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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 vanPastor 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 vanPastor Corrales, Marcial A.[Système standard pour l´evaluation du germoplasme du haricot]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]Proteja su cosecha de frijol contra el ataque de los gorgojos

Although bean production in Latin America averaged 3.86 million/yr in 1968-71, literature on bean storage and storage losses in this regions is virtually nonexistent. Among the most important storage pests are Acanthoscelides obtectus and Zabrotes subfaciatus. These 2 especies are similar but dif...


Schoonhoven, Aart van[Pests of stored beans and their economic importance in Latin America]Pests of stored beans and their economic importance in Latin America
Altieri, Miguel A.Schoonhoven, Aart vanDoll, Jerry D.[Regulación ecológica de plagas en agroecosistemas tropicales: (un ejemplo: mono y policultivos de maíz y frijol)]Regulación ecológica de plagas en agroecosistemas tropicales: (un ejemplo: mono y policultivos de maíz y frijol)
Valencia G., C.A.Cardona Mejía, CésarSchoonhoven, Aart van[Main insect pests of stored beans and their control [tutorial unit]]Main insect pests of stored beans and their control [tutorial unit]
Schoonhoven, Aart vanVoysest Voysest, Oswaldo[El frijol común en América Latina, y sus limitaciones]El frijol común en América Latina, y sus limitaciones
Schwartz, Howard F.Gálvez E., Guillermo E.Schoonhoven, Aart vanHoweler, Reinhardt H.Graham, Peter H.Flor Montoya, Carlos A.[Problemas de campo en los cultivos de fríjol en América Latina]Problemas de campo en los cultivos de fríjol en América Latina
Ospina O., Héctor FabioCardona Mejía, CésarSchoonhoven, Aart vanGarcía, J.E.[El Lorito verde (Empoasca kraemeri Ross y Moore) y su control [conjunto audiotutorial]]El Lorito verde (Empoasca kraemeri Ross y Moore) y su control [conjunto audiotutorial]

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 vanCardona, C.[Manejo de pragas do feijoeiro (Phaseolus vulgaris, Linnaeus, 17S3) atraves da utilizacao de cobertura de solo associada a resistwncia varietal]Manejo de pragas do feijoeiro (Phaseolus vulgaris, Linnaeus, 17S3) atraves da utilizacao de cobertura de solo associada a resistwncia varietal

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