Hachero, L. 1957. A cottage cassava slicer. Philippine J. of Agriculture 22:81.
Hahn, S. K. 1976. Cooperative testing and selection. The International Exchange and Testing of Cassava Germ Plasm in Africa. Proceedings of an interdisciplinary workshop, Ibadan, Nigeria, 1975, ed. by E. R. Terry, and R. MacIntyre, 39–40. Ottawa, Canada: IDRC. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:150.]
Hahn, S. K. 1976. Improvement of cassava at the International Institute of Tropical Agriculture. The International Exchange and Testing of Cassava Germ Plasm in Africa. Proceedings of an interdisciplinary workshop, Ibadan, Nigeria, 1975, ed. by E. R. Terry, and R. MacIntyre, 21–22. Ottawa, Canada: IDRC. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:150–151.]
Hahn, S. K. 1978. Breeding cassava for resistance to bacterial blight. Pest Articles and News Summaries (PANS) 24:480–485. U. K.
Hahn, S. K. 1979. Breeding of cassava for resistance to diseases in Africa. Proceedings of the International Symposium on Diseases of Tropical Food Crops, Louvain-la-Neuve, Belgium. 316 pg.
Hahn, S. K. 1984. Utilization, production constraints and improvement potential of tropical root crops. Advancing agriculture production in Africa, ed. by D. L. Hawksworth. Slough, U. K.: CAB Farnham Royal.
Hahn, S. K., A. K. Howland, and C. A. Okoli. 1974. Breeding for resistance to cassava bacterial blight at ITTA. Proceedings of Workshop on Cassava Bacterial Blight in Nigeria, ed. by E. U. Okpala, and H. J. Glaser, 11–14. Umudike, Nigeria. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:108.]
Hahn, S. K., A. K. Howland, and E. R. Terry. 1973. Cassava breeding at IITA. Paper presented at the 3rd International Tropical Root Crops Symposium held at IITA.
Hahn, S. K., and A. K. Howland. 1972. Breeding for resistance to cassava mosaic. Proceedings of the 11th IDRC Cassava Mosaic Workshop, 37–39. IITA, Ibadan, Nigeria.
Hahn, S. K., and Janet Keyser. 1985. Cassava: A basic food of Africa. Outlook on Agriculture 14(2):95–99. [States that cassava leaves are consumed in some African cultures. Suggests the reason Africans who use cassava leaves as a vegetable prefer those affected by mosaic disease is that the cyanide content of the leaves is reduced. Provides an overview of the advantages and disadvantages of cassava, associated diseases and pests, and the degree of variability in the plant.]
Hahn, S. K., and R. J. Williams. 1973. Report to Commissaire d’Etat a l’Agriculture, Republic of Zaire. Ibadan, Nigeria: IITA. 12 pg. [Reports on cassava mealybug in Zaire.]
Hahn, S. K., E. R. Terry, K. Leuschner, and T. P. Singh. 1981. Tropical root crops: Research strategies for the 1980s, 25–28. Ottawa, Canada: International Development Research Centre, IDRC-163e. [States that the green spider mite in East Africa and mealy bugs in West Africa have recently caused great reductions in cassava yields.]
Hahn, S. K., E. R. Terry, K. Leuschner, I. O. Akobunda, C. O. Okali, and R. Lal. 1979. Cassava improvement in Africa. Field Crops Research 2:193–226. [Discusses the cassava breeding program at International Institute for Tropical Agriculture (IITA) in Nigeria. Discusses problems and constraints on cassava yield in Africa, including diseases, pests, weeds, soils, cultural practices and socio-economic factors.]
Hall, N. T., S. Nagy, and R. E. Berry. 1975. Leaves for food: Protein and amino acid contents of leaves from twenty-three tropical and subtropical plants. Proceedings of the Florida State Horticultural Society 88:486–490. [States that cassava leaves contain 32% protein and sufficient amino acids. Nutrition, Leaves.]
Halliday, D., A. H. Qureshi, and J. A. Broadbent. 1967. Investigations on the storage of gari. Annual Report Nigerian Stored Product Research Institute, Technical Report 16:131–141. [Claims that storage problems in the case of gari seem to be related mainly to moisture content. Postharvest.]
Hamid, K., and S. Jalaludin. 1972. The utilization of tapioca in rations for laying poultry. Malaysian Agricultural Research 1:48–53. [Reports the results of feeding cassava to chickens. Animal feed.]
Hampel, G. 1958. Bedeutung und mikroskopischer Nachweis von Tapiokawurzelmehl. Zeitschrift für Lebensmitteluntersuchung und-forschung 108:48–53. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:29. Cyanogenesis.]
Hansford, C. G. 1937. Annotated host list of Uganda parasitic fungi and plant diseases. Part II, Part III. East African Agricultural J. 2(6):79–84, 498–504. [Reports on a vascular wilt in Ghana caused by the fungus, Verticillium dahliae. Disease.]
Hanson, A. P. 1981. Plants of medicinal importance, a survey: An analysis of microbial infection. Unpublished ms. [Discusses herbal medicine in Liberia. States that cassava leaves are used for reducing the itching of measles and chickenpox. Leaves, Disease.]
Hansson, N., and S. Bengtsson. 1930. Zusammewsetzung und futterwer des tapiocawurzeln. Tierernahrung Leipzig. 1(4):367–387.
Harms, R. 1979. Fish and cassava: The changing equation. African Economic History 7:113–116. [Recounts the history of the role of fish and cassava in the diet of the people of the Zaire River basin. States that cassava leaves are consumed and contribute iron and vitamins to the diet.]
Harper, R. S. 1973. Cassava growing in Thailand. World Crops 25(2):94–97. London. [Notes that root size increases with the age of the plant and reaches a peak at about 15 months. Reports on cassava growing by region and Thailand’s role as a cassava exporting nation.]
Harris, D. R. 1976. Traditional systems of plant food production and the origins of agriculture in West Africa. Origins of African plant domestication, ed. by Jack R. Harlan, Jan M. J. De Wet, and Ann B. L. Stemler, 312–356. Paris: The Hague, Mouton. [Discusses different types of cropping systems in which cassava occurs in West Africa.]
Harris, N. V. 1978. The potential of cassava in coastal Queensland: Some observations at the Yandaran Plantation. Proceedings of the conference on Alcohol Fuels, Institution of Chemical Engineers, N. S. W. Group, 9–11 August 1978, Sydney, Australia.
Harris, R. S., and Hazel E. Munsell. 1950. Edible plants of Central America. J. of Home Economics, Oct. 1963. [Estimates vitamin and mineral content of fresh cassava leaves.]
Harris, W. V. 1937a. Annotated list of insects injurious to native food crops in Tanganyika. Bulletin of Entomological Research 28:483–488. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:132.]
Harris, W. V. 1937b. Annual report of the entomologist, 1936. Report of Department Agriculture Tanganyika, 88–94. [Reports that some varieties of locusts in Tanzania defoliate cassava when other vegetation is scarce but that new shoots are usually produced after the attack.]
Hart, R. 1974. The design and evaluation of a bean, corn and manioc polyculture cropping system for the humid tropics. Ph.D. dissertation. Gainesville, Fl.: Univ. of Florida. 158 pg. [Evaluates experiment at Turrialba, Costa Rica on succession polyculture cropping systems. Experiments were designed to allow an investigation of the characteristic properties of polyculture cropping systems by computer simulation.]
Hart, R. 1975a. A bean, corn and manioc polyculture cropping system. I. The effect of interspecific competition on crop yield. Turrialba, Costa Rica. 25:294–301. [Compares three cassava, maize, and bean intercropping systems to the three crops planted in monocultures.]
Hart, R. 1975b. A bean, corn and manioc polyculture cropping system. II. A comparison between the yield and economic return from monoculture and polyculture cropping system. Turrialba, Costa Rica. 25:377–384. [Compares three cassava, maize, and bean intercropping systems to the three crops planted in monocultures.]
Haynes, P. H., and M. Katuabanza. 1976. The technology of production and use of manioc in the environs of the INERA’s station at M’VUAZI - Bas-Zaire. IITA - Zairian Programme National Manioc.]
Headland, Thomas N. 1981. Taxonomic disagreement in a culturally salient domain: Botany versus utility in a Philippine negrito taxonomic system. M.A. thesis. Univ. of Hawaii. Ann Arbor: Univ. Microfilms International, 1318270. [Provides a folk classification which includes cassava. Points out that informants disagree in the life form categorization of cassava as either a herb or a tree. Provides evidence for two varieties of cassava.]
Hedin, L. 1942. Culture du manioc en Côte d’Ivoire, observations complementaires sur la mosaique. Revue Bot. Appl. et Agr. Tropical 11:558. [Written in French.]
Hegarty, P. V. J., and G. R. Wadsworth. 1968. The amount of iron in processed cassava, Manihot utilissima. J. of Tropical Medicine and Hygiene 71(1):51. [Examines the iron content from unprocessed roots and from cassava flour in Nigeria.]
Hegnauer, R. 1963. Chemotaxonomie der Pflanzen, eine Übersicht über die Verbreitung der Pflanzer-stoffe. Basel: Birkhauser. [Lists plants known to give off HCN.]
Heim, R. 1942. Le Phaeolus manihotis sp. nov., parasite du manioc a Madagascar, et considérations sur le genre Phoeolus. Path. Ann. de Cryptog. Exot. 4:1750–1789. [Written in French.]
Hellendoorn, E. W., M. G. Noordhoff, and J. Slagman. 1975. Enzymatic determination of the indigestible residue (dietary fibre) content of human food. J. of the Science of Food and Agriculture 26(10/12):1461–1468. [Claims that the discrepancy between crude fiber and values for indigestible residue is great in cassava leaves.]
Henain, A. E., and H. M. Cenoz. 1969. Bibliography on cassava. Corrientes, Argentina: Univ. Nacional Nordeste, Fac. Agron. and Vet.
Hendershott, C. H. 1972a. Summary and recommended research programs. A literature review and research recommendations on cassava, Manihot esculenta, Crantz, ed. by C. H. Hendershott, et al., 255–268. Athens, Ga.: Univ. of Georgia. [Provides an overview of the research recommendations from each of the previous nine chapters of this book. Summarizes the salient points found throughout the book.]
Hendershott, C. H. 1972b. Preface. A literature review and research recommendations on cassava, Manihot esculenta, Crantz, ed. by C. H. Hendershott, et al., i–v. Athens, Ga.: Univ. of Georgia. [Summarizes the purpose of this volume.]
Hendershott, C. H., H. W. Garren, E. E. Brown, R. Yver, J. C. Ayres, and T. Pereira. 1971. A feasibility study of manioc production in N.E. Brazil. Athens, Ga.: Univ. of Ga. [Calculates per hectare cost of cassava production in Brazil.]
Hendershott, C. H., J. C. Ayres, S. J. Brannen, A. H. Dempsey, P. S. Lehman, F. C. Obioha, D. J. Rogers, R. W. Seerly, and K. H. Tan. 1972. A literature review and research recommendations on cassava, Manihot esculenta, Crantz. Agency for International Development (AID) Contract csd/2497. Athens, Ga.: Univ. of Georgia. [Estimates that cassava contributes 8–10 percent of the daily global calorie needs of man. A compilation of information about cassava and related research. Examines the limitations and potential of cassava as food and feed crop and suggests areas of research need.]
Hennessey, R., and T. P. Singh. 1981. IITA Annual report. Ibadan, Nigeria: IITA. 68 pg. [Reports on a form of resistance to the cassava mealybug.]
Henry, O. 1834. Notes sur le manioc amer et essais analytiques sur le suc de sa racine. J. de Pharmacie 20:622–630. [Associated the bitterness of cassava and manihotoxin with HCN. Written in French.]
Henry, O., and A. F. Boutron-Charland. 1836. Recherches sur le principe veneneux du manioc amer. Mem. Acad. Med. 5:212–220. Paris. [Associated toxicity with the presence of hydrocyanic acid (HCN). Written in French.]
Herath, H. M. P. 1979. A clamp to store cassava roots. Appropriate Technology 5:10.
Hermann, L. S. E. 1968. Bibliografia da mandioca. Boletim 182, Instituto Agronômico, Campinas, São Paulo, Brasil. 243 pg. [Written in Portugese.]
Hernaez, Alfredo. 1954. The root crops in the Philippines with special reference to cassava and camote. Philippine J. of Agriculture 79:41–57. [Includes the following indigenous names for cassava: kamotung, kahoy, kamoteng moro, and balinghoy. Suggests that cassava, which was introduced by the Spanish, came from Mexico. Includes a list of varieties found in the Philippines.]
Herny, G. 1971. Les nematodes phytoparasites associés à quelques plantes à tubercules de l’Ouest Africain. Dakar, Senegal: Office de la Recherche Scientifique et Technique d’Outre Mer. 8 pg. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:130. Written in French.]
Hersh, G. N., D. J. Rogers, and S. G. Appan. 1970. A systems approach for studying nutrient synthesis and transfer in tropical areas. Proceedings of the 2nd International Symposium on Tropical Root and Tuber Crops 2. [Discusses methods used to compensate for the low protein content of cassava roots.]
Heseltine, N. 1973. The ecological basis of agriculture in Madagascar. World Crops 25(1):34–40. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:65.]
Hew, V. F., and R. I. Hutagalung. 1972. The utilization of tapioca root meal, Manihot utilissima, in swine feeding. Malaysian Agricultural Research 1:124–130. [Claim that feed intake in swine decreases as the cassava level of the ration increases.]
Hill, D. C. 1973. Chronic cyanide toxicity in domestic animals. Proceedings of an interdisciplinary workshop on chronic cassava toxicity, London, England, 29–30 January 1973, ed. by B. Nestel, and R. MacIntyre, 105–111. Ottawa, Canada: International Development Research Centre, IDRC-010e. 163 pg. [States that chronic toxicity from continuous intake of low levels of cyanogenic plant material, including cassava, has not been clearly identified. Reports the results of feeding experiments with cyanogenic species.]
Himwich, W. A., and J. P. Saunders. 1948. Enzymatic conversion of cyanide to thiocyanate. American J. of Physiology 153:348–354. [Describes the role of rhodanese in the detoxification of cyanide.]
Hirose, S. 1979. Cassava - From cultivation to utilization. Kokusai-Noringyo-Kyoryoku-Kyokai, 87–91. Chiyoda-ku, Tokyo: Association for International Cooperation of Agriculture and Forestry. [Discusses microbial deterioration of cassava roots caused by infection by microorganisms. Written in Japanese.]
Hirose, S., and E. S. Data. 1982. Physiology of postharvest deterioration of cassava roots. Bio-resources investigation on production, storage, processing, and vegetation of root crops in the tropics - 1981-Interim Report, ed. by I. Uritani, and E. D. Reyes, 1–21. Nagoya, Japan: Nagoya Univ. Coop. [Discusses the problem of postharvest deterioration of cassava roots.]
Hirose, S., and E. S. Data. 1984. Physiology of postharvest deterioration of cassava roots. Tropical root crops: Postharvest physiology and processing, ed. by I. Uritani, and E. D. Reyes, 37–51. Tokyo: Japan Scientific Societies Press. [Examines the process of root deterioration, especially vascular streaking and microbial deterioration, and the relation between the deterioration process and the environment. Examines several different cassava cultivars.]
Hirose, S., E. S. Data, and E. Maturan. 1984. Relation of respiration and ethylene production to postharvest deterioration in cassava roots from pruned and unpruned plants. Tropical root crops: Postharvest physiology and processing, ed. by I. Uritani, and E. D. Reyes, 99–107. Tokyo: Japan Scientific Societies Press. [Reports the results of experiments conducted to compare changes in the respiratory rate and ethylene production in roots or tissue blocks from pruned and unpruned cassava plants.]
Hirose, S., E. S. Data, and I. Uritani. 1983a. Relation between ethylene production and postharvest deterioration in cassava roots. Abstracts of papers, 222–223. 176th Meeting of the Crop Science Society of Japan, Tokyo, Oct. 1983.
Hirose, S., E. S. Data, and I. Uritani. 1983b. Some observations on postharvest deteriorations of cassava roots. Japanese J. of Tropical Agriculture 27:149–157.
Hirose, S., E. S. Data, and M. A. Quevedo. 1984. Changes in respiration and ethylene production in cassava roots in relation to postharvest deterioration. Tropical root crops: Postharvest physiology and processing, ed. by I. Uritani, and E. D. Reyes, 83–98. Tokyo: Japan Scientific Societies Press. [Reports the results of experiments conducted to examine changes in respiration and ethylene production in cassava root pieces or slices and to elucidate the effects of endogenous and exogenous ethylene on physiological deterioration. Deals mainly with physiological factors affecting postharvest deterioration.]
Hirose, S., E. S. Data, E. Maturan, and V. Torre. 1982. Physiological study on postharvest deterioration of cassava roots. Research and investigation on storage and processing of tropical root crops, 12–13. Tokyo: Report of NODAI Research Institute, Tokyo Univ. of Agriculture. [Concludes that roots from pruned cassava always deteriorated more slowly than those from unpruned plants.]
Hirose, S., E. S. Data, M. A. Quevedo, and I. Uritani. 1984. Relation between respiration and postharvest deterioration in cassava roots. Japan J. of Crop Science 53.
Hirose, S., E. S. Data, T. Taniguchi, and I. Uritani. 1982. Studies on postharvest deterioration and storage in cassava roots. Abstracts of papers, 59–60. 173rd Meeting of the Crop Science Society of Japan, Tokyo, April 1982. [Discusses the problem of postharvest deterioration of cassava roots.]
Hirose, S., E. S. Data, Y. Tanaka, and I. Uritani. 1984. Physiological deterioration and ethylene production in cassava roots after harvest, in relation with pruning treatment. Japan J. of Crop Sci. 53.
Hirose, S., M. A. Quevedo, E. S. Data, and I. Uritani. 1983. Changes of respiration rate and postharvest deterioration in cassava roots. Abstracts of papers, 67–68. 175th Meeting of the Crop Science Society of Japan, Tokyo, April 1983. [Discusses the changes in respiratory rate and ethylene production of cassava root pieces and slices after harvest.]
Hirose, S., Y. Tanaka, I. Uritani, and E. S. Data. 1984. Relation of respiration and ethylene production to postharvest deterioration in cassava roots from pruned and unpruned plants. Abstracts of papers, 177. Meeting of the Crop Society of Japan, Fujisawa, April 1984.
Hoffman, A. S. 1973. Paper presented at the 3rd International Symposium on Tropical Root Crops, 2–9 Dec. 1973. [Reports on cassava yield in Peru.]
Hofstee, J. 1953. Die Unterschiede in den Eigenschaften vershiedener Stärken un ihre Deutung. Stärke 4/5:83–86. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:216. Written in German.]
Hohnholz, J. H. 1980. Manioc cultivation in southeast Asia. An agricultural geographical survey. Applied Geography and Development 16:117–135. [Examines the importance of cassava in Thailand, Indonesia and Malaysia.]
Holle, M. 1976. Department of Crops and Soils, Centro Agronómico Tropical de Investigación y Enseñanza, Turrialba, Costa Rica. Unpublished ms. [Compares four cropping systems with cassava, maize, and snap beans.]
Holleman, L. W. J. 1950. Java tapioca, its manufacture, grading and use. Publication 22 of the Organization for Scientific Research. Jakarta, Indonesia.
Holleman, L. W. J. 1955. New methods for quality research on tapioca. Et. d’Outre-Mer (March 1955), 97–108.
Holleman, L. W. J. 1964. Report to the government of the Dominican Republic on a survey on cassava production and processing 26:8. Rome: FAO.
Holleman, L. W. J., and A. Aten. 1956. Processing of cassava and cassava products in rural industries. Agr. Development Paper 54. Rome, Italy: FAO. 115 pg. [Suggests that high cyanide content may be advantageous since it deters stealing of the fresh roots from the field. Briefly describes the anatomy of the tuberous roots. Discusses gaplek in Indonesia. Provides an analysis of several cassava varieties which includes percentages of dry matter, starch and cyanide. Describes root washers used in starch manufacture.]
Hone, Agnus. 1973. Tapioca: A case study of India with particular reference to Kerala. Cassava utilization and potential markets, 107–125. Ottawa, Canada: IDRC. IDRC-020e. [States that April-May plantings produce the best results in terms of yield and starch content. Reports that cassava in Kerala is affected by two important diseases: cassava mosaic and cercospora leaf spot. Claims that leaves are not eaten in Kerala.]
Hood, L. F., and V. G. Arneson. 1976. In vitro digestibility of hydroxypropyl distarch phosphate and unmodified tapioca starch. Cereal Chemistry 53(2):282–290. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:216.]
Hoopes, R. W. 1976. Cassava as a food resource in Brazil. Ithaca, New York: Cornell Univ., Department of Agricultural Economics. 76(18). 37 pg. [Examines prospects for improved production methods, storage, and utilization.]
Host list of fungi, etc., recorded in the Southeast Asia and Pacific region. Colocasia antiquorium-Taron dioscorea sp-yam, Manihot utilissima-cassava. 1963. Technical Document FAO Plant Protection Committee South East Asia 33, part 1.
Houston, R. G. 1973. Sickle cell anemia and dietary precursors of cyanate. American J. of Clinical Nutrition 26:1261–1264. [Reports a reciprocal correlation between the incidence of sickle cell anemia and the thiocyanate yield of African and American diets. Points out that cassava is the richest known food source for thiocyanate.]
Houston, R. G. 1974. Dietary nitriloside and sickle cell anemia in Africa. American J. of Clinical Nutrition 27(8):766–769. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:186.]
Howard, S. M. 1969. Information on cassava research in Liberia. U.S. Aid Mission to Liberia.
Howeler, R. H. 1976. Requerimiento de elementos secundarios y elementos menores en yuca. Curso sobre producción de yuca, 163–170. Cali, Colombia: CIAT. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:65. Written in Spanish.]
Howeler, R. H. 1978a. The mineral nutrition and fertilization of cassava. Cassava production course, compiled by C. Dominguez, 247–292. Cali, Colombia: CIAT.
Howeler, R. H. 1978b. The mineral nutrition and fertilization of cassava. Cassava production course, 247–292. Cali, Colombia: International Centre of Tropical Agriculture (CIAT). [Discusses changes in mineral nutrients due to cassava.]
Howeler, R. H. 1980a. Soil related cultural practices for cassava.Proceedings of a workshop on cassava cultural practices, held at Bahia, Brazil, ed. by Weber, Torro, and Graham, 59–69. Ottawa, Canada: IDRC. IDRC-151e.
Howeler, R. H. 1980b. El efecto de la inoculación con micorrizas sobre la nutrición fosfórica de la yuca. Cali, Colombia: CIAT. Series SE-3-80. 26 pg. [Written in Spanish.]
Howeler, R. H., L. F. Cadavid, and F. A. Calvo. 1977. The interaction of lime with minor elements and phosphorus in cassava production. 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, 113–117. Ottawa, Canada: IRDC. IDRC-080e.
Howie, C. W. 1930. Two experiments on tapioca meal as food for pigs. J. of the Ministry of Agriculture 57:885–890. [Points out the value of cassava in swine diets.]
Howland, A. K. 1975. A rapid multiplication technique. The International Exchange and Testing of Cassava Germ Plasm in Africa. Proceedings of an interdisciplinary workshop, Ibadan, Nigeria, 1975, ed. by E. R. Terry, and R. MacIntyre, 41–44. Ottawa, Canada: IDRC. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:86–87.]
Hrishi, N. 1974. Problems and prospects in cassava production in India. Proceedings of an interdisciplinary workshop on cassava processing and storage, Pattaya, Thailand, 17–19 April 1974, ed. by E. V. Araullo, B. Nestel, and M. Campbell, 59–62. Ottawa, Canada: International Development Research Centre, IDRC-031e. [Outlines problems in the cassava cultivation in India and suggests possibilities for increasing production.]
Hrishi, N. 1976. India (cassava germplasm). 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, 21–22. Ottawa, Canada: IDRC. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:151.]
Hrishi, N., and J. S. Jos. 1973. Breeding for protein enhancement in cassava. Paper presented at the 3rd International Symposium on Tropical Root Crops, 2–9 Dec. 1973. [Discusses the use of radiation or mutagenic agents to increase cassava plant-breeding in India. Reports on efforts to enhance the protein level of the crop through the production of induced tetraploids.]
Hsu, K. S., and J. Valerio. 1966a. Preliminary observation on meiotic chromosome pairing in Manihot esculenta. The application of nuclear energy to agriculture, ed. by C. C. Moh, 20–22. Turrialba, Costa Rica: Inter-American Institute of Agricultural Science. [Investigates cytological abnormalities of some cassava cultivars with the aim of determining the advantageous effects of cytological aberrations.]
Hsu, K. S., and J. Valerio. 1966b. Relationship of radiation-induced chromosomal aberations and somatic mutations in Manihot esculenta. The application of nuclear energy to agriculture, ed. by C. C. Moh, 23–24. Turrialba, Costa Rica: Inter-American Institute of Agricultural Science. [Investigates cytological abnormalities of some cassava cultivars with the aim of determining the advantageous effects of cytological aberrations.]
Huertas, A. S. 1940. A study of the yield of cassava as affected by age of cuttings. Philippine Agr. 28(9):762–770. [Examines the affects of cutting material on root-yield and starch-yield.]
Hughes, Griffith. 1750. The natural history of Barbados. New York: Arno Press. (Reprinted 1972.) [Refers to two species of cassava, bitter and sweet. Points out the toxic effect of the juice obtained from cassava, 150.]
Hughes, Monica A. 1973. The genetics of cyanogenesis. Proceedings of an interdisciplinary workshop on chronic cassava toxicity, London, England, 29–30 January 1973, ed. by B. Nestel, and R. MacIntyre, 49–54. Ottawa, Canada: International Development Research Centre, IDRC-010e. 163 pg. [Asserts that all cyanogenic plant species show variation in the amount of hydrocyanic acid (HCN) produced. Shows that part of the variation is genetically controlled.]
Hunt, L. A. 1975. Environmental physiology of cassava; research proposal to IDRC from the University of Guelph. Ontario: Univ. of Guelph. 13 pg. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:12–13.]
Hunt, L. A., D. W. Wholey, and J. H. Cock. 1974. Stem and leaf parameters in same cassava, Manihot esculenta, Crantz, cultivars. Guelph, Canada: Univ. of Guelph, Department of Crop Science. 16 pg. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:13.]
Hunt, L. A., D. W. Wholey, and J. H. Cock. 1977. Growth and physiology of cassava, Manihot esculenta, Crantz. Field Crop Abstract 30(2):77–91.]
Hunt, L. A., J. D. Mahon, and S. B. Lowe. 1975. Growth rooms - tools for cassava research. Tropical Root and Tuber Crops Newsletter 8:15–19. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:13.]
Hutagalung, R. I. 1977. Additives other than methionine in cassava diets. Ottawa, Canada: IDRC. IDRC-095e, 9–17.
Hutagalung, R. I., and C. C. Chang. 1977. Effects of cassava leaves’ supplementation on performance, egg quality, and yolk cholesterol content of laying hens. Malay Applied Biology 6:31–38.
Hutagalung, R. I., et al. 1975. Evaluation of agricultural products and by-products as animal feeds. IV. The value of processed oil palm sludge for chicks. Malaysian Agricultural Research Bulletin 4(1):53–60. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:197.]
Ibe, D.G. 1979. Semi-mechanical gari processing for rural communities in Nigeria.
Igarashi, O., H. Fukuba, and E. M. T. Mendoza. 1983. Influences of cooking methods for the detoxification of cyanogenic glucosides contained in cassava roots. Abstracts of papers, 133. Annual Meeting of the Japanese Society of Nutrition and Food Science, Osaka, May 1983.
Igbeka, J. C. 1976. Moisture movement and equilibria in the dehydration of cassava and white potato. Ph.D. dissertation. Columbus, Ohio: Ohio State Univ.
Ikediobi, C. O., G. O. C. Onyia, and C. E. Eluwah. 1980. A rapid and inexpensive assay for total cyanide in cassava, Manihot esculenta, Crantz, and cassava products. Agricultural and Biological Chemistry 44(12):2803–2809. [Describes a method for determining cyanide levels based on the development of yellowish coloration with alkaline picrate.]
Imam, M. M. 1972. Ghana J. of Science 12:19. [Reports on the use of colchicine to induce polyploidy in order to increase cassava yields.]
Imports for 1968–1972. 1973. Central Bank of the Philippines, Economic Research Department. [Provides data on the imports of cassava starch.]
Imtiaz, B., W. Sudrianta, and W. Sudana. 1977. Preliminary results of cropping systems research at Lampung, 1976–1977. Report of the Cropping Systems Working Group. Sixth Cropping Systems Working Group Meeting, sponsored by the Department of Agriculture of Sri Lanka and the International Rice Research Institute, Sri Lanka, 13–17 December. [Discusses the growing period of cassava in Lampung.]
Inactivation of viruses, mycoplasma, bacteria and other organisms by heat and other treatments in cassava cuttings. 1971. Palmira, Colombia: CIAT. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:106.]
Indian Standards Institution. 1959. Specification for tapioca flour for animal feed, IS: 1510–1959; Specification for tapioca chips for animal feed, IS: 1509–1959. New Delhi: Indian Standards Institution. [Provides standards for cassava-based animal feed products.]
Indira, P., and J. K. Sinha. 1969a. Colorimetric method for determination of HCN in tubers and leaves of cassava, Manihot esculenta, Crantz. Indian J. of Agricultural Science 39(11):1021–1023. [Report on a rapid cyanide determination based on the colorimetry of picrate paper reaction.]
Indira, P., and S. K. Sinha. 1969b. Studies on tuber initiation and development in Manihot esculenta, Crantz. Preprint of abstract presented at the Plant Physiology Seminar. Proceedings of the Indian Scientific Congress, Bombay, India. [Claims that tuber development is affected by different durations of illuminations, the starch deposition is unaffected.]
Indira, P., and S. K. Sinha. 1970. Studies on the initiation and development of tubers in Manihot esculenta, Crantz. Indian J. of Plant Physiology 13:24–39. [Examines growth and tuberization of cassava.]
Indira, P., and T. Kurian. 1973. Paper presented at the 3rd International Symposium on Tropical Root Crops, 2–9 Dec. 1973. [Examines growth and tuberization of cassava.]
Infanger, C. n.d. Obtenga mayor utilidad alimentando sus cerdas con yuca. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:197. Written in Spanish.]
Ingram, J. S. 1969. Tropical Products Institute Report G51. London: Tropical Products Institute. [Provides a bibliography on cassava.]
Ingram, J. S. 1972. Cassava processing: Commercially available machinery. Tropical Products Institute Report G75. London: Tropical Products Institute. [Provides a list of commercially available processing equipment.]
Ingram, J. S. 1975. Standards, specifications and quality requirements for processed cassava products. Tropical Products Institute Report G102. London: Tropical Products Institute. [Summarizes information available on existing standards for processed cassava products and discusses quality parameters.]
Ingram, J. S., and J. R. O. Humphries. 1972. Cassava storage—a review. Tropical Science 14(2):131–148. [Provides information that fresh cassava deteriorates extremely rapidly after harvest and processing must be undertaken within at most a day or two. Recounts traditional methods of root storage. Points out that since cassava is left in the ground for storage purposes, this results in the wasteful occupation of agricultural land.]
Instituto Agronômico e a semente seleccionada. 1964. Agronômico 16(9/10):1–29. Brazil. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:152. Written in Portuguese.]
International Institute for Tropical Agriculture (IITA). 1972. Proceedings of IDRC/IITA Cassava Mosaic Workshop, Dec. 1972. Ibadan, Nigeria: IITA. [Reviews the role of mosaic disease in cassava.]
International Institute for Tropical Agriculture (IITA). 1974. IITA Letter 4:2, March. Ibadan, Nigeria: IITA. [Reports on crossbreeding with a cassava line that exhibits a high degree of resistance to African cassava mosaic.]
International Institute for Tropical Agriculture (IITA). 1982. Tropical root crops program. Annual report 1981. Ibadan, Nigeria: IITA. [Summarizes the research of the institute and discusses several topics related to cassava.]
Irvine, F. R. 1969. Cassava, Manihot utilissima, Pohl. West African Agriculture, 3rd ed. West African Crops 2:153–159. London: Oxford Univ. Press. [Reports that susceptibility to loss increases by allowing roots to remain too long in the ground.]
Isalbao, N., and R. R. Peixoto. 1971. Mandioca como sucedâneo do milho em ração inicial para frangos de corte. Boletim Técnico 6. Pelotas, Brasil: Univ. Federal de Pelotas, Facultade de Agronomía, Departamento de Zootecnia. 15 pg. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:198. Written in Portuguese.]
Ismail, Inu G., and Hs. Suprapto. 1977. Preliminary results of cropping systems research in transmigration areas in the southern part of Sumatra, South Sumatra and Lampung, 1976/1977. Report of the Cropping Systems Working Group. Sixth Cropping Systems Working Group Meeting, sponsored by the Department of Agriculture of Sri Lanka and the International Rice Research Institute, Sri Lanka, 13–17 December. [Demonstrates the benefits of cassava intercropping.]
Iukuda, W. M. C., R. A. Mendes, and S. de Silva. 1981. Resistance of cassava to post harvest deterioration. Anais 10 Congresso Brasileira de Mandioca 1:547–558.
Iwatsuki, N., M. Kojima, E. S. Data, and C. D. V. Villegas-Godoy. 1984. Changes in cyanide content and linamarase activity in cassava roots after harvest. Tropical root crops: Postharvest physiology and processing, ed. by I. Uritani, and E. D. Reyes, 151–161. Tokyo: Japan Scientific Societies Press. [Investigates changes in cyanide content and linamarase activity in various root tissues of cassava in relation to storage and physiological and microbial deterioration.]
Jackson, L. C. 1986. Sociocultural and ethnohistorical influences on genetic diversity in Liberia. American Anthropologist 88:825–844. [States that the dietary staple (including cassava) is an important sociocultural variable which influences mating and nonrandom gene flow in West Africa. Suggests that populations with cassava as their main staple have a lower incidence of sickle cell trait. Points out that cassava contains dietary precursors of cyanates which may interact with hemoglobin S, red cell G6PD, and other important body proteins.]
Jackson, L. C. 1986. Hyperglycemia and chronic exposure to sublethal dietary cyanide: Does regular cassava eating predispose to diabetes? Paper presented at 55th Annual Meeting of the American Association of Physical Anthropologists, Albuquerque, N.M., 9–12 April 1986. [Suggests that dietary cyanide derived from cassava products may influence glucostatic function and play a major role in the etiology of some forms of diabetes in the tropics.]
Jackson, L. C., E. F. Bloch, R. T. Jackson, J. P. Chandler, Y. L. Kim, and F. Malveaux. 1985. Influence of dietary cyanide on immunoglobulin and thiocyanate levels in the serum of Liberian adults. J. of the National Medical Association 77(10):777–782. [Identifies four different levels of daily dietary cyanide intake.]
Jackson, L. C., J. P. Chandler, and R. T. Jackson. 1986. Inhibition and adaptation of red cell glucose-6-phosphate dehydrogenase (G6PD) in vivo to chronic sublethal dietary cyanide in an animal model. Human Biology 58(1):67–77. [Reports on the ability of Liberian dietary levels of cyanide to phenotypically modify in vivo red cell G6PD enzyme activity in swine. Suggests that daily dietary intake of 1.2 mg cyanide/kg body weight can inhibit red cell G6PD activity. Concludes that dietary pattern should be taken into consideration in the evaluation of human red cell G6PD status, especially if cassava is included in the diet.]
Jacob, A., and H. Von Uexkull. 1966. Fertilización de los cultivos tropicales y subtropicales; yuca o mandioca. Fertilización, ed. by Hanover, Kali, and Salz, 153–159. [Reports on response of cassava to fertilizer. Written in Spanish.]
Jacoby, T. 1965. Nutrition and manuring of root crops. Verlagsgesellschaft für Ackerbau, Mbh, Hannover, Green Bulletin 19:9–16. [Reports that highest yields were obtained via fertilization with potassium, nitrogen and phosphate.]
Jadot, J., and G. Maghuin-Rogister. 1968. A new disaccharide extracted from manioc flour. I. Establishment of the structural formula. Bul. Soc. Chem. Belg. 77:569–574. [Discusses the disaccharide - maniocose.]
Jalaludin, S., and O. S. Yin. 1972. Hydrocyanic acid (HCN) tolerance of the hen. Malaysian Agricultural Research 1:77. [Reports the results of feeding cassava to chickens.]
Jalaludin, S., and S. K. Leong. 1973. Response of laying hens to low and high levels of tapioca meal. Malaysian Agricultural Research 2(1):47–51. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:198.]
Jameson, J. D. 1964. Cassava mosaic diseases in Uganda. East African Agricultural J. 29:208–213. [Notes that in East Africa in times of drought or food scarcity, the incidence of mosaic disease increases since people eat the best of the crop and use the poorer remnants for propagation.]
Jamieson, B. G. M. 1967. Tropical plant types. New York: Pergamon Press.
Janssen, W., and B. Ospina. 1982. Estudio de factibilidad económica para plantas de secado natural de yuca en la Costa Atlántica de Colombia. Proyecto Cooperativo DRI/ACDI-CIAT. Plan piloto para el desarrollo agro-industrial del cultivo de la yuca en algunos departamentos de la Costa Norte de Colombia. Primer Informe, Noviembre 1981–Junio 1982. Cali, Colombia: CIAT. 16 pg. [Reports the results of an economic feasibility study on the establishment of cassava drying plants on the Atlantic Coast of Colombia. Written in Spanish.]
Janssen, W., and C. C. Wheatley. 1985. Urban cassava markets: The impact of fresh root storage. Food Policy 10(3):265–277. Butterworth and Co. Ltd. [Explains the decline in cassava consumption in urban Colombia in terms of the marketing channel and consumer preferences. The principal factor limiting market volume is postharvest deterioration. Evaluates storage techniques for overcoming this problem.]
Jansz, E. R., and C. Nethsingha. 1978. Manioc: Selected topics. J. of the National Science Council of Sri Lanka 1:83–96. [Concludes that the amount of linamarase enzyme present in cassava is not sufficient for complete hydrolysis.]
Jansz, E. R., E. E. Jeyaraj, N. Pieris, and D. J. Abeyratne. 1974. Cyanide liberation from linamarin. J. of the National Science Council of Sri Lanka 2:57–65. [Reports the ratio of linamarin to lotaustralin in cassava is 97:3.]
Jansz, E. R., N. Pieris, E. E. Jeyaraj, and D. J. Abeyratne. 1974. Cyanogenic glucoside content of manioc. II. Detoxification of manioc chips and flour. J. of the National Science Council of Sri Lanka 2:129–34. [Points out that cassava flour prepared by sun drying may contain large quantities of cyanogenic glucosides.]
Jardin, C. I. 1968. Composition des aliments et pourcentage d’humidité. Annales de la nutrition et de l’alimentation 22(5):329–333. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:29–30. Written in French.]
Jarmai, Susan. 1968. A new fast method for the production of kokonte. Ghana J. of Agricultural Science 1(1):59–63.
Jayasena, H. 1963. Meals for the millions and multipurpose food. Colombo, Sri Lanka. Unpublished ms.
Jeffers, H. F., and P. H. Haynes. 1967. A preliminary study of the nutritive value of some dehydrated tropical roots. Proceedings of the International Symposium on Tropical Root Crops 2(6):72–77. St. Augustine, Trinidad: Univ. of the West Indies. [Claims that cassava produced satisfactory growth and performance of rats at levels up to 20 percent of the diet.]
Jennings, D. L. 1957. Further studies in breeding cassava for virus resistance. East African Agricultural and Forestry J. 22(4):213–219. [Deals with screening of cultivar collections and breeding for mosaic virus resistance in Africa. States that roots of the progeny of M. esculenta x M. melanobasis possessed about twice as much protein as their cassava parent.]
Jennings, D. L. 1959. Manihot melanobasis, Mull. Arg. - a useful parent for cassava breeding. Euphytica 8:157,162. [Reports that in East Africa Manihot melanobasis contributed factors which enhanced the fertility of its hybrids with cassava and five local varieties which included the local variety, Katoto.]
Jennings, D. L. 1960a. Observations on virus diseases of cassava in resistant and susceptible varieties. I. Mosaic disease. Emp. J. of Experimental Agriculture 28:23–34. [Points out the effect of mosaic virus on cassava yield.]
Jennings, D. L. 1960b. Observations on virus diseases of cassava in resistant and susceptible varieties. II. Brown streak disease. Emp. J. of Experimental Agriculture 28:111, 261–270. [Discusses the virus disease known as brown streak which occurs only on the east coast of Africa.]
Jennings, D. L. 1963. Variation in pollen and ovule fertility in varieties of cassava and the effect of interspecific crossing on fertility. Euphytica 12(1):69–76. [Suggests that Manihot esculenta is an allopolyploid. Reports that variations in pollen fertility do not correlate with variations in ovule fertility. Claims that farmers in East Africa have evolved new varieties of cassava by propagating from self-sown brown streak virus-free seedlings.]
Jennings, D. L. 1970a. Cassava in Africa. Field Crop Abstracts 23:271–278. [Reports that cassava is one of the few crops that is free from the migratory African locust, Locusta migratoria migratorioides. Discusses brown streak virus and mosaic virus and their effect on yield.]
Jennings, D. L. 1970b. Cassava in East Africa. Proceedings of the 2nd International Symposium on Tropical Root and Tuber Crops. Tropical root and tuber crops of tomorrow 1:53–58. Honolulu, Hawaii: College of Tropical Agriculture. [States that cassava mosaic virus is found in almost all the countries of Africa where cassava is grown. Claims that the protein in cassava roots tends to be concentrated in the outer zones of the root.]
Jennings, D. L. 1972. Breeding for resistance to cassava virus in East Africa. Proceedings of a Cassava Mosaic Workshop. 1972, 40–42. Ibadan, Nigeria: IITA. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:153.]
Jennings, D. L. 1976. Cassava, Manihot esculenta (Euphorbiaceae). Evolution of crop plants, ed. by N. W. Simmonds, 81–84. London: Longman.
Jeyaseelan, K. N. 1951. Studies in growth and yield of cassava. I. Yield in relation to size and type of set. Tropical Agriculturalist 108(3):168–171. Ceylon. [Points out that length and quality of planting material influence yields.]
Jiminez Lacharme, F. 1967. Estudio de absorción de nutrimientos en un agrosistema de producción de frijol, Phaseolus vulgaris L., maíz, Zea mays L., y yuca, Manihot esculenta, Crantz. M.S. thesis. Turrialba, Costa Rica: Instituto Interamericano de Ciencias Agrícolas. [Written in Spanish.]
Joachim, A. W. R., and D. G. Pandittesekere. 1944. Investigations on the hydrocyanic acid content of manioc, Manihot utilissima. Tropical Agriculturalist 100:150–163. Colombo, Ceylon. [Discusses the range of cyanogen content in the edible tubers of 46 varieties of cassava in Sri Lanka. States that linamrase decomposes at 72oC.]
Johnson, Allen. 1980. The limits of formalism in agricultural decision research. Agricultural decision making: Anthropological contributions to rural development, ed. by Peggy F. Barlett, 19–43. New York: Academic Press. [Points out that cassava is the food staple among the Machiguenga of Peru. Discusses the use of formalist and holistic-qualitative approaches in agricultural research.]
Johnson, R. M., and W. D. Raymond. 1965. The chemical composition of some tropical food plants. IV. Manioc. Tropical Science 7(3):109–115. [Discusses the range of cyanogenetic content in the edible tubers. Reviews earlier work on the occurrence of linamarin in cassava. Examines the chemical composition of the plant.]
Johnston, A., ed. 1963. Quarterly report for April-June 1963, of the Plant Protection Committee for the Southeast Asia and Pacific region. Bangkok, Thailand: FAO Publication. [Reports that white thread, a disease caused by the fungus, Fomes lignosus, occurs in Thailand. This disease causes root rot of cassava in the field.]
Johnston, B. F. 1956. Staple food crops in West Africa and the Congo. Tropical Agriculture 33(3):214–220. Trinidad. [Discusses the nutritional values of cassava. Illustrates the distribution of cassava in the Congo.]
Johnston, B. F. 1958. The staple food economies of western tropical Africa. Food Research Institute Studies in Tropical Development, Stanford Univ. [Points out the difficulty in comparing production requirements, output and other data from different regions. Reports on the labor requirement in the Belgian Congo forest zone for stick preparation, planting, weeding and harvesting cassava.]
Johnston, B. F., and H. Kaneda. 1960. Urban expenditure patterns in tropical Africa. Food Research Institute Studies in Tropical Development 2(3):229–275, Stanford Univ. [Points out the difficulty in comparing production requirements, output and other data from different regions. Reports on the labor requirement in the Belgian Congo forest zone for stick preparation, planting, weeding and harvesting cassava. Provides data on calorie intake from cassava in Ghana.]
Joly, R. L. 1931. Les conséquences de la mosaïque du manioc. Revue de Bot. Appliquée et d’Agr. Trop. 11(114):99–104. [Written in French.]
Jones, D. A. 1972. Cyanogenic glycosides and their function. Phytochemical ecology, ed. by J. B. Harborne, 103–124. London: Academic Press. [Discusses the extent to which liberation of HCN represents a defense mechanism against insects and parasitic organisms.]
Jones, T. 1984. Postharvest problems in the tropics. Advancing agriculture production in Africa, ed. by D. L. Hawksworth. Slough, U. K.: CAB Farnham Royal.
Jones, W. O. 1957. Manioc, an example of innovation in African economies. Economic Development and Cultural Change 5(2):97–117.
Jones, W. O. 1959. Manioc in Africa. Stanford: Stanford Univ. Press. [Points out that cassava is well adopted to a wide range of ecological conditions. Reviews work on the occurrence of linamarin in cassava. Suggests that some of the African techniques for processing cassava may derive from indigenous techniques for processing toxic yams. Suggests that cassava was probably introduced to countries bordering the Indian Ocean (India, Sri Lanka, Malaysia, Indonesia) during the 18th century. States that HCN varies with growing conditions, soils, moisture, temperature, altitude, and age of plant. Claims that HCN content is higher in less favorable growing conditions. Discusses storage problems.]
Jones, W. O. 1960. Economic man in Africa. Food Research Inst. Studies, Stanford Univ. 1(2):107–134. [Describes how production systems can be improved.]
Jones, W. O. 1967. Starchy roots in the dietaries of developing tropical countries. Proceedings of an International Symposium on Tropical Root Crops 2(5):34–44. St. Augustine, Trinidad: Univ. of the West Indies.[Discusses the production capacity of cassava. Estimates the yield is 2 to 4 times that of rice and maize in West Africa.]
Jones, W. O. 1978. Cassava in Indonesia: Preliminary observations. Mimeographed report. [Points out that cassava is among the least expensive available sources of calories.]
Jones, W. O., and A. I. Akinrele. 1976. National accelerated food production program: Improvement of cassava processing and marketing; recommendations and report. Nigeria: IITA. 53 pg. [Reappraises the processing and marketing of cassava products in Nigeria. Provides details on gari marketing and manufacture.]
Jong, A. W. K. de. 1913. Het zetmeelgehalte van den cassavewortel. Mededeelingen van het Agricultuur Chemisch Laboratorium 5:1–18. [Examines the percentage of starch and dry matter and the specific gravity of peeled roots of sixty-three varieties of cassava. A correlation between the percentage of starch and that of dry matter was found. Written in Dutch.]
Jongh, G. 1961. The formation of dough and bread structures. The ability of starch to form structures and the improving effect of glyceryl monostearate. Cereal Chemistry 38:140–152. [Describes the use of cassava in the production of bread.]
Jos, J. S., M. L. Magoon, R. S. Sadasiviah, and S. G. Appan. 1966. Studies on sterility in cassava. I. Mechanism of pollen abortion in some male sterile lines. Indian J. of Horticulture 23:177–184. [Describes the mechanism of pollen abortion in some male sterile lines.]
Jose, A. V. 1973. Wage rate of agricultural laborers in Kerala. Economic and Political Weekly. Bombay, India. [Points out the overdependence on cassava in the diet of the poor.]
Joseph, K., et al. 1961. The effect of replacing rice in the diet by tapioca macaroni on the metabolism of nitrogen, calcium and phosphorus in children. Food Science 7(9):253–254. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:169.]
Journal of the travels and labors of Father Samuel Fritz in the river of the Amazons between 1686 and 1723. 1922. London: Haklyut Society London. [States that Amazonian Indians successfully stored fresh cassava during annual flood periods by burying the roots.]
Juarez, G. 1955. Bul. 58, Est. Exp. Agric. Lima, Peru: La Molina. [Reports on cassava leaf yields in Peru.]
Juarez G., L. 1957. La hoja de la yuca como forraje. Vida Agrícola 29(347):881–883, 885, 887–888. Peru. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:98. Written in Spanish.]
Kamil, M., et al. 1974. Biflavones from Manihot utilissima. Phytochemistry 13(11):2619–2620. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:30.]
Kanapathy, K. 1974a. Fertilizer experiments on shallow peat under continuous cropping with tapioca. Malaysian Agricultural J. 49(4):403–412. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:65–66.]
Kanapathy, K. 1974b. Time of harvesting different varieties of tapioca on peat. Malaysian Agricultural J. 49(4):469–479. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:87.]
Kaneda, H., and B. F. Johnston. 1961. Urban food expenditure patterns in tropical Africa. Food Research Institute Studies 2:229–275. [Discusses cassava consumption and marketing in Africa.]
Kang, B. T., A. S. R. Juo, and G. Heys. 1981. IITA Annual report, 14–15. Ibadan, Nigeria: IITA. [Claims that tuber yields are depressed with increasing rates of nitrogen, particularly without potassium application.]
Kang, B. T., and A. S. R. Juo. 1982. IITA Annual report, 129. Ibadan, Nigeria: IITA. [Claims that certain varieties of tubers experience a yield increase on poor soils with potassium application.]
Kang, B. T., R. Islam, F. E. Sanders, and A. Ayanaba. 1980. Effect of phosphate fertilization and inoculation with VA-mycorrhizal fungi on performance of cassava, Manihot esculenta, Crantz, grown on an alfisol. Field Crops Research 3:83–94.
Karnjanakorn, K. 1968. Planting positions and weed control in cassava plantations at Si Racha. Ph.D. dissertation. Thailand: Kasetsart Univ.
Karrer, W. 1958. Cyanide, cyanogene glykoside. Konstitution und Vorkommen der Organischen Pflanzenstoffe, 947–951. Birkhäuser Verlag Basel and Stuttgart. [Claims that Ricord-Madianna isolated a bitter principle from cassava tubers which he called Manihotoxin.]
Kartha, K. K., and O. L. Gamborg. 1975a. Elimination of cassava mosaic disease by meristem culture. Phytopathology 65(7):826–828. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:125–126.]
Kartha, K. K., and O. L. Gamborg. 1975b. Potential value of a tissue culture technique for producing mosaic-free cassava plants. The International Exchange and Testing of Cassava Germ Plasm. Proceedings of an interdisciplinary workshop, Palmira, Colombia, 1975, ed. by B. Nestel, and R. MacIntyre, 45–50. Ottawa, Canada: IDRC. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:126.]
Kartha, K. K., O. L. Gamborg, F. Constabel, and J. P. Shyluk. 1974. Plant Science Letters 2:107. [Discusses rapid propagation through tissue or cell culture which is used to produce mosaic-free plants.]
Kasasian, L., and J. Seeyave. 1967. Weed control in root crops grown in the West Indies. [Suggests that chemical weed control is important.]
Kasele, I. N., and S. K. Hahn. 1982. IITA Annual report. Ibadan, Nigeria: IITA. [States that stem cuttings taken from basal portions and having a length of 20 or 30 cm and a diameter of 2–3 cm have a higher sprouting rate and produce a plant with a greater number of stems and larger tubers.]
Kasirivu, J. B. K. 1977. Preliminary studies of Cercospora henningsii on cassava, Manihot esculenta, Crantz. Unpublished ms.
Kasirivu, J. B. K. 1978. Studies on two Cercospora foliar pathogens of cassava, Manihot esculenta, Crantz. Master’s thesis. Ibadan, Nigeria: Univ. of Ibadan. 124 pg.
Kaufman, C. W. 1950. This 10-test plan clinched tapioca quality. Food Industries 22(4):614–617. [Describes quality control tests for commercial cassava starch.]
Kawabata, A., and R. R. del Rosario. 1983. Effect of storage and heat treatment on the sugar constituents of tropical root crops. Abstracts of papers, 587. Annual Meeting of Agricultural Chemical Society of Japan, Sendai, March 1983.
Kawabata, A., N. Nagashima, Y. Uchimura, S. Sawayama, V. V. Garcia, and R. R. del Rosario. 1982. Physico-chemical properties of cassava flour and its processing into noodle. Abstracts of papers, 151. 36th Meeting of Japanese Society of Food and Nutrition, Tokyo, May 1982.
Kawabata, A., S. Sawayama, and R. R. del Rosario. 1984. Effect of storage and heat treatment on the sugar constituents of tropical root crops. J. of Food Science.
Kawabata, A., S. Sawayama, N. Nagashima, and R. R. del Rosario. 1984. Physico-chemical properties of starches from cassava, arrowroot and sago. Tropical root crops: Postharvest physiology and processing, ed. by I. Uritani, and E. D. Reyes, 259–271. Tokyo: Japan Scientific Societies Press. [Investigates starch obtained from cassava in order to clarify the physico-chemical properties.]
Kawabata, A., S. Sawayama, N. Nagashima, R. R. del Rosario, and M. Nakamura. 1984. Some properties of starches from cassava, arrowroot and sago. J. Japanese Society of Starch Science.
Kawabata, A., S. Sawayama, R. R. del Rosario, and M. G. Noel. 1984. Effect of storage and heat treatment on the sugar constituents of tropical root crops. Tropical root crops: Postharvest physiology and processing, ed. by I. Uritani, and E. D. Reyes, 243–258. Tokyo: Japan Scientific Societies Press. [Investigates the changes in sugar constituents of three cassava cultivars during storage and with heat treatment.]
Kawabata, A., S. Sawayama, T. Yoshimura, and L. S. Palomar. 1982. Analysis of ingredients and dishes of menus in the Philippines. Abstracts of papers, 84. 36th Meeting of Japanese Society of Nutrition and Food Science, Tokyo, May 1982.
Kawabata, A., S. Sawayama, T. Yoshimura, and L. S. Palomar. 1984. Analysis of ingredients and dishes of menus in the Philippines. Japanese J. of Nutrition.
Kawabata, A., V. V. Garcia, and R. R. del Rosario. 1982. Processing and utilization of root crops in the tropics. Nagoya, Japan: Nagoya Univ. Coop. [Describes a method for extracting pectic substances from cassava.]
Kawabata, A., V. V. Garcia, and R. R. del Rosario. 1984. Processing and utilization of root crops in the tropics. Tropical root crops: Postharvest physiology and processing, ed. by I. Uritani, and E. D. Reyes, 183–203. Tokyo: Japan Scientific Societies Press. [Investigates the processing and utilization of root crops in the Philippines. Survyed the use of root crop flour and starch in making noodles in Laguna province. Reports that cooking loss of noodles decreased as the amount of cassava flour increased.]
Kawano, K. 1975. Cassava germ plasm collection and advanced genetic material at CIAT. The International Exchange and Testing of Cassava Germ Plasm. Proceedings of an interdisciplinary workshop, Palmira, Colombia, 1975, ed. by B. Nestel, and R. MacIntyre, 63–66. Ottawa, Canada: IDRC. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:153–154.]
Kawano, K. 1978. Genetic improvement of cassava, Manihot esculenta, Crantz, for productivity. Tropical Agriculture Research Center, Ministry of Agriculture and Forestry, Yakabe, Tsukuba, Ibaraki, Japan, 11:9–21.
Kawano, K., A. Amaya, P. Daza, and M. Rios. 1978. Factors affecting efficiency of hybridization and selection in cassava. Crop Science 18:373–376.
Kay, D. E. 1973. Crop and product digest 2: Root crops. London: Tropical Products Institute. 245 pg. [Provides evidence that deep plowing will encourage deep root penetration for cassava. Provides basic information on root crops.]
Kayode, G. O. 1983. Effects of various planting and harvesting times on the yield, HCN, dry-matter accumulation and starch content of four cassava varieties in a tropical rainforest region. J. of Agricultural Science 101:633–636. Cambridge. [Reports the results of a two-year study in Nigeria. Claims that May planting gives the highest yield and starch content. Concludes that tubers will increase until the 24th month but increasing demand for land will not make it economic to leave cassava in the field for more than 15 months. Optimum starch and dry-matter accumulation is between 12 and 15 months.]
Kayser, B., Abdul el Kader Fahem, and M. Pain. 1981. Cherté du manioc et pauvreté paysanne dans le Bas-Zaire. Cahiers d’Outre-Mer 34(134):97–110. [Written in French.]
Keating, B. A., and J. P. Evenson. 1979. Effect of soil temperature on sprouting and sprout elongation of stem cuttings of cassava, Manihot esculenta, Crantz. Field Crops Research 2:241–251. [Reports test results which indicate that the minimum temperature for sprouting and sprout elongation is between 12 and 17oC, while the maximum is between 36 and 40oC.]
Kensinger, K. M. 1971. Manioc and the Cashinahua (Peru). Paper presented at the symposium on Manioc in Lowland South America, Annual Meeting of the American Anthropological Association, New York, Nov. 1971. [Describes the classification, production, and usage of cassava by the Cashinahua. Includes indigenous names.]
Kensinger, K. M. 1975. Studying the Cashinahua. The Cashinahua of eastern Peru, Studies in anthropology and material culture 1:9–85, ed. by J. Dwyer. Providence, RI: Brown Univ., The Haffenreffer Museum of Anthropology. [Reports that the Cashinahua of Peru match the physiological characteristics of cassava cultivars to specific soil conditions. Claims that twenty-five varieties of cassava are cultivated by the Cashinahua.]
Kent, E. 1969. Note sur l’introduction et la propagation du manioc à Madagascar. Terre Malgache 5:177–183. [Provides information on the origin, introduction, and dissemination of cassava in Madagascar. Concludes that terminology used to designate cassava in several dialects and oral tradition show that introduction and dissemination can be traced to dates earlier than 1750. Written in French.]
Kerr, A. J. 1941. The storage of native food crops in Uganda, cassava. East African Agricultural J. 7(2):75–76. [Claims that cassava chips made from bitter varieties store longer than those made from sweet varieties.]
Ketiku, A. O., and V. A. Oyenuga. 1970. Preliminary report on the carbohydrate constituents of cassava root and yam tuber. Nigerian J. of Science 4(1):25–30. [States that free sugars normally present in cassava are glucose, fructose, sucrose, and traces of mannose.]
Ketiku, A. O., and V. A. Oyenuga. 1972. J. of the Science of Food and Agriculture 23:1451. [Traces changes in the carbohydrate constituents of cassava roots during growth. Claims that starch level peaked at eight months and sugars at nine months after planting.]
Ketiku, A. O., I. O. Akinyele, O. O. Keshinro, and O. O. Akinnawo. 1978. Changes in the hydrocyanic acid concentration during traditional processing of cassava into gari and lafun. Food Chemistry 3(3):221–228. [Lists dry matter and HCN values associated with different types of cassava preparation.]
Khajarern, S., J. M. Khajarern, N. Kitpanit, and Z. Muller. 1977. Cassava in the nutrition of swine. Ottawa, Canada: IDRC. IDRC-095e, 56–64.
Kidavu, M. G. 1920. Note on tapioca cultivation. Mysore Economic J. 6:459–461. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:51.]
Kim, J. C., and D. de Ruiter. 1968. Bread from non-wheat flours. Food Technology 22(7):867–878. [Discusses the use of cassava as a substitute for wheat flour in bread making.]
Kim, J. C., and D. de Ruiter. 1969. Bread from non-wheat flours. Protein-enriched cereal foods for world needs. The American Association of Cereal Chemists, 185–198. [Compares breads prepared with cassava and other types of breads.]
Kingman, F. C., and E. D. Doryland. 1917. Important root crops in the Philippines. Philippine Agricultural Review 10(4):335. [Claims that cassava was introduced into the Philippines from Mexico during the early part of the Spanish rule.]
Kitajima, E. W., and A. S. Costa. 1964. Elongated particles found associated with cassava brown streak. East African Agricultural and Forestry J. 30:28–30. [Compare mosaic viruses from West Africa with the mosaic virus in Brazil. Concludes that several different viruses cause mosaic symptoms on cassava.]
Kitajima, E. W., and A. S. Costa. 1966a. Microscopia electromica de tecidos foliares de mandioca infetados pelo virus do mosons comum da mandioca. Bragantia 25:23–27. [Written in Portuguese.]
Kitajima, E. W., and A. S. Costa. 1966b. Partículas esferoidais associados ao virus do mosaico das nervuras da mandioca. Bragantia 25:211–221. [Written in Portuguese.]
Kitajima, E. W., and A. S. Costa. 1973. Paper presented at the 3rd International Symposium on Tropical Root Crops, 2–9 Dec. 1973. [Reports on studies of cassava virus and mycoplasma in Brazil.]
Kitajima, E. W., C. Wetter, A. R. Oliveira, and A. S. Costa. 1965. Morfologia do virus de mosaico comum da mandioca. Bragantia 24(2):247–260. Campinas. [Written in Portuguese.]
Kitajima, E. W., E. S. Normanha, and A. S. Costa. 1972. Corpúsculos do tipo micoplasma associados a uma forma de superbrotamento da mandioca, na região de Tapchula, Chiapas, México. Ciencia e Cultura 24(9):852–855. Brasil. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:129. Written in Portuguese.]
Klein, F. W., and G. V. Barlowen. 1954. Tapiokamehl in Aufzuchtfutter. Arch. f. Genugelk. 18:415. [Claims that cassava meal can be used up to 10 percent of chicks’ diets with satisfactory results.]
Knight, J. W. 1974. Speciality food starches. Proceedings of an interdisciplinary workshop on cassava processing and storage, Pattaya, Thailand, 17–19 April 1974, ed. by E. V. Araullo, B. Nestel, and M. Campbell, 77–87. Ottawa, Canada: International Development Research Centre, IDRC-031e. [Shows where best the properties of cassava starch can be employed to produce food products. Compares the pasting histories of corn, sorghum, wheat, and cassava starches.]
Knudsen, L. S., and S. Riebroicharoen. 1971. Report 1. Die and roller steels for pelletizing tapioca. Misc. Invest. 49. Steel and maufacturing procedure for tapioca pelletizing machine components. Bangkok, Thailand: Applied Science Research Corporation of Thailand. 6 pg. [Reports that the quality of the die material and the method of manufacture have strongly influenced the performance of cassava presses.]
Kober, E. 1956. Lagarta da mandioca. Granja 12(106):52–54. Brasil. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:137–138. Written in Portuguese.]
Koch, D. E. V. 1936. Foodstuffs. Tropical Agriculturist 87(5):296–298. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:169–170.]
Koch, L. 1918. Uitkomsten van een proef met het gebruik van “gedegenereerde” cassavebitit. Korte berichten uitgande van de selectie en zaadtuinen voor Rijst en andere ééjarige Inlandsche Landbouwgewassen 12. 5 pg. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:87–88. Written in Dutch.]
Koch, L. 1933. Cassaveselectie. Wageningen: Veeman and Zonen. [Discusses the range of cyanogen content in the edible tubers.]
Koch, W. 1974. Tropische Knollenpflanzen und inhre Krakheiten. Nachrichtenblatt der Deutschen Pflanzenschutzdienstes 26:135. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:108.]
Koens, A. J. 1955. Knol gewassen. De landbouw in den indischen archipel, ed. by C. J. J. Van Hall, and C. Van De Koppel, II(A):166–200. [Discusses cassava yields. Claims that at 800 meters above sea level yield decreases. In early varieties the root yield per plant may vary from 1.5–6 kg or 18,000–50,000 kg per ha. In late varieties the yield may be as much as 70,000 kg per ha.]
Kohler, E. 1934. Die Kräuselkrankeiten des Maniok (Kassave). Soraver’s Handbuch de Pflanzen-krankheit 1(2):449–500. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:126. Written in German.]
Kojima, M., N. Iwatsuki, E. S. Data, C. D. V. Villegas, and I. Uritani. 1983a. Changes in cyanide content and linamarase activity in wounded cassava roots. Plant Physiology 72:186–189. [Examines changes in secondary metabolism after physiological deterioration of cassava roots. Demonstrates that wounding the roots stimulates physiological deterioration.]
Kojima, M., N. Iwatsuki, E. S. Data, C. D. V. Villegas, and I. Uritani. 1983b. Changes of cyanide content and linamarase activity in wounded cassava roots. Abstracts of papers, 187. Annual Meeting of the Japanese Society of Plant Physiologists, Matsuyama, April 1983.
Kolb, H. 1962. Industrial application of tapioca for manufacturing tap-macaroni or tap-rice. United Nations Conference 39/C/401.
Koop, Gordon, and Sherwood G. Lingenfelter. 1980. The Deni of Western Brazil: A study of sociopolitical organization and community development. Dallas: SIL Museum of Anthropology. [Reports that bitter cassava is the staple crop among the Deni of Brazil with sweet cassava being a supplemental crop.]
Korang-Amoakoh, S., and K. A. Oduro. 1978. Present situation of cassava bacterial blight disease in Ghana. Workshop proceedings on cassava bacterial blight in Africa, ed. by E. R. Terry, G. J. Persley, and S. C. A. Cook. Ibadan, Nigeria: IITA.
Kordilok, A. 1970. The market for tapioca products in the Federal Republic of Germany and the Netherlands. ECAFE Export Promotion Course, T3/11/20.70. [Claims that since 1967, the demand for cassava pellets is greater but the demand for chips and meal has declined.]
Korytkowski G., C., and D. Ojeda P. 1968. Especies del género Anastrepha Schiner 1868 en el nor-oeste peruano. Revista Peruana de Entomología 11(1):32–70. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:132. Written in Spanish.]
Koshy, T. K. 1947. The tapioca plant and methods for evolving improved strains for cultivation. Proceedings of Indian Academy of Science, Section B. 26:32–59. [Provides an informal classification of cassava cultivars in India.]
Krausz, J. P. 1976. The superelongation disease of cassava. Ph.D. dissertation. Ithaca, New York: Cornell Univ. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:121.]
Krauz, J. P., J. C. Lozano, and H. D. Thurston. 1978. Superelongation: A Sphaceloma disease of cassava. Proceedings of the Cassava Protection Workshop. Cali, Colombia: CIAT. 244 pg.
Krishnaswamy K., and R. Kalamegham. 1975. Tropical ataxic myelopathy. Trop. Geogr. Med. 27(3):249–252. [Reports the results of biochemical investigations and bone marrow examination which indicate that neither vitamin B12 deficiency nor cyanide intoxication were likely factors in the etiology of the cases examined.]
Krochmal, A. 1963. Observation on cassava research, production, and processing in Sao Paulo, Brazil.
Krochmal, A. 1966. Labor input and mechanization of cassava. World Crops 18(3):28–30. [Examines the labor requirements of cassava in Uganda, Latin America, and the Caribbean. Shows that complete mechanization of cassava cultivation in Latin America drops the labor input considerably.]
Krochmal, A. 1967. Cassava in the new world. World Crops, March 1967.
Krochmal, A. 1969. Propagation of cassava. World Crops 21(3):193–195. [Points out that cassava stem cuttings should be from the basal part of mature plants for optimum yields.]
Krochmal, A. 1973. Paper presented at the 3rd International Symposium on Tropical Root Crops, 2–9 Dec. 1973. [Examines the impact of mechanization on the labor requirements for planting and harvesting cassava.]
Krochmal, A., and G. Samuels. 1967. The influence of NPK levels on the growth and tuber development of cassava in tanks. Proceedings of International Symposium on Tropical Root Crops 1(2):97–102. St. Augustine, Trinidad: Univ. of the West Indies. [Reports the results of hydroponic and sand cultures of cassava that show that high potassium levels did not favor tuber production.]
Krochmal, A., and G. Samuels. 1968. Deficiency symptoms in nutrient pot experiments with cassava. Ceiba. 14(1):7–16. [States that the weight of cassava roots decreased by omission of potassium and low levels of nitrogen.]
Krochmal, A., and G. Samuels. 1970. Ceiba. 16:35. [Suggests that high levels of nitrogen may increase cassava leaf production at the expense of roots.]
Krochmal, A., and J. Cubero. 1967. A cassava insect. World Crops, December. [Describes the infestation of cassava by hornworms or larvae of the sphingid Erinnys alope Drury. Recommends a pest control practice.]
Kufferath, H., and J. Ghesquiére. 1932a. La mosaique du manioc. Ann. Gembloux 38(11):365. [Written in French.]
Kufferath, H., and J. Ghesquiére. 1932b. La mosaique du manioc. Comptes rendus Soc. de Biol. 59(12):1146–1148. [Written in French.]
Kumar, B. M., R. C. Mandal, and M. L. Magoon. 1971. Influence of potash on cassava. Indian J. of Agriculture 16(1):82–84. [Reports on response of cassava to fertilizer.]
Kumar, B. M., R. C. Mohan, and N. Hrishi. 1979. Intercropping systems with cassava in Kerala State, India. 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, 31–34. Ottawa, Canada: International Development Research Centre, IDRC-142e. 143 pg. [Provides an overview of intercropping in Kerala State.]
Kumar, S. K. 1979. Research report 5. Washington, D.C.: International Food Policy Research Institute. [Discusses dietary habits of people in Kerala, India.]
Kundu, B. C. 1967. Some edible rhizomatous and tuberous crops of India. Proceedings of International Symposium on Tropical Root Crops 1(1):124–130. St. Augustine, Trinidad: Univ. of the West Indies. [States that cassava is grown in high rainfall areas in India.]
Kunju, U. M. 1972. Tapioca a food cum industrial crop. Farmer Parliament 7(10):9–10, 29. [Spanish abstract in Resumenes Analíticos Sobre Yuca II:51.]
Kuppuswamy, S. 1961. Studies on the dehydration of tapioca. Tech. Sem. Food Science 11(4):99–100. [Discusses the absorbtion of moisture by cassava chips.]
Kuppuswamy, S. 1962. Studies on the dehydration of tapioca. Food Science 11:99. Mysore, India.
Kurian, T. et al. 1976. Regulation of the levels of cyanogenetic glucosides in cassava, Manihot esculenta. J. of Root Crops 2(2):39–43. [Discusses the effects of growth regulators and cow dung on the pretreatment of cassava cuttings.]
Kwee, W. H., V. D. Sidwell, R. C. Wiley, and O. A. Hammerle. 1969. Quality and nutritive value of pasta made from rice, corn, soya and tapioca enriched with fish protein concentrate. Cereal Chemistry 46(1):78–82. [Describes this pasta product.]