cultivars of cassava. Written in Portuguese.]
Normanha, E. S., and J. R. da Silva. 1964. Novo mal ataca a mandioca. Coopercotia 21(181):47–48. São Paulo. [Written in Portuguese.]
Normanha, E. S., O. J. Block, and J. B. de Castro. 1948. Observações de campo como contribuiçoe estudo da superbrotamento ou envassouromento da mandioca. Rev. Agr. 21:271–302. Piracicaba. [Written in Portuguese.]
The Northern Rhodesia Industrial Development Corporation Limited. 1963. Prospects in Northern Rhodesia for industries based on the processing of cassava. Lusaka Northern Rhodesia (October).
Numfor, Festus A. 1984. An improved technique of processing cassava fufu. Tropical Root Crops. [Describes methods used to modify the process of preparing fufu, fermented cassava flour, in Africa. Fufu is usually prepared by peeling, washing, and steeping the roots in water for three–five days, then pressing into pulp and sun-drying for two–four days.]
Nunes, Da O., et al. 1974. Resposta da mandioca a adubação mineral e a métodos de aplicação do potássio em solos de baixa fertilidade. Pesquisa Agropecuária Brasileira 9(9):1–9. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:69. Written in Portuguese.]
Nwanze, K. F., K. Leuschner, and H. C. Ezumah. 1979. The cassava mealybug, Phenacoccus sp. Pest Articles and News Summaries (PANS) 25(2):125–130. U. K.
Nwokolo, C., O. L. Ekpechi, and U. Nwokolo. 1966. New foci of endemic goitre in Eastern Nigeria. Transactions of Royal Society of Tropical Medicine and Hygiene 60:97–108. [Suggests that cassava plays a role in the etiology of endemic goiter.]
Nyango, A. K. 1978. Cassava bacterial blight in four regions of the United Republic of Tanzania. Workshop proceedings on cassava bacterial blight in Africa, ed. by E. R. Terry, G. J. Persley, and S. C. A. Cook. Ibadan, Nigeria: IITA.
Nyiira, Z. M. 1972. Report on investigation of cassava mite, Mononychellus tanajoa, Bondar. Kampala, Uganda: Kwanda Research Station. 14 pg. [Reports on cassava green spider mites in Uganda.]
Nyiira, Z. M. 1973a. Bioecological studies on the cassava mite. Paper presented at the 3rd International Symposium on Tropical Root Crops. Ibadan, Nigeria.
Nyiira, Z. M. 1973b. Report on studies on M. tanajoa. Kampala, Uganda: Min. Agriculture. (Mimeo.) [Reports on the effects of cassava of the neotropical mite, Mononychellus tanajoa, in Uganda.]
Nyiira, Z. M. 1975. Advances in research on the economic significance of the green cassava mite, Mononychellus tanajoa, in Uganda. Proceedings of the International Exchange and Testing of Cassava Germ Plasm in Africa, ed. by E. R. Terry, and R. MacIntyre, Ibadan, Nigeria: IITA, 27–29. Ottawa, Canada: IDRC. IDRC-063e.
Nyiira, Z. M., and G. W. Otim-Nape. 1978. Cassava bacterial blight and minor diseases of cassava in Uganda. Workshop proceedings on cassava bacterial blight in Africa, ed. by E. R. Terry, G. J. Persley, and S. C. A. Cook. Ibadan, Nigeria: IITA.
Obayashi, T. 1962. Nan-Bei no Manjôka Saibai ni Tsuite. Hitotsubashi Ronsô 48(2):199–207. Tokyo. [Discusses cassava cultivation in South America.]
Oberg, Kalervo. 1953. Indian tribes of northern Mato Grosso, Brazil. Institute of Social Anthropology publication 15. Washington. [Claims that the Camayura place whole peeled tubers near the fire in order to dry them and remove the cyanide.]
Obigbesan, G. O. 1973. The influence of potassium nutrition on the yield and chemical composition of some tropical root and tuber crops. International Potash Institute, Coloquim, 10th, Abidjan, Ivory Coast. 439–451. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:69–70.]
Obigbesan, G. O. 1977a. Investigations on Nigerian root and tuber crops. J. of Agricultural Science 89:29–34.
Obigbesan, G. O. 1977b. Investigations on Nigerian root and tuber crops. Response of cassava cultivars to potassium fertilizer in Western Nigeria. J. Agricultural Science 89:23–27.
Obigbesan, G. O., A. O. Ketiku, and A. A. Fayemi. 1977. Effects of age at harvest and fertilizer application on the yield, available carbohydrates and hydrocyanic acid content of cassava, Manihot palmata, Pohl. J. of Argicultural Science 88:679–681. Cambridge. [Concludes that fertilizer application has no effect on HCN content of the tubers. Harvesting at fifteen months gave higher yields and increased cyanide levels.]
Obigbesan, G. O., and A. A. Agboola. 1973. An evaluation of the yield and quality of some Nigerian cassava varieties as effected by age. Paper presented at the 3rd International Symposium on Tropical Root Crops, 2–9 Dec. 1973. [Reports on cassava yield in Nigeria.]
Obigbesan, G. O., and A. A. Fayemi. 1976. Investigations on Nigeria root and tuber crops. Influence of nitrogen fertilization on the yield and chemical composition of two cassava cultivars, Manihot esculenta. J. of Agricultural Science 86(2):401–406. U. K. [Compares a local cultivar with an improved cultivar for starch yield based on nitrogen levels.]
Obigbesan, G. O., and E. O. Matuluko. 1977. Effect of potassium and bacterial blight on the yield and chemical composition of cassava cultivars. Proceedings of the 4th Symposium of the International Society for Tropical Root Crops, Cali, Colombia, ed. by J. H. Cock, R. MacIntyre, and M. Graham, 185–188. Ottawa, Canada: IDRC. IDRC-080e.
Obioha, F. C. 1972. Utilization of cassava as a human food. A literature review and research recommendations on cassava, Manihot esculenta, Crantz, ed. by C. H. Hendershott, et al., 131–156. Athens, Ga.: Univ. of Georgia. [Provides an overview of the literature dealing with nutritional value, food products, and storage forms. Emphasizes Africa.]
Obregon, R., and G. Juarez. 1955. Comparación entre follaje de yuca y alfalfa. Lima, Perú: Estación Experimental. [Compares the foliage of cassava with that of alfalfa. Reports on the fat and protein content of cassava leaf meal with respect to harvest time. Written in Spanish.]
Odigboh, E. U. 1979a. Mechanical devices for peeling cassava. Tropical root crops, ed. by D. Plunkett, 309–326. Boulder, Co.: Westview Press.
Odigboh, E. U. 1979b. Cassava chips processing and drying: a cassava chipping machine. Tropical root crops, ed. by D. Plunkett, 327–339. Boulder, Co.: Westview Press.
Odigboh, E. U. 1983. Cassava: Production, processing and utilization handbook of tropical foods, ed. by H. T. Chan, 145–200. New York: Marcel Dekker. [Provides an overview of the origin and importance of cassava and its description. Discusses the growing, processing, and utilization of cassava.]
Odigboh, E. U., and N. N. Mohsenin. 1975. Effects of concentration on the viscosity profile of cassava starch pastes during the cooking-cooling process. J. of Texture Studies 5(4):441–457. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:218.]
Oduro, K. A., and E. O. Asare. 1978. Improvement of cassava at U. S. T. Kumasi. Paper presented at the Symposium on Crop Improvement in Ghana, Faculty of Agriculture, Univ. of Ghana, Legon, Accra, Ghana, 15–16 Dec. 1978.
Oei-Dharma, H. P. 1969. The use of pesticides and control of economic pests and diseases in Indonesia. Leiden: E. J. Brill. 199 pg. [Reports that attacks on cassava by the red spider mite, Tetranychus telarius, left the plants stunted, the younger leaves were often wilted, and the older leaves developed red-brown patches. Notes that scale insects Saissetia sp., and Lepidosaphes sp. occur as pests on cassava in Indonesia. Recommends a pest control practice.]
Oelsligle, D. D., R. Meneses, and R. E. McCollum. 1974. Nitrogen response by a corn-cassava intercropped system in the Atlantic Coast of Costa Rica. Agronomic research on tropical soils. Raleigh: North Carolina State Univ. [Reports the results of experiments on different levels of nitrogen applied to cassava and maize.]
Oficina de Planeación del Sector Agrícola. 1978. Evaluación final Programas Agrícolas. [States that the Atlantic Coast region of Colombia produces 40 percent of the country’s cassava. Written in Spanish.]
Ogunsua, A. O., and G. T. Adedeji. 1979. Effect of processing on ascorbic acid in different varieties of cassava, Manihot esculenta, Crantz. J. of Food Technology 14:69–74.
Oguri, S. S. 1957. Kogyo Kagoku Zasshi 60:467–469. [Discusses the relationship between processing cassava and the retention of different types of vitamin B.]
Ohidike, D. C. 1981. The influenza pandemia of 1918–1919 and the spread of cassava cultivation on the lower Niger: A study in historical linkages. J. of African History 22(3):379–391.
Ojofeitimi, E. O. 1977. Nutritional evaluation of the three most common African staple foods supplemented with two vegetable proteins. Ph.D. dissertation. Univ. Maryland. [Assesses the nutritive quality of cassava gari in rats.]
Okafor, N. 1977. Micro-organisms associated with cassava fermentation for gari production. J. of Applied Bacteriology 42:279–284.
Okali, C., and E. Bortei-Doku. 1978. The impact of the NAFPP program in Imo State. Second NAFPP National Cassava Workshop, Umudike. Ibadan, Nigeria: International Institute of Tropical Agriculture. Mimeo. [Reports the results of an intercropping experiment. Includes an evaluation of farmers’ reactions and attitudes toward new packages.]
Oke, O. L. 1965a. Chemical studies on some Nigerian foodstuffs - lafun. West African J. of Biological and Applied Chemistry 8(3):53–56. [Discusses the preparation of lafun in Nigeria. Reports on the changes in food composition resulting from the preparation of lafun.]
Oke, O. L. 1965b. Nutritional studies on Nigerian tubers. West African Pharmacist 7(6):109–110, 113. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:32.]
Oke, O. L. 1966a. Chemical studies on some Nigerian foodstuffs. Gari. Nature 212(5066):1055–1056.
Oke, O. L. 1966b. Chemical studies on some Nigerian foodstuffs. Tropical Science 8(1):23–27.
Oke, O. L. 1968. Cassava as food in Nigeria. World Review of Nutrition and Dietetics 9:227–250. [Describes methods of production of cassava-based food products. Discusses the range of cyanogen content in the edible tubers. Reviews earlier work on the occurrence of linamarin in cassava.]
Oke, O. L. 1969. The role of hydrocyanic acid in nutrition. World Review of Nutrition and Dietetics 11:170–198. [Discusses the range of cyanogen content in the edible tubers.]
Oke, O. L. 1970. Toxic chemical in Nigerian foodstuffs. Indian J. of Nutrition and Dietetics 7:119–129. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:210–211.]
Oke, O. L. 1972. A nutrition policy for Nigeria. World Review of Nutrition and Dietetics 14:1–47. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:173.]
Oke, O. L. 1973. The mode of cyanide detoxication. Proceedings of an interdisciplinary workshop on chronic cassava toxicity, London, England, 29–30 January 1973, ed. by B. Nestel, and R. MacIntyre, 97–104. Ottawa, Canada: International Development Research Centre, IDRC-010e. 163 pg. [Reviews the mode of detoxication in the body. Claims the enzyme rhodanese represents the chief site of detoxication.]
Oke, O. L. 1977. The prophylactic action of cassava. Proceedings of the 4th Symposium of the International Society for Tropical Root Crops held at CIAT, Cali, Colombia, 1–7 August 1976, ed. by J. Cock, R. MacIntyre, and M. Graham. Ottawa, Canada: International Development Research Centre, IDRC-080e. 277 pg.
Oke, O. L. 1978. Problems in the use of cassava as animal feed. Animal Feed. Science Technology 3(4):345–380.
Oke, O. L. 1979. Some aspects of the role of cyanogenic glycosides in nutrition. World Review of Nutrition and Dietetics 33:70–103. [Examines the role of cyanogenic glycosides and their possible effects.]
Okigbo, B. N. 1970. Effects of methods of seedbed preparation and mulching on cassava yield. Proceedings: Soil Tillage and Crop Production, Ibadan, Nigeria, ed. by R. Lal, 75–92.
Okigbo, B. N. 1971. Effect of planting dates on the yield and general performance of cassava, Manihot utilissima, Pohl. Nigerian Agricultural J. 8:115–122.
Okigbo, B. N. 1973. Paper presented at the 3rd International Symposiom on Tropical Root Crops. 2–9 Dec. 1973. [Reports on cassava yield in Nigeria.]
Okigbo, B. N. 1976a. IITA Annual report, 90. Ibadan, Nigeria: IITA. [Claims that tuber yields were increased by 86 percent when black plastic mulch was used.]
Okigbo, B. N. 1976b. Intercropping systems in tropical Africa. Multiple cropping, ed. by M. Stelly. ASA Special Publication 27. [Estimates that half the cassava in Africa is grown in mixed cropping systems.]
Okigbo, B. N. 1977. International Institute of Tropical Agriculture, preliminary cassava interplanting trials. Umudike, Nigeria: First NAFPP (National Accelerated Food Production Project) National Cassava Workshop. 9 pg. [Concludes that relay intercropping of cassava through maize gives high yields of component crops when cassava is planted at the same time as the maize or not more than two months after maize planting.]
Okigbo, B. N. 1980. Nutritional implications of projects giving high priority to the production of staples of low nutritive quality: The case for cassava, Manihot esculenta, Crantz, in the humid tropics of West Africa. Food Nutrition Bulletin 2(4):1–10. [Points out the need to adopt a systems’ approach in order to understand the problem of cassava-dependency. Discusses the nutritional hazards of cassava dependency.]
Okpala, E. U. 1974. Review of the economic importance of the bacterial blight of cassava caused by Xanthomonas manihotis. Proceedings of the First Workshop on Cassava Bacterial Blight in Nigeria, Umudike, Nigeria, 1974, ed. by E. U. Okpala, and H. J. Glaser, 15–21. Umudike, Nigeria: Federal Agricultural Research and Training Station. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:116.]
Olalo, C. C. 1973. Production and hectarage of root crops in the Philippines 1963–1972. PCAR, Crops Research Division. 30 pg. (Mimeo.) [Provides data on the average area and yield of cassava by region in the Philippines from 1963–1972.]
Olgado, S. S., B. H. Domingo, and C. M. Baente. 1977. Cassava socio-economic and marketing study. Philippines: Department of Agriculture, 18. 14 pg. [Reports the results of interviews to determine costs of production and marketing, returns received, and problems in the cassava industry in the Philippines.]
Oliveira, S. L. de, M. M. Macedo, and M. C. M. Porto. 1981. Efeito do déficit da água na produção de raizes de mandioca. Report from Centro Nacionale de Pesquisa de Mandioca e Fruticultura. Cruz das Almas, Bahia. [Claims that once cassava is established it has no critical period when drought will cause a disastrous decrease in yield. Written in Portuguese.]
Oliveros, B., J. C. Lozano, and R. H. Booth. 1974. A phytophthora root rot of cassava in Colombia. Plant Disease Reporter 58(8):703–705.
Olojede-Nelson, S. O. 1970. Methods of analysis of cassava used in Chemistry and Soils Division. Nigeria: Federal Department of Agricultural Research, Memorandum 104. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:32–33.]
Olorunda, A. O. 1979. Storage and processing of some Nigerian root crops. Tropical root crops, ed. by D. Plunkett, 90–99. Boulder, Co.: Westview Press.
Olson, D. W., M. L. Sunde, and H. R. Bird. 1969. Amino acid supplementation of mandioca meal chick diets. Poultry Science 48:1949–1953. [Reports the results of feeding cassava to chickens. Claims that diets high in cassava leaf meal are improved by the addition of methionine.]
Oluwasanmi, J. O., and A. F. Alli. 1968. Goiters in Western Nigeria. Trop. Geographic Medicine 20:357–366. [Suggests that cassava plays a role in the etiology of endemic goiter.]
Omawale, and A. M. Rodrigues. 1980. Nutrition considerations in a cassava production program for Guyana. Ecology of Food and Nutrition 10:87–95. [Reports the results of a nutritional survey in Guyana. States that the cassava production program is likely to improve the nutrition.]
Omole, T. 1977. Cassava in the nutrition of layers. Ottawa, Canada: IDRC. IDRC-095e, 51–55.
Onabanjo, E. O., ed. 1979. A selected bibliography on cassava. Oshodi, Nigeria: Federal Institute of Industrial Research. 22 pg. [Entries fall under five main headings. Includes an author index.]
Onochie, B. E. 1975. Critical periods for weed control in cassava in Nigeria. Pest Articles and News Summaries (PANS) 21:54–57. U. K.
Onochie, B. E., and G. A. Makajuola. 1973. Is the root pattern of cassava in a form suitable for mechanical harvesting? Proceedings of the 3rd International Symposium on Tropical Root Crops. Ibadan, Nigeria. [Suggests the necessity of developing uniform roots with high dry matter content and good storage potential.]
Ononogbu, Ikependu C. 1980. The toxicity of cassava. Trends in Biochemical Sciences (September) 10–11. [Describes methods for preparing cassava in Nigeria. Reports that cassava leaves are used as food in West Africa, New Guinea, and Central Java.]
Onwueme, I. C. 1978a. An evaluation of the performance of cassava, Manihot esculenta, Crantz, when grown from inverted stem cuttings. J. of Agricultural Science 90:149–156. Cambridge.
Onwueme, I. C. 1978b. Cassava. The tropical tuber crops. Chichester, England: John Wiley and Sons. 234 pg. [Includes a section on cassava in which he discusses botany, planting, field operations, diseases and pests, utilization, and economic role.]
Oomen, H. A. P. C. 1964. Vegetable greens, a tropical undevelopment. Chronica Horticulturae 4(1):3–5. [Discusses cassava leaf consumption.]
Opelanio, C. T., C. F. Mendoza, J. D. Abunyawan, and L. V. Guñgab 1979. Cassava socio-economic and marketing study. Part V: Pangasinan and La Union, 8. Philippines: Department of Agriculture. 48 pg. [Provides a socio-economic profile of cassava farmers in the Philippines in order to determine costs of production and marketing, returns received, and problems in the cassava industry in the Philippines.]
Opelanio, C. T., C. F. Mendoza, P. G. Tulod, and M. C. Lontok. 1978. Cassava socio-economic and marketing study. Part VIII: Northern Mindanao 79(1). Philippines: Department of Agriculture. 49 pg. [Provides a socio-economic profile of cassava farmers in the Philippines in order to determine costs of production and marketing, returns received, and problems in the cassava industry in the Philippines.]
Opsomer, J. E. 1938. De invloed van de mozaiekziekte op de opbrengst van de casaave. Bul. Agricole Congo Belge 29(2):317–322. [Suggests that higher yields can be established by planting clean cuttings.]
Orok, E. J., and J. P. Bowland. 1974. Nigerian cocoa husks and cassava meal as sources of energy for rats and fed soybean meal or peanut meal-supplemented diets. Canadian J. of Animal Science 54(2):229–238. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:174.]
Osman, E. M. 1967. Starch in the food industry. Starch chemistry and technology, 163–215. New York: Academic Press. [Compares gelatinization ranges of several food starches including cassava.]
Osman, E. M., and P. O. Cummisford. 1959. Food Research 24:595. [Examines viscosities of several food starches including cassava.]
Ospina, B. 1981. Secado natural de yuca en San Juan de Betulia, Sucre. Sincelejo. Mimeo. 57 pg. [Discusses the effects of drying surface and loading density on cassava drying time. Written in Spanish.]
Ospina, B. 1982. Informe de actividades en la planta piloto de secado natural de yuca, San Juan de Betulia - Sucre. Mimeo. 14 pg. [Reports on labor requirements for drying cassava. Written in Spanish.]
Ospina, B., G. Gómez, and R. Best. 1983. El secado de la yuca para la alimentación animal. Serie CIAT 05SC(1):83. Cali, Colombia: CIAT. [Describes postharvesting techniques. Written in Spanish.]
Ospina, B., R. Best, and G. Gómez. 1983. Natural drying of cassava for animal feed: The establishment of small agroindustries on the Atlantic Coast of Colombia. 6th Symposium of the International Society for Tropical Root Crops (ISTRC), Lima, Peru, 21–26 February 1983, 16 pg. [Describes a cooperative project to establish small scale cassava natural drying plants on the Atlantic Coast of Colombia. Summarizes conditions required for the successful establishment of drying plants.]
Ospina, L. A. 1960. La yuca, valioso recurso agrícola del Meta. Arroz 106:19–20. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:54–55. Written in Spanish.]
Ospina, V. E. 1980. Quantifição da deterioração de mandioca durante a secagem em barcaça por convecção forçada de ar aquecido com coletor solar. Tesis de Maestría. Universidade Estadual de Campinas, Faculdade de Engenharia de Alimentos e Agrícola. 100 pg. [Reports the results of tests on cassava drying. Written in Portuguese.]
Osuntokun, B. O. 1968. An ataxic neuropathy in Nigeria. Brain 91:215–248. [Ataxic neuropathy is endemic in developing countries where cassava products form the major staple food. Claims that chronic ingestion of cyanide (cyanogenic glucosides) may contribute to the high incidence of this neuropathological syndrome.]
Osuntokun, B. O. 1969. Chronic cyanide intoxication and a degenerative neuropathy in Nigeria. Ph.D. dissertation. Univ. of Ibadan. [Provides evidence correlating cyanide exposure and tropical ataxic neuropathy.]
Osuntokun, B. O. 1970. Cassava diet and cyanide metabolism in Wistar rats. British J. of Nutrition 24:797–800. [Suggests that long-term consumption of cassava containing low levels of hydrocyanic acid (HCN) produces a chronic cyanide toxicity. Establishes a quantitative relation between the cyanide content of cassava roots and the thiocyanate produced. Provides evidence in support of the etiological role of a cassava diet in the pathogenesis of the Nigerian nutritional ataxic neuropathy.]
Osuntokun, B. O. 1971. The epidemiology of tropical nutritional neuropathy in Nigerians. Transactions of Royal Society of Tropical Medicine and Hygiene 65:454–479. [Suggests that prolonged exposure to cyanide may be important in determining the onset of tropical ataxic neuropathy.]
Osuntokun, B .O. 1972. Chronic cyanide neurotoxicity and neuropathy in Nigerians. Plant Foods for Human Nutrition 2:215–266. [Discusses chronic effects resulting from the continued ingestion of cassava products.]
Osuntokun, B. O. 1973. Ataxic neuropathy associated with high cassava diets in West Africa. Proceedings of an interdisciplinary workshop on chronic cassava toxicity, London, England, 29–30 January 1973, ed. by B. Nestel, and R. MacIntyre, 127–138. Ottawa, Canada: International Development Research Centre, IDRC-010e. 163 pg. [Reports the results of epidemiological studies in Nigeria which showed a correlation between ataxic neuropathy and intensity of cassava cultivation, frequency of cassava meals and plasma thiocyanate levels. Cassava farmers and processors appeared to have the highest risk of developing the disease.]
Osuntokun, B. O. 1981. Cassava diet, chronic cyanide intoxication and neuropathy in the Nigerian Africans. World Review of Nutrition and Dietetics 36:141–173. [Suggests that chronic cyanide intoxication from cassava is the major factor in the pathogenesis of tropical neuropathy in Nigeria. Describes Nigerian methods for preparing cassava.]
Osuntokun, B. O., A. Aladetoyinbo, and A. O. G. Adeuja. 1970. Free-cyanide levels in tropical ataxic neuropathy. Lancet 2:372–373. [Suggests a correlation between cassava consumption and ataxic neuropathy.]
Osuntokun, B. O., and A. Aladetoyinbo. 1970. Plasma cyanide and hepatic thiosulfate-cyanide sulfur transferase (rhodanese) activity in the Nigerian ataxic neuropathy. Nigerian J. of Science 4:209–230. [Suggests that long-term consumption of cassava containing low levels of hydrocyanic acid (HCN) produces a chronic cyanide toxicity with resulting ataxic neuropathy. States that intragastric release of cyanide occurs after cassava meals.]
Osuntokun, B. O., and G. L. Monekosso. 1969. Degenerative tropical neuropathy and diet. British Medical J. 3:647–649. [Suggests a correlation between cassava consumption and ataxic neuropathy.]
Osuntokun, B. O., G. L. Monekosso, and J. Wilson. 1969a. Relationship of a degenerative tropical neuropathy to diet. British Medical J. 1:547–550. [Provides biochemical evidence of increased exposure to cyanide in cassava-eating areas. Suggests that cassava farmers and processors might be more prone to tropical ataxic neuropathy.]
Osuntokun, B. O., G. L. Monekosso, and J. Wilson. 1969b. Cassava diet and chronic degenerative neuropathy: An epidemiological study. Nigerian J. of Science 3(1):3–15. [Provides evidence that chronic cyanide poisoning is of great importance in areas where cassava constitutes a major portion of the diet.]
Osuntokun, B. O., J. E. Durowoju, H. McFarlane, and J. Wilson. 1968. Plasma amino-acids in the Nigerian nutritional ataxic neuropathy. British Medical J. 3:647–649. [Suggests that chronic cyanide intoxication causes a deficiency of sulfur-containing amino acids. Notes that both cystine and cysteine are involved in cyanide detoxification.]
Oswald, T. A. n.d. Factors affecting the productivity of cassava in Costa Rica. USDA.
Otoul, E. 1973. Contribution à l’étude nutritionelle des feuilles de manioc, Manihot esculenta, Crantz, Manihot utilissima, Pohl. Bulletin des Recherches Agronomiques de Gembloux 8(2):117–123. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:33. Written in French.]
Otoul, E. 1974. Spectres des acides aminés des feuilles de clones de manioc morphologiquement très différents, Manihot esculenta, Crantz (=M. utilissima, Pohl). Bulletin des Recherches Agronomiques de Gembloux 9(2):159–163. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:33. Written in French.]
Oudit, D. D. 1976. Polythene bags keep cassava tubers fresh for several weeks at ambient temperature. J. of the Agricultural Society 76:63–66. Trinidad and Tobago. [Reports on the use of plastic bags for cassava storage.]
Overeem, C. van. 1925. Cercosporaceae. Cercospora cassavae Ell. + Ev. - Icones Fungorum Malayensium 10.
Oyeniran, J. O. 1980. The role of fungi in the deterioration of tropical stored products. Nigerian Stored Products Research Institute Occasional Paper Series 2:1–25.
Oyenuga, V. A. 1955a. The composition and nutritional value of certain feedingstuffs in Nigeria. Emp. J. Experimental Agriculture 23:81–95.
Oyenuga, V. A. 1955b. Nigerian feedstuffs. Faculty of Agriculture Technical Bulletin 1. Ibadan: Ibadan Univ. Press. [Examines the chemical composition of various forms and types of cassava roots, leaves and products.]
Oyenuga, V. A. 1961. Nutritive value of cereal and cassava diets for growing and fattening pigs in Nigeria. British J. of Nutrition 15(3):327–338. [Discusses the use of cassava roots in the animal feed industry.]
Oyenuga, V. A. 1968. Nigeria’s foods and feedingstuffs. Ibadan, Nigeria: Ibadan Univ. Press. [Third edition of Oyenuga (1955). Incorporates new information on the chemical constituents of cassava roots, peels, leaves, and flour. Includes Yoruba, Ibo, and Hausa as names for cassava.]
Oyenuga, V. A., and B. L. Fetuga. 1975. Chemical composition, digestibility and energy values of some varieties of yam, cassava, sweet potatoes and cocoyams for pigs. Nigerian J. of Science 9(1):63–110. [Provides composition of cassava (raw or cooked, peeled or unpeeled), cassava flour and gari.
Oyenuga, V. A., and E. O. Amazigo. 1957. A note on the hydrocyanic acid content of cassava, Manihot utilissima, Pohl. West African J. of Biological Chemistry 1(2):39–43. [Discusses the range of cyanogen content in the edible tubers. States that in the study area, cassava contains more hydrocyanic acid in December than in September. Reports that levels of HCN found in six varieties would be toxic to livestock.]
Oyenuga, V. A., and L. K. Opeke. 1957. The value of cassava rations for pork and bacon production. West African J. of Biological Chemistry 1(1):3–14. [Provides figures on cassava calorie yields in Nigeria. Discusses cyanide consumption. Points out the value of cassava in swine diets.]
Pacca, D. W. 1935. Sobre o ‘Diplodia’ da mandioca. Rodriquésia 1(2):77–82. [Written in Portuguese.]
Pacca, D. W. 1937. Contribucao ao estudo das doenças da mandioca. Rodriguésia, Brasil. 3(10):171–178. [Written in Portuguese.]
Pacheco, J. A. de C. 1952a. Alterações do teor de amido durante o armazenamento das raizes de mandioca. Bragantia 13(6):15–16. Campinas. [Written in Portuguese.]
Pacheco, J. A. de C. 1952b. Alterações do qualidade de fecula durante o armazenamento das raizes de mandioca. Bragantia 12(7-9):297–298. Campinas. [Suggests that discoloration and softening of fresh roots are physiological reactions. Written in Portuguese.]
Pachico, D. 1980. Prospects for the feed concentrate industry in Latin America: Market potential for Colombia. Cali, Colombia: CIAT. Internal document, 24 pg. [Discusses the potential for using dry cassava in animal feeds.]
Pachico, D., and J. K. Lynam. 1981. Cassava production, marketing and utilization. Latin American agriculture: Trends in CIAT commodities. Internal Document Econ. 1(6):69–124. [Provides economic data suggesting the animal feed industry as an important market for dry cassava.]
Pachico, D., W. Janssen, and J. K. Lynam. 1983. Ex ante analysis of new technology: A comparison of cassava for the feed and fresh markets in Colombia. Agricultural Systems 11:131–142. [Discusses cassava price elasticity.]
Package of practices for tapioca. 1972. Trivandrum, India: Central Tuber Crop Research Institute (CTCRI). [Recommends a list of practices for increasing cassava production per unit area.]
Pacumbaba, R. P. 1979. Tong method: An effective screening technique in young cassava seedlings for detecting resistance against CBB disease in Zaire. Paper presented at Root and Tuber Crops Symposium, Manila, Philippines.
Padmaja, G. 1980. Effect of ascorbic acid, potassium cyanide and glutathione on the in vitro polyphenol oxidase activity of stored cassava roots. Proceedings of the seminar on Postharvest technology of cassava, AFST, 17. India. [Provides evidence indicating a close association between polyphenol oxidation and vascular streaking of cassava tubers.]
Padmaja, G., C. Balagopal, and V. P. Potty. 1980. Causes for the vascular streaking in cassava roots during postharvest deterioration. Proceedings of the seminar on postharvest technology of cassava, AFST, 7. India. [Provides evidence indicating a close association between polyphenol oxidation and vascular streaking of cassava tubers.]
Padmaja, G., C. Balagopal, and V. P. Potty. 1982a. Polyphenols and vascular streaking in cassava. Cassava Newsletter 10:5. Cali, Colombia: CIAT. [Points out that plyphenol oxidase activity in cassava roots increases with the increased degree of vascular streaking during storage.]
Padmaja, G., C. Balagopal, and V. P. Potty. 1982b. Cellulolytic, amylolytic and pectinolytic enzyme activities of deteriorating cassava roots. J. of Root Crops 8(1,2):35–40. [Investigates patterns of change in degrading enzymes during the storage of cassava roots. Concludes that maximum degrading enzyme activities occur during the fourth to sixth days of storage.]
Paine, J. 1939. A study and collection of the edible aroids, yams and cassavas of Trinidad, British West Indies. St. Augustine, Trinidad: Imperial College of Tropical Agriculture. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:8.]
Paiva, D. V. 1952. El cultivo e industrialización de la mandioca. Boletín Informativo 401:4–5. Uruguay. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:55. Written in Spanish.]
Palisse, M., and J. Bartou. 1973. Le manioc et les patates douces, matières premieres glucidiques pour le poulet de chair. Journées de Recherches Avicoles et Cunicoles, Paris. 165–167. Paris: Institut Technique de l’Aviculture. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:204. Written in French.]
Pandittesekera, D. G., and Y. Elikewela. 1947. Some indigenous feedingstuffs of Ceylon. Tropical Agriculturist 103:176–178. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:174.]
Panikar, P. G. K. n.da. Food balance sheet of Kerala, Working Paper 6. Trivandrum, India: Centre for Development Studies. [Reports on the role of cassava in a recent diet survey.]
Panikar, P. G. K. n.db. The level of nutrition in Kerala. Trivandrum, India: Centre for Development Studies. [States that the poor have an overdependence on cereals and tubers including cassava.]
Panikar, P. G. K. 1972. Economics of nutrition. Economic and Political Weekly. Bombay, India. [Shows that recent diet surveys did not adequately take into account the importance of cassava.]
Papadakis, J. 1966. Crop ecological survey in West Africa (Liberia, Ivory Coast, Ghana, Togo, Dahomey, Nigeria). Rome, Italy: FAO, United Nations. [Reports that in Africa when a soil was infested with Imperata brasiliensis, the grass was controlled when cassava was densely planted.]
Paradela Filho, O. 1971. Principais doenças da mandioca. Agronômico 23:116–124. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:109–110. Written in Portuguese.]
Park, Y. K., and D. C. Lima. 1973. J. of Food Science 38:358. [Points out that cassava can be hydrolyzed to produce glucose.]
Parker, B. L., and R. H. Booth. 1979. Storage of cassava chips, Manihot esculenta: Insect infestation and damage. Experimental Agriculture 15:145–151.
Parker, B. L., R. H. Booth, and C. P. Haines. 1981. Arthropods infesting stored cassava, Manihot esculenta, Crantz, in Penninsular Malaysia. Protection Ecology 3:141–156.
Parry, J. H., and Phillip Sherlock. 1971. A short history of the West Indies. New York: St. Martin’s Press. [Points out the lack of European interest in consuming cassava, 2.]
Parsons, J. J. 1975. Proceedings of an International Meeting. Caracas, Venezuela. 10–22 February 1974: The use of ecological guidelines for development in the American humid tropics. Morzes, Switzerland: International Union for Conservation of Nature and Natural Resources. [Suggests that many areas now under tropical rainforest were once cultivated with cassava.]
Pascalet, M. 1932. La mosaique on lèpre du manioc. Agronomie Coloniale 21(172):117–131. [Written in French.]
Passam, H. C. 1976. Cyanide-insensitive respiration in root tubers of cassava, Manihot esculenta, Crantz. Plant Science Letters 7(3):211–218. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:16.]
Passam, H. C., and R. A. Noon. 1977. Deterioration of yams and cassava during storage. Proceedings of the Association of Applied Biologists. Annals of Applied Biology 85(3):436–440. [Discusses the influence of age on the storage of yams and cassava in relation to the physiological roles of the storage organs.]
Pax, F. 1959. Euphorbiaceae-Adrianeae. Das Planzenreich; regni vegetabilis conspectus, ed. by A. Engler. Weinheim, Germany: Verlag von H.R. Engelmann. [Discusses the relationships between genera and species within the two families Euphorbiaceae-Adrianeae. Discusses the genera Manihot Adans.]
Payen, M. 1857. Composition et produits du manioc. Journal de la Société Nationale d’Horticulture de France 3:183–189. [Describes the physicochemical properties of cassava and recommends using cassava as animal feed. Written in French.]
Payne, H., and D. C. Webster. 1968. The toxicity of cassava varieties on two Jamaican soil types of differing potassium status. Kingston, Jamaica: Ministry of Agriculture and Fisheries, Crop Agronomy Division. 3 pg. [Points out that even though bitterness has been associated with glucoside content, there is no reliable morphological procedure to characterize plants that have a certain glucoside content.]
Paz B., F. R. 1975. Ecuador (cassava germ plasm). The International Exchange and Testing of Cassava Germ Plasm in Africa. Proceedings of an interdisciplinary workshop. Ibadan, Nigeria, 1975, ed. by B. Nestel, and R. MacIntyre, 25–28. Ottawa, Canada: IDRC. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:155–156.]
Pearson, David. 1970. The chemical analysis of foods. 6th ed. London: J. and A. Churchill. [Divides starches in four categories with cassava starches falling into the miscellaneous starches category.]
Pearson, S. R., W. P. Falcon, and W. O. Jones. 1984. Cassava and Java. The cassava economy of Java, ed. by W. P. Falcon, W. O. Jones, and S. R. Pearson, 1–7. Stanford: Stanford Univ. Press. [Investigates whether increases in cassava production are technically and economically feasible. Examines processing, consumer preferences, export market, production, and marketing of cassava in Java.]
Pechnik, E., and L. R. Guimaraes. 1961. Sobre o aproveitamento da folha de mandioca, Manihot sp., na alimentação humana. 1. Teor de acido cianidrico. Arquivos Brasil Nutr. 17(1):9–16. [Deals with protein amounts in diets containing dried cassava leaf meal. Examines HCN content of cassava leaf meal and claims that the rate of detoxication in leaves is slower than that in roots. Written in Portuguese.]
Pechnik, E., and L. R. Guimaraes. 1962. Sobre o aproveitamento da folha de mandioca, Manihot sp., na alimentação humana. 3. Mandioca mansa. Arquivos Brasil Nutr. 18(1–2):25–36. [Deals with protein amounts in diets containing dried cassava leaf meal. Analyzes cassava leaves that are fresh, dried, ground into meal or cooked. Written in Portuguese.]
Pechnik, E., and L. R. Guimaraes. 1963. Sobre o aproveitamento da folha de mandioca, Manihot sp., na alimentação humana. 4. Efeito da suplementação de amino-ácidos sinteicos sobre o valor alimentício da folha de mandioca-mansa secada ao ar e em refrigerador. Arquivos Brasil Nutr. 19(2):11–20. [Deals with protein amounts in diets containing dried cassava leaf meal. Written in Portuguese.]
Pechnik, E., L. R. Guimaraes, and A. Panek. 1962. Sobre o aproveitamento da folha de mandioca, Manihot sp., na alimentação humana. 2. Contribuição ao estudo do valor alimentício. Arquivos Brasil Nutr. 18(1–2):11–23. [Deals with protein amounts in diets containing dried cassava leaf meal. Written in Portuguese.]
Peckolt, T. 1886. (Cited by O. L. Oke, 1968.) [Identified the compound Manihotoxin in Manihot and showed that Manihotoxin was a cyanogenic glucoside.]
Pedrana, Clive. 1979. Processing of root crop products, especially taro and cassava, in Western Samoa. Tropical root crops, ed. by D. Plunkett, 258–265. Boulder, Co.: Westview Press.
Peiris, E. A. 1938. Manioc starch and its possibilities. Tropical Agriculturalist 91:27. Ceylon.
Peixoto, A. R. 1963. Mandioca. Rio de Janeiro, Brasil: Ministério de Agricultura, Serviço de Informação Agricola, Productos Rurais 5. 36 pg. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:55. Written in Portuguese.]
Peixoto, A. R. 1965. Comparison of cassava meal and maize as feeds for growing and fattening pigs. Escola Agro. Eliseu Maciel, Pelotas, Brasil, November, pg. 19. [Reports the results of feeding cassava to swine.]
Pelzer, K. J. 1949. Pioneer settlement in the Asiatic tropics. American Geographical Society Special Publication 29. [Claims that cassava is unimportant in Sumatra, Borneo, the Philippines (40,000 acres), Malaya (24,000 acres), and Indochina (75,000 acres). Wrongly claims that both maize and cassava are easy to store.]
Pereira, A. L. G., and A. G. Zagatto. 1967. Actiology of angular leaf spot of cassava. Agr. Inst. Biol. 34(3):152–160.
Pereira, A. S. 1971. Breve comentário sôbre experimentos de competição de clones de mandiocas de mesa (Aípins), no Instituto Agronômico de Estado de São Paulo. Agronômico 23:21–33. Brasil. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:34. Written in Portuguese.]
Pereira, A. S., and M. G. Pinto. 1962. Informações sobre as mandiocas de mesa, macaxeiras ou aipins. Agronômico 14:9–10. Campinas. [Claims that cyanide content is the sole basis for the usual division between bitter and sweet. Written in Portuguese.]
Pereira, A. S., and M. G. Pinto. 1962. Determinação da toxicadade da mandioca pelo paladar raízes “in natura”. Bragantia 21(25):145–150. [State that no correlation between sweetness or bitterness of taste and cyanide levels can be made. Written in Portuguese.]
Pereira, A. S., J. P. Nery, and A. Conagin. 1960. Teor de ácido cianídrico na polpa das raizes dos aipins. Bragantia 19(17):247–259. [Investigates the cyanide content of different varieties of cassava. Claims the age of the roots is not statistically correlated with the HCN content. Written in Portuguese.]
Pereira, A. S., J. P. Nery, and T. Igue. 1965. Seleção de novos clones de mandioca para mesa, pela toxicidade e paladar de suas raizes - in natura. Bragantia 24:55–58. [Claims that cyanide content is the sole basis for the usual division between bitter and sweet. Written in Portuguese.]
Pereira, C. 1966. La yuca: Riqueza potencial inexplotada. Agrotecnia de Cuba 4(2):22–42. [Pertains to the feeding value of cassava leaves.]
Pereira, C. L. 1961. The cultivation of cassava and its value for human nutrition. Rev. Agricola Mozambique 3(31):8–11.
Pereira de Melo, P. P. 1939. O “saporema” de Pernambuco. Bol. Agr. Pernambuco. 4(2):127–129.
Pereira, J. F., D. S. Seigler, and W. E. Splittstoesser. 1981. Cyanogenesis in sweet and bitter cultivars of cassava. Hort. Science 16(6):776–777. [Reports that cyanide content of the leaves and roots of 6 Venezuelan cultivars did not necessarily coincide with their organoleptic classification.]
Perera, J. A. W. 1940. Cassava in Ceylon. Tropical Agriculturalist 94:24.
Perrault, P. T. 1978. Banana - manioc farming systems of the tropical forest: A case study in Zaire. Ph.D. dissertation. Stanford Univ. [Provides information on the socio-economic status of cassava farmers in Zaire.]
Perry, B. A. 1942. Cytological relationships in the Euphorbiaceae. Virginia J. of Science 3:140–144. [Concludes that the basic chromosome number of the genus Manihot is 9 and that Manihot esculenta is a tetraploid.]
Perry, B. A. 1943a. Chromosome number and phylogenetic relationships in the Euphorbiaceae. American J. Botany 30(7):527–543. [Examines the diploid chromosome number in cassava cultivars. Concludes that the basic chromosome number of the genus Manihot is 9 and that Manihot esculenta is a tetraploid.]
Perry, B. A. 1943b. Chromosome number relationships in the genus Euphorbia. Chronica Botanica 7(8):413–414. [Concludes that the basic chromosome number of the genus Manihot is 9 and that Manihot esculenta is a tetraploid.]
Persley, G. J. 1977. Distribution and importance of cassava bacterial blight in Africa. Cassava bacterial blight, ed. by G. Persley, E. R. Terry, and R. McIntyre, 9–14. Ottawa, Canada: IDRC. IDRC-096e.
Persley, G. J. 1978a. Epiphytic survival of Xanthomonas manihotis in relation to plant disease cycle of cassava bacterial blight. Paper presented at the 4th International Conference on Plant Pathogenic Bacteria, 773–777. Angers, France.
Persley, G. J. 1978b. Studies on the epidemiology and ecology of cassava bacterial blight. Workshop proceedings on the cassava bacterial blight in Africa, ed. by E. R. Terry, G. J. Persley, and S. C. A. Cook. Ibadan, Nigeria: IITA.
Persley, G. J., E. R. Terry, and R. MacIntyre, eds. 1977. Cassava bacterial blight: Report of an interdisciplinary workshop held at IITA, Ibadan, Nigeria, 1–4 November 1976. Ottawa, Canada: International Development Research Centre, IDRC-096e. 36 pg.
Perten, H. 1970. Composite flour program. Doc. Package 1. Rome, Italy: FAO. [Discusses the use of cassava as a substitute for wheat flour in bread making. Flour.]
Peters, F. E. 1959. La composition chimique des aliments du Pacifique Sud. Qualitas Plantarum et Materiae Vegetabiles 5:313–343. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:34–35. Written in French. Nutrition.]
Peterson, J. F., and A. F. Yang. 1976. Characterization studies of cassava mosaic agents. African cassava mosaic, ed. by B. Nestel, 17–26. Ottawa, Canada: IDRC. IDRC-071e. [Disease.]
Pettigrew, A. R., and G. S. Fell. 1972. Simplified calorimetric determination of thiocyanate in biological fluids, and its application to investigations of toxic amblyopias. Clin. Chem. 18:996–1,000. [Points out that sublethal doses of ingested cyanide are normally converted to the less toxic thiocyanate. Thiocyanate, Toxicity, Lab.]
Périssé, J., and S. Le Berre. n.d. Table de composition des aliments du Togo apercu sur l’alimentation des populations rurales. Institut de Recherches du Togo. [Estimates vitamin and mineral content of some cassava products. Nutrition.]
Pfeffer, E., D. Hartmann, and H. Mohme. 1972. Einflüsse der Trocknungstemperatur und - dauer bei der Unterdachtrocknung vo Halmfutter auf den futterwert. Zetschrift für Tierphysiologie Tierernährung und Futtermittelkunde 30:212–221. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:204–205. Written in German. Animal feed.]
Pfeffer, E., J. Klapsing, and C. Besecke. 1975. Untersuchungen über den Einfluss steigender Tapiokazulagen auf den Stichstoffumsatz von Hammeln. Zetschrift für Tierphysiologie Tierernährung und Futtermittelkunde 35:101–112. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:205. Written in German. Animal feed.]
The Philippine food balance sheet 1971. 1973. NEDA Food Balance Service 1:1–49. [Provides data on the production, use, and consumption of cassava in the Philippines.]
Phillips, T. P. 1974a. Cassava utilization and potential markets. Ottawa, Canada: International Development Research Centre, IDRC-020e. 182 pg. [Describes the prospects of increasing cassava production and achieving self-sufficiency in the consumer nations of Africa. Assesses the potential of the human, animal, and industrial starch markets for cassava and relates these markets to producing countries, especially Brazil and Thailand. Mentions how cassava is prepared in various parts of the world.]
Phillips, T. P. 1974b. World market prospects for cassava and its products. Cassava processing and storage. Proceedings of an interdisciplinary workshop, Pattaya, Thailand, 17–19 April 1974, ed. by E. V. Araullo, B. Nestel, and M. Campbell, 13–19. Ottawa, Canada: Int. Develop. Res. Centre, IDRC-031e. 125 pg. [Describes the world market prospects for cassava products and the potential for market growth.]
Phillips, T. P. 1977. A profile of Thai cassava production practices. Proceedings of the 4th Symposium of the International Society for Tropical Root Crops. CIAT, Cali, Colombia, 1–7 Aug. 1976. Ottawa, Canada: International Development Research Centre, IDRC-080e. [Reports the results of a farm survey in Thailand which show why yields may be reduced. Analyzes the economic and agronomic relationships of cassava production.]
Phillips, T. P. 1978. Cassava harvesting and processing. 66–74. Ottawa, Canada: International Development Research Centre, IDRC-114e. [Points out that cassava is a potential biomass crop because of its ability to produce high yields of carbohydrates.]
Phillips, T. P. 1979a. Prospects for processing and marketing cassava products as animal feed. World Animal Review 31:36–40. [Examines the past and future market for cassava.]
Phillips, T. P. 1979b. The implications of cassava processing and marketing for other root crops. Tropical root crops, ed. by D. Plunkett, 378–396. Boulder, Co.: Westview Press.
Phillips, T. P. 1983. Proceedings of the Workshop, Ottawa, Canada, 1982, ed. by F. Delange, and A. Ahluwaliaved, 83–88. Ottawa, Canada: IDRC. IDRC-207e. [States that cassava contributes significantly to the diets of over 800 million peple.]
Pickel, B. 1937. Lista das moléstias e dos fungas parasitários das plantas cultivadas em Pernambuco. Rodriquésia 2:207–212. [Written in Portuguese.]
Pieris, N., and E. R. Jansz. 1975. Cyanogenic glucoside content of manioc. III. Fate of bound cyanide on processing and cooking. J. of the National Science Council of Sri Lanka 3:41–50. [Points out that cassava flour prepared by sun drying may contain large quantities of cyanogenic glucosides.]
Pieris, N., and E. R. Jansz. 1976a. Cyanide liberation from linamarin. II. Purification and some properties of the cyanide liberating enzymes of manioc rind. J. of the National Science Council of Sri Lanka 4(1):29–47. [Examines the cyanide-liberating activity of linamarase in cassava peel. Concludes that cassava peel contains two linamarin-hydrolyzing enzymes, linamarase A and B.]
Pieris, N., and E. R. Jansz. 1976b. Cyanide liberation from linamarin. III. Separation of the linamarases of manioc rind by DEAE-cellulose chromatography. J. of the National Science Council of Sri Lanka 4(2):139–147. [Show the presence of 4–6 cyanide-liberating activity peaks in cassava peel.]
Pieris, N., E. R. Jansz, and R. Kandage. 1974. Cyanogenic glucoside content of manioc. I. An enzymic method of determination applied to processed manioc. J. of the National Science Council of Sri Lanka 2:67–76. [Reports that modifications in the amount of sample material used does not influence cyanide liberation, expressed per gram of sample.]
Pillai, K. S. M., H. Sreemulanathan, and A. P. Chettiar. 1970. Studies on the preservation of cassava (tapioca) tuber. Agricultural Research J. of Kerala 8(2):82–85. [Presents the results of studies of tubers stored under soil.]
Pillai, P., and R. Krishna. 1972. Tapioca in Kerala. Trivandrum, India: Bureau of Economics and Statistics. [Discusses planning and export promotion of cassava products.]
Pinchinat, A. M. 1973. Rendimiento potencial de la yuca, Manihot esculenta, Crantz, en la zona de Turrialba, Costa Rica. Proceedings of the Tropical Region. American Society for Horticultural Science 17:367–372. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:99. Written in Spanish.]
Pingale, S. V., M. Mathur, and M. V. Sharangapani. 1956. Insect pests of stored tapioca chips and their control. Bulletin of Central Food Technology Research Institute 5:134–136. [Reports nine different species of insects capable of causing damage to stored cassava chips.]
Pinstrup-Andersen, P., and N. Pinstrup-Andersen de Londoño. 1971. Estudio de consumidores de la Ciudad de Cali. Cali, Colombia: CIAT. [Provides figures for the per capita consumption of cassava, rice, and potatoes in 1970.]
Pinstrup-Anderson, P., and R. O. Díaz. 1975. A suggested method for improving the information base for establishing priorities in cassava research. The International Exchange and Testing of Cassava Germ Plasm. Proceedings of an interdisciplinary workshop held at CIAT, Palmira, Colombia, 4–6 February 1975, ed. by B. Nestle, and R. MacIntyre, 51–59. Ottawa, Canada: International Development Research Centre. [Identifies factors that reduce cassava yields and quantifies their importance.]
Pion, R. 1973. Composition des aliments végétaux en protides et en acides aminés. Revue Française de Diététique 17(66):13–25. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:35. Written in French.]
Pirchumoni, E. S. 1973. Chronic cassava toxicity: Possible relationship to chronic pancreatic disease in malnourished populations. Lancet 2:1397–1398.
Pirie, N. W. 1964. Novel protein sources for use as human food in wet tropical regions. Congrès International des Industries Alimentaires et Agricoles, 1er, 237–248. Abidjan, Côte d’Ivoire. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:174–175. Written in French.]
Pittier, H. 1929. Botanical notes on, and descriptions of, new and old species of Venezuelan plants. II. Old and new species of Euphorbiaceae. J. of the Washington Academy of Sciences 19(16):351–357. [Provides a botanical description and taxonomic identification of some new species from Venezuela.]
Pittier, H. 1930. Botanical notes on, and description of, new and old species of Venezuelan plants. III. Old and new species of Euphorbiaceae: Manihot filamentosa, Pittier, sp. nov. J. of the Washington Academy of Sciences 20(1):3–12. [Provides botanical descriptions for species of Euphorbiaceae found in Venezuela.]
Platt, B. S. 1945a. Tables of representative values of foods commonly used in tropical countries. Great Britian Medical Research Council, Special Report Series 23:12–13. [Provides data on the average composition of fresh cassava roots.]
Platt, B. S. 1945b. Tables of representative values of foods commonly used in tropical countries. Great Britain Medical Research Council, Special Report Series 253:20–21. [Estimates vitamin and mineral content of fresh cassava leaves.]
Plumbley, R. A., and P. A. Hughes. 1982. DEAE-cellulose separation of peroxidases from cassava, Manihot esculenta, Crantz, root tissue. J. of Food Biochemistry 6:197–206.
Plumbley, R. A., P. A. Hughes, and D. J. Marriott. 1981. Studies on peroxidases and vascular discoloration in cassava root tissue. J. of the Science of Food and Agriculture 32(7):723–731. [Correlates vascular streaking in tubers with the proxidase and polyphenol oxidase changes in harvested tubers.]
Plunkett, D., ed. 1979. Tropical root crops. Boulder, Co.: Westview Press. [Contains several articles dealing with processing and storage of cassava.]
Pohath-Keheldannala, T. B. 1907. Poison in food plants, especially cassava. Tropical Agriculturist 2:161–164. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:211.]
Poleman, T. T. 1961a. Food Research Institute 2:121. [Points out that cassava is among the least expensive available sources of calories.]
Poleman, T. T. 1961b. The food economies of urban middle Africa: The case of Ghana. Food Research Institute Studies 2(2):121–175. Stanford Univ. [Reports that when consumption of one form of cassava declined then another increased. Suggests that in Ghana there is a tendency for fresh roots to be substituted for dry products as incomes increase.]
Polimanti, O. n.d. Influenza dell’alimentazione con gelatina, tapioca e glutine sull’accrescimento dei girini di rana. Rivista di Biologia 13:423–432. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:204. Written in Italian.]
Pollard, C., and S. Levi. 1959. Nature 183:620–621. [Reports on the isolation of glycoside from cassava juice.]
Pongpojkasem, J. 1979. The effectiveness of agricultural incentives in Thailand: A case study of rice, maize, cassava and sugar. Bangkok, Thailand: Thammasat Univ. [Outlines the agricultural incentives used in Thailand in the 1970s and evaluates their effectiveness.]
Porras, M. E. 1975. Las rodajas de yuca, una nueva agroindustria. Surco Latinoamericano. Colombia. 1:6–7. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:55. Written in Spanish.]
Porto Marcio Carvalho, Marques, Pedro Alve de Almeida, Pedro Luiz Pires de Mattos, and Raymundo Fonsêca Souza. 1979. Cassava intercropping in Brazil. Proceedings of an international workshop on intercropping with cassava, held at Trivandrum, India, 27 Nov–1 Dec 1978, ed. by E. Weber, B. Nestel, and M. Campbell, 25–30. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg. [States that Brazil is the world’s greatest cassava producer, accounting for 30 percent of all root production. Provides an overview of cassava intercropping in Brazil.]
Poverty, unemployment and development policy: A case study of selected issues with reference to Kerala. 1975. Publ. ST/ESA/29. New York: United Nations. [Discusses dietary habits of people in Kerala, India. Examines socioeconomic parameters in this highly cassava dependent area.]
Powell, P. E. 1968. Cercospora leaf spots of cassava. Ithaca, New York: Cornell Univ., Department of Plant Pathology. 5 pg.
Powell, P. E. 1972 The Cercospora leaf spots of cassava. Tropical Root and Tuber Crops Newsletter 6:10–14.
Pradill, A., F. Brenes, and E. Alvarez-Luna. 1975. Analytical and biological studies of a high-yielding, high protein cassava. Archivos Latinoamericanos de Nutrición 25(2):175–186. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:175.]
Praminik, A. 1971. Prospects for tapioca cultivation and pellitization in Malaysia. The Planter 47:543. [Examines the cassava pellet industry in Malaysia.]
Pratt, Nana C. n.d. Nutrients and cyanide contents of new cassava varieties in Sierra Leone. (Mimeo.) [Examines protein, iron, and cyanide levels of the leaves of six cassava cultivars in Sierra Leone. States that leaves serve as a vegetable sauce.]
The precious root: Thailand’s tapioca industry. 1971. Investor 3:12. [States that 6 million tons of cassava were harvested in Thailand in 1970.]
The preservation of manioc. n.d. Ceylon Department of Agriculture, Leaflet 202. Colombo, Sri Lanka. [Discusses the drying of cassava roots for marketing.]
Primer seminario nacional sobre yuca, Manihot esculenta, 10 Oct 1973. Tacarigua Estación Experimental “Samán Mocho”. 1973. Revista de la Facultad de Agronomía 22. Alcance, Venezuela. 167 pg. [Reports on the first national seminar on cassava which dealt with agronomic, economic, and technological aspects of cassava production and the use of cassava in animal feeds. Written in Spanish.]
Pringle, W., A. Williams, and J. H. Hulse. 1969. Cer. Science Today 14:114. [Discusses the use of cassava as a substitute for wheat flour in bread making.]
Proctor, F. J., J. P. Goodliffe, and D. G. Coursey. 1981. Postharvest losses of vegetables and their control in the tropics. Vegetable productivity, ed. by C. R. W. Spedding, 139–172. London: MacMillan Publ. Ltd.
Production, marketing and processing of tapioca in Thailand in the year 2514 (1971). 1973. Bangkok, Thailand: Agricultural Economic Division, Ministry of Agriculture. [Reports the results of a study on the production, marketing, and processing of cassava in Thailand.]
Programme and summary of papers presented at the International Symposium on Tropical Root Crops. 1967. St. Augustine, Trinidad: Univ. of the West Indies.
Proposed national research program in root crops. 1973. PCAR, Crops Research Division. 8 pg. (Mimeo.) [Provides a list of completed research in root crops in the Philippines.]
Proyecto Mandioca, Relatório Semestral de Andamento e Avaliação de Pesquisas. 1972. Salvador, Brasil: Fed. Univ. Bahia. [Reports on a cassava research group in Brazil. Written in Portuguese.]
Prudhomme, E. 1920. Note sur la composition de six échantillons de manioc du Cambodge. Bulletin Agricole de l’Institut Scientifique de Saigon 2:196–199. [Provides a physicochemical analysis of six cassava root samples from Kampuchea. Written in French.]
Puig, and J. Nattino. 1920. La mandioca. Revista del Ministerio de Industrias 8(52):81–85. Uruguay. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:55–56. Written in Spanish.]
Pupo, L. M., et al. 1970. Avaliação sensorial de novos clones de mandioca. Coletânea do Instituto de Tecnologia de Alimentos 3:57–64. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:175. Written in Portuguese.]
Purcel, J. G., and D. H. Williams. 1973. History of the development of the first mechanized continuous gari manufacturing plant. Paper presented at 3rd International Symposium on Tropical Root Crops, Ibadan, Nigeria.
Purseglove, D. W. 1968. Tropical crops: Dicotyledons. London: Longmans. 332 pg. [Cassava discussed on pages 172–180.]
Purseglove, J. W. 1976. The origins and migrations of crops in tropical Africa. Origins of African plant domestication, ed. by Jack R. Harlan, Jan M. J. De Wet, and Ann B. L. Stemler, 291–309. Paris: The Hague, Mouton. [States that the Portuguese were responsible for the early introduction of cassava into Africa. Discusses origin, distribution, ecology, botany, diseases, and pests associated with cassava. Claims that in Africa bitter cassava is planted in areas where wild animals are a menace.]
Puschendorf, J. 1972. Resultado de los ensayos de campo con yuca en el Valle de Sula, Honduras. Tegucigalpa, Honduras: Ministerio de Recursos Naturales/FAO. 43 pg. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:99–100. Written in Spanish.]
Pushparajah, E., and S. Y. Tan. 1970. Tapioca as an intercrop in rubber. Crop diversification in Malaysia, ed. by E. N. Blencowe, and J. W. Blencowe, 128–138. Kuala Lumpur: Soc. Planters. [Reports the results of intercropping cassava with rubber.]
Pynaert, L. 1915. Cassava: Its cultivation and utilization. Bulletin of the Imperial Institute 12:581–611. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:56.]
Pynaert, L. 1951. Le manioc. Ministere des Colonies, Bruxelles. [Describes methods of production of cassava-based food products. Written in French.]