This audiotutorial unit (cassette, printed script, 70 color slides, study guide, self-evaluation test), prepared by the Communications Support Unit at CIAT, is available for use with a manually or automatically synchronized slide projector/cassette tape recorder. Each unit is available from the D...
Esta unidad audiotutorial (cinta magnetofonica, guion, 70 transparencias a color, guia de estudio, auto-evaluacion), preparada por la Unidad de Comunicaciones del CIAT, esta disponible para usarla en sincronizacion automatica o manual por medio de un proyector de transparencias o una grabadora de...
Ceballos L., Luis Fernando
,
Romero S., Alfredo A.
,
Bellotti, Anthony C.
,
Arias V., Bernardo
,
[El Control de Erinnyis ello (L) gusano cachón de la yuca [conjunto audiotutorial]]
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El Control de Erinnyis ello (L) gusano cachón de la yuca [conjunto audiotutorial]
This audiotutorial unit (cassette, printed script, 93 color slides, Study guide, self-evaluation test), prepared by the Communications Support Unit at CIAT, is available for use with a manually or automatically synchronized slide projector/cassette tape recorder. Each unit is available from the D...
Ceballos L., Luis Fernando
,
Domínguez O., Carlos E.
,
Lozano T., José Carlos
,
[Descripción de las enfermedades de la yuca [conjunto audiotutorial]]
,
Descripción de las enfermedades de la yuca [conjunto audiotutorial]
Information on some diseases and pests that attack cassava, as well as the symptoms induced by nutritional deficiencies and toxicities and damage resulting from the misuse of herbicides are given in this manual. Specific and general recommendations regarding the control of the described problems ...
En este manual se presenta informacion sobre algunas de las enfermedades y plagas que atacan a la yuca, como tambien los sintomas inducidos por deficiencias y toxicidades nutricionales y danos debidos al uso incorrecto de los herbicidas. Se incluyen recomendaciones generales y especificas para el...
Lozano, J.C.
,
Bellotti, Anthony C.
,
Reyes, J.A.
,
Howeler, Reinhardt H.
,
Leihner, D.E.
,
Doll, J.
,
[Problemas en el cultivo de la yuca]
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Problemas en el cultivo de la yuca
Cassava is a regional crop in India, 97 percent of the production coming from the states of Kerala and Tamil Nadu. On a countrywide basis, cassava makes only a small contribution to total calorie intake; in the south, however, it ranks 2nd to rice. Data are presented on production and utilization...
La yuca es un cultivo regional en India; el 97 por ciento de la produccion proviene de los estados de Kerala y Tamil Nadu. A nivel nacional, la yuca representa un pequeno aporte al consumo total de calorias; en el sur, sin embargo, ocupa el segundo lugar despues del arroz. Se presentan datos sobr...
International Center for Tropical Agriculture
,
[Global cassava research and development: The cassava economy of Asia: Adapting to economic change]
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Global cassava research and development: The cassava economy of Asia: Adapting to economic change
The reasons an integrated pest and disease control in cassava is justified are analyzed. Some cultural practices are listed that would lessen the problems caused by negative production factors within an ecosystem and would give high stable yields. Recommendations are given to maintain and enrich ...
Lozano, J.C.
,
Bellotti, Anthony C.
,
[Integrated control of diseases and pest of cassava (Manihot esculenta Crantz)]
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Integrated control of diseases and pest of cassava (Manihot esculenta Crantz)
CIAT activities in developing biotechnology applications to cassava in the last decade are described. The strategies to identify research topics and implement in house capabilities and an international cooperative effort in cassava biotechnology are emphasized. Successful integration of selected ...
Roca, William M.
,
Henry, Guy
,
Angel, F.
,
Sarria, R
,
[Biotechnology research applied to cassava improvement at the International Center of Tropical Agriculture (CIAT)]
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Biotechnology research applied to cassava improvement at the International Center of Tropical Agriculture (CIAT)
About 150 pests of cassava are cited. About 110 are insects and the rest are nematodes (38), arachnids (3) and chilopods (1). Insects are listed by orders; the stage causing damage, type of damage, and distribution are listed as well. (CIAT)
The process of identifying the "relevant constraints" and their incidence on breeding programs and agricultural research of international centers are explained and case histories are provided on the role of these 3 types of information (macro stage, micro stage, critical inference stage) related ...
Sanders, J.H.
,
Lynam, John K.
,
[Systems of production of beans and cassava in Latin America with implications for research design]
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Systems of production of beans and cassava in Latin America with implications for research design
A new disease of cassava has been found inducing epidemics in several cassava-growing areas of Colombia during the rainy season. The disease can be recognized by a characteristic exaggerated elongation of the internodes of young stems of infected plants and by the distortion and deformation of th...