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__ if T VQ it fit -Jr.~ ~Y, It~ ' ) K J,8 InP/~~ Fr yl ' ~I' t f tz"2 I l - I I 110II~ wr~rils i ~tmHi I~~f.~~,T -l 0W,f1rt\I2 CIAT is a nonprofit organization devoted to the agricultural and economic development of the lowland tropics The Government of Colombia provides support as host country for C1AT and furnishes a 522-hectare farm near Cali for CIAT's headquarters Collaborative work with the Insttuto Colombrano Agropecuaric (ICA) is carried out mainly at its Experimental Centers at Turipana and Carimagua. CIAT is financed by a number of donors represented in the Consultative Group for International Agricultural Research During the current year these donors are the United States Agency for International Development (USAID), the Rockefeller Foundation. the Ford Foundation, the W.K Kellogg Foundation, the Canadian International Development Agency (CIDA), the International Bank for Reconstruction and Development (IBRD) through the International Development Association (IDA), the Interamerican Develop ment Bank (IBD), the United Nations Environment Programme, the Ministry of Overseas Development of the United Kingdom and the governments of Australia, Belgium. the Federal Republic of Germany, the Netherlands and Switzerland. In addition, special project funds are supplied by various of the aforementioned entities plus the International Development Research Centre (IDRC) of Canada. Information andconclusions reported herein donot necessarily reflect the position of any of the aforementioned agencies, foundations or governments - Series HE-28 £ December, 1976 ABSTRACTS ON CASSAVA (Manihot esculenta Crantz) Volume Ii CASSAVA INFORMATION CENTER CENTRO INTERNACIONAL DE AGRICULTURA TROPICAL FOREWORD Volume II of Cassava Abstracts is the result of efforts to complete the backlog information on this crop. Starting in 1977, semiannual supplements will be issued to maintain an up-to-date, permanent record of this collection. The Cassava Information Center at CIAT offers a complete service on cassava documents. Monthly, subscribers receive all abstracts that have been processed through the Center during that period. In addition, by means of a mechanized system, specific searches can be made on any topic or combination of topics, and abstract cards on all documents dealing with that particular subject are provided. Users can then request photocopies of the original documents in which they are interested. Both Volumes I and II include abstracts that have already been delivered in card form to subscribers. Whereas abstract cards provide the reader with a current awareness service, cumulative volumes such as these constitute a more permanent record of information on cassava. The use made by cassava researchers of these two types of information tools is quite different-both equally important in providing scientists with the data required for their reseatch activities. The Cassava Information Center at CIAT is jointly financed by the International Development Research Centre (IDRC) of Canada and CIAT through its core budget. In addition to the financial resources that have enabled the collection, processing, and dissemination of cassava information, special mention must be made of the scientific and technical collaboration of CIAT's team of cassava scientists who work continuously in close collaboration with our documentalists and information processors. It is our constant hope that services such as those provided by the Cassava Information Center at CIAT be used extensively by researchers throughout the world since information per se is not an end in itself but one of the major pillars supporting research activities that contribute to eliminating mankind's maj or concern-hunger. Fernando Monge, Ph.D Leader, Library and Information Services CASSAVA DOCUMENTATION TEAM Trudy de Martinez Editor- Coordinator Jorge L6pez S. Documentalist Stellia de Salcedo Translator Hernn Poveda Bibliographers Stella G6mez Each entry in this volume is distinguished bya hyphenated numberappearing before the author. Only the first half of this number is continuous throughout the book and therefore is used to link the text with the Author and Subject indexes However, in ordering photocopies of documents from the Cassava Information Center, the complete hyphenated number should be used. Please address your requests to: Cassava Information Center CIAT P.O. Box 6713 Call, Colombia CONTENTS AGO BOTANY, TAXONOMY AND GEOGRAPHICAL DISTRIBUTION I BOO PLANT ANATOMY AND MORPHOLOGY 6 COO PLANT PHYSIOLOGY 9 CU1 Plant development 15 C02 Cyanogenesis 21 C03 Chemical Composition, Methodology and Analyses 23 D00 CULTIVATION 38 DOI Soil, Water, Climate and Fertilization 57 D02 Cultivation Pratices: Propagation, Planting, Weed Control, and Harvesting 68 D03 Energy Productivity and Yields 85 EOO PLANT PATHOLOGY 201 General Descriptive Studies 94 E02 Bacterioses 99 E03 Mycoses 106 E04 Viroses 110 E05 Mycoplasmal Diseases 115 E06 Nematodes 116 FOG PEST CONTROL AND ENTOMOLOGY 117 FOl Injurious Insects and their Control 120 G00 GENETICS AND-PLANT BREEDING 127 G01 Breeding, Germplasm, Varieties and Clones, Selection 128 G02 Cytogenesis 272 HOO NUTRITION 142 HOI Cassava Foods and Nutritive Value 144 H02 Nutritive Disorders in Humans 163 H03 Animal Feeding 165 H04 HCN Toxicity and Detoxification (for HCN content, see C03) 181 100 PROCESSING, PRODUCTS, AND USES 1851 101 Cassava Starch and its Properties 186 102 Uses, Industrialization, Processing, and Storage 191 103 Industrial Microbiology 237 J00 ECONOMICS AND DEVELOPMENT 240 KOO OTHER ASSOCIATED COMMODITIES KOI Rotational schemes and Intereropping 265 ZOO GENERAL 266 AUTHOR INDEX 279 SUBJECT INDEX 287 AGO BOTANY, TAXONOMY AND GEOGRAPHICAL DISTRIBUTION 0001-5939 CROIZAT, L. ManihottweedianaMueller is unacceptable. Revista Argentina de Agronomia 11(3):173-174. 1944. Engl., Sum. Span. Mamhot tweedrana. Taxonomy. Argentina. The complexity of the genus Manthot has given rise to differences in nomenclature. Although Lourteig and O'Donell deny that M. sweediana Muell -Arg and M. flabelhifoha Pohl are synonyms of the same species, there is no doubt, however, as to the synonymy of M. graham Hook. 1843 and M. tweediana Muell.-Arg. 1873 because both belong to the same collection Tweedie made in the woodsalongthe river ParanA Thirty years of difference between Hooker's and Mueller's binomial are a sound reason for botanists to use the former. (Author's sumnharr Trans by S.S. de S.) AOO 0002-3026 CROIZAT, L. A study of Manihot in North America. Journal of the Arnold Arboretum 23 216-225. 1942. EngI, ]llus Manihot. Taxonomy. Plant anatomy. North America. A preliminary report is presented on the North American species of Mambot Mill ,which have been confused in the herbarium and in literature with Manihot carlhagenensisJacq. The morphological characteristics and origin of the following species are indicated: M,carthagenen sis, M. gualanensis. M. aesculifolia, M. rhombodea, M. fudibunda, M. comenss, M. chlorostita,M. rubricauhs, M. isoloba, M. angustilobaand M. davisiae. (Summary by.P.G. Trans. by S S. de S.) AO0 BOO 0003-6705 DEBOER, W.R. The archaeological evidence for manioc cultivation: a cautionary note. American Antiquity 40(4).419-433. 1975. Engl., Sum. Engl, 68 Refs., Illus. Cassava. History. Plant geography. Cultivation. South America. Central America. In the humid tropics of the Americas, where preservation of plant materials is unlikely, archaelogical evidence for cassava cultivation largely consists of artifacts similar to artifacts associated with cassava cultivation in the etnographic record, which, by analogy, were similarly used in the prehistoric past. The validity of this inference by analogy is examined in terms of ceramic platters and stone grater teeth, 2 of the most commonly cited proofs for cassava cultivation. (Author's summary) AO 0004-0006 JOHNSTON, B F. Staple food crops in West Africa and the Congo. Tropical Agriculture (Trinidad) 33(3) 214-220. 1956, Engl., 18 Refs. Cassava. Plant geography. Maps. Africa. 1 Several maps illustrate the distribution of the main crops in the area under study. Cassava is one of the basic tubers included in the natives' diet The calorie content of cassava is 3-4 times higher than that of cereals. This crop can be successfullygrown in poor soils and does notrequire special agricultural techniques although harvesting is rather difficult. Because cassava contains fewer proteins and vitamins of the B complex than the cereals, the diet should be supplemented with beans, fish or meat. It would be worthwhile studying cassava leaves as they are a good source of vitamins and proteins. (Summary by L-F.C. Trans.by S.S de S) AGO 0005-1811 KENT, E. Note sur rintroduction etIs propagation du manioc iMadagascar. (The introductionof cassavaanditsdisseminationin Madagascar). Terre Malgache no. 5:177 183. 1969 Fr., 37 Refs. Cassava. History. Plant geography. Malagasy Republic. Historical notes are given on the origin, introduction and dissemination of cassava in Madagascar. Some other researchers' theories on this subject are analyzed. It was concluded that (1) cassava was introduced in Madagascar by Africans.(2) Its dissemination throughout the country began on the West Coast. (3) Terminology used to designate cassava in several dialects and oral tradition show that introduction and dissemination can be traced to dates earlier than 1750 (Summary by S.S. de S.) AOO 0006-1758 LANJOUW, J. Two interesting species ofManihotL. from Suriname. Recueldes Travaux Botaniques N~erlendais 36:543-549. 1939. EngI, Illus.