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Report 1991

Autor: Portillo de Villegas, ME Gaona R, J

Results of a study on bean cultivation in El Salvador are given. Aspects analyzed were as follows: consumption structure (apparent, per capita, and rural-urban; preferences, consumption and cooking ways, and nutritive value); area, production, and yields (at national and regional levels, by cropp...

Enlace original: https://cgspace.cgiar.org/handle/10568/54666

Investigación en Agricultura
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Portillo de Villegas, ME ,  Gaona R, J ,  [El frijol en El Salvador: implicaciones para la investigacion agricola] ,  El frijol en El Salvador: implicaciones para la investigacion agricola
Report 1982

Autor: Hershey, Clair H.

Several physical and biological factors that limit cassava productivity are described: temp. and photoperiod, soil water availability, RH, soil characteristics (fertility and pH), and pests and diseases. Six edapho--climatic zones (ECZ) for cassava production are defined on the basis of temp.: lo...

Enlace original: https://cgspace.cgiar.org/handle/10568/71804

Investigación en Agricultura
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Hershey, Clair H. ,  [Mejoramiento de la yuca para adaptacion en condiciones de estres : desarrollo de una metodologia] ,  Mejoramiento de la yuca para adaptacion en condiciones de estres : desarrollo de una metodologia
Report 1978

Autor: Riedel, RM

A survey was conducted on 205 soil samples collected from 12 sites in Colombia of different crops, including beans on which the research was mainly focussed (132 soil samples from 10 sites), in order to characterize problems of nematodes in the different regions, make comparisons, and suggest res...

Enlace original: https://cgspace.cgiar.org/handle/10568/71825

Investigación en Agricultura
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Riedel, RM ,  [Final report. Nematode survey] ,  Final report. Nematode survey
Report 1980

Autor: Lynam, John K.

Research on lima beans (Phaseolus lunatus) was conducted regarding adaptation, resistance to common bacterial blight (Xanthomonas phaseoli), resistance to leafhoppers (Empoasca kraemeri), and cyanide concn. in lima bean seed. In adaptation studies 36 climbing lima bean lines were selected from th...

Enlace original: https://cgspace.cgiar.org/handle/10568/71861

Investigación en Agricultura
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Lynam, John K. ,  [Estudios sobre adaptacion y mejoramiento del frijol Phaseolus lunatus] ,  Estudios sobre adaptacion y mejoramiento del frijol Phaseolus lunatus
Report 1980

Autor: Lozano, J.C. Byrne, D. Bellotti, Anthony C.

Based on the considerations related to the characteristics of cassava, centers of origin, and the traditional system of cultivation, several conclusions were made regarding the relationships between the plant and NPFs, constituted by disease and pest pressures and edaphic and climatic factors. It...

Enlace original: https://cgspace.cgiar.org/handle/10568/71395

Investigación en Agricultura
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Lozano, J.C. ,  Byrne, D. ,  Bellotti, Anthony C. ,  [The relationships between cassava (Manihot esculenta Crantz), ecosystems, diseases and pests and their influence on breeding strategy] ,  The relationships between cassava (Manihot esculenta Crantz), ecosystems, diseases and pests and their influence on breeding strategy
Report 1982

Autor: Gálvez E., Guillermo E.

Advances in research conducted by the Centro Internacional de Agricultura Tropical together with its technicians in Central America, and the close collaboration with national programs are analyzed regarding factors limiting bean productivity in Central America: the bean pod weevil (Apion godmani)...

Enlace original: https://cgspace.cgiar.org/handle/10568/71886

Investigación en Agricultura
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Gálvez E., Guillermo E. ,  [Investigaciones sobre el picudo del frijol, la mustia hilachosa y el mosaico dorado en Centroamerica y Mexico] ,  Investigaciones sobre el picudo del frijol, la mustia hilachosa y el mosaico dorado en Centroamerica y Mexico
Report 1980

Autor: Cardona, C.

Studies on the biology and damage caused by bean pests Diabrotica balteata and Cerotoma facialis have been conducted at CIAT since 1977. The biology of the 2 species is similar in many aspects. Life cycle is as follows: eggs, 6-7 days; 1st larval instar, 3-4 days; 2nd instar, 2-3 days; and 3rd in...

Enlace original: https://cgspace.cgiar.org/handle/10568/71388

Investigación en Agricultura
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Cardona, C. ,  [The biology, habits and nature of damage caused by chrysomelids in beans] ,  The biology, habits and nature of damage caused by chrysomelids in beans
Report 1979

Autor: Guerrero, JM Bellotti, Anthony C. Reyes, J.A.

Oligota minuta is one of the major dominant predators of Mononychellus tanajoa, consuming eggs and movil stages of the mite. At the Centro Internacional de Agricultura Tropical, Palmira, Colombia, Oligota adult populations on cassava var. M Col 113 were counted 4 times/day (6 am, 9 am, 1 pm, and ...

Enlace original: https://cgspace.cgiar.org/handle/10568/71781

Investigación en Agricultura
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Guerrero, JM ,  Bellotti, Anthony C. ,  Reyes, J.A. ,  [Fluctuacion y distribucion de las poblaciones de Oligota minuta Cam. (Coleoptera: Staphilinidae) predator de Mononychellus tanajoa Bondar (Acarina: Tetranychidae)] ,  Fluctuacion y distribucion de las poblaciones de Oligota minuta Cam. (Coleoptera: Staphilinidae) predator de Mononychellus tanajoa Bondar (Acarina: Tetranychidae)
Report 1994

Autor: Wortmann, Charles S. Allen, David J.

Bean production in Africa is very heterogeneous with much variation in environmental conditions, cropping systems, preferences and constraints. This working document contains information on the many bean producing areas in Africa. The data were gleaned from numerous sources but a major part of th...

Enlace original: https://cgspace.cgiar.org/handle/10568/72350

Investigación en Agricultura
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Wortmann, Charles S. ,  Allen, David J. ,  [African bean production environments: their definition, characteristics and constraints] ,  African bean production environments: their definition, characteristics and constraints

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