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    Mejoramiento genético. Mejoramiento de caracteres. Entomología

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    Book Chapter (1.259Mb)
    Authors
    International Center for Tropical Agriculture
    Date Issued
    1986
    Language
    es
    Type
    Book Chapter
    Accessibility
    Open Access
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    Citation
    Mejoramiento genético. Mejoramiento de caracteres. Entomología . 1986.In: Centro Internacional de Agricultura Tropical. Programa de Frijol: Informe Anual 1985 . CIAT, Cali, CO. p. 61-77. (Documento de trabajo no. 15)
    Permanent link to cite or share this item: https://hdl.handle.net/10568/82189
    External link to download this item: http://ciat-library.ciat.cgiar.org/Articulos_Ciat/Digital/SB123.E9C.2_An_exchange_of_experiences_from_South_and_South_East_Asia.pdf#page=325
    Abstract/Description
    Evaluations of host-plant resistance to Empoasca kraemeri, bruchids, and Apion godmani continued in 1985. Leafhopper-resistant breeding lines from 5 cycles were evaluated in the field to determine whether advances in overall resistance levels had been obtained over cycles of selection. The identification of wild Phaseolus vulgaris germplasm from Mexico with high levels of resistance to bruchids formed the bases of a bruchid breeding program, resulting in the development of 7 bean lines (coded BRU 3- 10) with intermediate to high levels of resistance to Acanthoscelides obtectus and Zabrotes subfasciatus. Concerning A. godmani, a preliminary Apion nursery (2 replications) was carried out with 198 lines selected from the 1984 red and black adaptation nurseries. (CIAT)
     
    En 1985 continuaron las evaluaciones de la resistencia de la planta hospedante a Empoasca kraemeri, bruquidos y Apion godmani. Se evaluaron en el campo lineas de 5 ciclos de mejoramiento, resistentes al saltahojas, para determinar si se han logrado avances en los ciclos de seleccion en cuanto a los niveles generales de resistencia. La identificacion de germoplasma silvestre de Phaseolus vulgaris proveniente de Mexico, con altos niveles de resistencia a los bruquidos, formo la base de un programa de mejoramiento, dando como resultado el desarrollo de 7 lineas de frijol (codificadas como BRU 3-10) con niveles intermedios a altos de resistencia a Acanthoscelides obtectus y Zabrotes subfasciatus. En relacion con A. godmani, se realizo un vivero preliminar de Apion (2 replications) con 198 lineas seleccionadas del vivero de adaptacion de frijol rojo y negro de 1984. (CIAT)
     
    AGROVOC Keywords
    phaseolus vulgaris; cultivars; resistance; empoasca kraemeri; apionidae; acanthoscelides obtectus; zabrotes subfasciatus; variedades; resistencia
    Subjects
    BEANS; PESTS AND DISEASES;
    Countries
    Colombia
    Regions
    South America; Latin America
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    • CIAT Book Chapters [2025]

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