A description is given of the different factors limiting to bean production in Latin America, type of damage caused, environmental conditions where they prevail, and possible control measures. With regard to diseases, the following are discussed: aphid-, whitefly- and beetle-transmitted viruses, ...
Se presenta una descripcion de los diferentes factores que limitan la produccion de frijol en Latinoamerica, el tipo de dano causado, condiciones ambientales donde estos prevalecen, y posibles medidas de control. Se examinan las siguientes enfermedades: virus transmitidos por afidos, mosca blanca...
Schwartz, Howard F.
,
Gálvez E., Guillermo E.
,
Schoonhoven, Aart van
,
Howeler, Reinhardt H.
,
Graham, Peter H.
,
Flor Montoya, Carlos A.
,
[Field problems of beans in Latin America]
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Field problems of beans in Latin America
Posso G, CE
,
Valor, J.F.
,
Schoonhoven, Aart van
,
[Resistencia de Phaseolus vulgaris L. silvestre y progenies con frijol cultivado al gorgojo comun Acanthoscelides obtectus (Say) a nivel de campo y laboratorio]
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Resistencia de Phaseolus vulgaris L. silvestre y progenies con frijol cultivado al gorgojo comun Acanthoscelides obtectus (Say) a nivel de campo y laboratorio
The main priority of efforts in genetic improvement of beans is to increase the production in areas where it is currently cultivated. The environment in those areas has unfavorable climatic conditions for the crop and instead, favorable for the disease- insect complex attacking it. Through the co...
Temple, S
,
Schwartz, Howard F.
,
Morales, Francisco José
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Cardona Mejía, César
,
Schoonhoven, Aart van
,
[Orientacion del mejoramiento de frijol en los climas calidos]
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Orientacion del mejoramiento de frijol en los climas calidos
Information is given on the situation of beans in Latin America, in terms of producing regions, national consumption and exports in various countries, classes of beans grown, production structure, and constraints to production. Main limitations to bean production are diseases and insect pests, wh...
Se informa sobre la situacion del cultivo de frijol en America Latina, en terminos de regiones productoras, consumo nacional y exportacion de frijol en varios paises, clases de frijol cultivadas, estructura de la produccion y principales limitaciones a la produccion. Las principales limitaciones ...
Schoonhoven, Aart van
,
Voysest Voysest, Oswaldo
,
[Common beans in Latin America and their constraints]
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Common beans in Latin America and their constraints
A standard system for the evaluation of bean germplasm under field conditions is described, including a table with the developmental stages of the common bean plant which is used in the proposed system. This system has been tested in Colombia and many countries in Latin America, Africa, and other...
Schoonhoven, Aart van
,
Pastor Corrales, Marcial A.
,
[Standard system for the evaluation of bean germplasm]
,
Standard system for the evaluation of bean germplasm
A standard system for the evaluation of bean germplasm under field conditions is described, including a table with the developmental stages of the common bean plant which is used in the proposed system. This system has been tested in Colombia and many countries in Latin America, Africa, and other...
Schoonhoven, Aart van
,
Pastor Corrales, Marcial A.
,
[Système standard pour l´evaluation du germoplasme du haricot]
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Système standard pour l´evaluation du germoplasme du haricot
Information on bruchids on bean grain (Zabrotes subfasciatus and Acanthoscelides obtectus) is given for farmers, explaining aspects such as: oviposition behavior, morphological characteristics of the adult, type of damage, and adaptation to temp. Practices to avoid or prevent damage by bruchids a...
Alomia de Gutierrez, B.
,
Schoonhoven, Aart van
,
[Proteja su cosecha de frijol contra el ataque de los gorgojos]
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Proteja su cosecha de frijol contra el ataque de los gorgojos
An expt. to study the background soil effects associated with var. resistance in bean pest populations, virus incidence and yield was carried out at the Centro Internacional de Agricultura Tropical (CIAT), Palmira, Colombia from Jan.-March, 1978. The effect of the treatments and of the var. on Em...
Hohmann, C.L.
,
Schoonhoven, Aart van
,
Cardona, C.
,
[Manejo de pragas do feijoeiro (Phaseolus vulgaris, Linnaeus, 17S3) atraves da utilizacao de cobertura de solo associada a resistwncia varietal]
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Manejo de pragas do feijoeiro (Phaseolus vulgaris, Linnaeus, 17S3) atraves da utilizacao de cobertura de solo associada a resistwncia varietal
The effect of maize/bean intercropping on Empoasca kraemeri population and damage, populations of other phytophagous insects, the parasitic action of Anagrus sp. on E. kraemeri, ambient temp. and RH, light intensity, and bean leaf temp. was observed. Two planting dates and 3 maize densities in 2 ...
Hernández R., J.C.
,
Vera G., J.
,
Schoonhoven, Aart van
,
Cardona Mejía, César
,
[Efecto de la asociacion maiz-frijol sobre poblaciones de insectos plagas, con enfasis en Empoasca kraemeri Ross & Moore]
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Efecto de la asociacion maiz-frijol sobre poblaciones de insectos plagas, con enfasis en Empoasca kraemeri Ross & Moore
A standard system for the evaluation of bean germplasm under field conditions is described, including a table with the developmental stages of the common bean plant which is used in the proposed system. This system has been tested in Colombia and many countries in Latin America, Africa, and other...
Schoonhoven, Aart van
,
Pastor Corrales, Marcial A.
,
[Sistema estándar para la evaluación de germoplasma de frijol]
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Sistema estándar para la evaluación de germoplasma de frijol