Mejoramiento genético. Mejoramiento de caracteres. Entomología

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 identific...

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Autor principal: International Center for Tropical Agriculture
Formato: Capítulo de libro
Lenguaje:Español
Publicado: International Center for Tropical Agriculture 1986
Materias:
Acceso en línea:https://hdl.handle.net/10568/82189
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author International Center for Tropical Agriculture
author_browse International Center for Tropical Agriculture
author_facet International Center for Tropical Agriculture
author_sort International Center for Tropical Agriculture
collection Repository of Agricultural Research Outputs (CGSpace)
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)
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spelling CGSpace821892025-11-05T16:57:35Z Mejoramiento genético. Mejoramiento de caracteres. Entomología International Center for Tropical Agriculture phaseolus vulgaris cultivars resistance empoasca kraemeri apionidae acanthoscelides obtectus zabrotes subfasciatus variedades resistencia 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) 1986 2017-06-20T09:01:18Z 2017-06-20T09:01:18Z Book Chapter https://hdl.handle.net/10568/82189 es Open Access application/pdf International Center for Tropical Agriculture 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)
spellingShingle phaseolus vulgaris
cultivars
resistance
empoasca kraemeri
apionidae
acanthoscelides obtectus
zabrotes subfasciatus
variedades
resistencia
International Center for Tropical Agriculture
Mejoramiento genético. Mejoramiento de caracteres. Entomología
title Mejoramiento genético. Mejoramiento de caracteres. Entomología
title_full Mejoramiento genético. Mejoramiento de caracteres. Entomología
title_fullStr Mejoramiento genético. Mejoramiento de caracteres. Entomología
title_full_unstemmed Mejoramiento genético. Mejoramiento de caracteres. Entomología
title_short Mejoramiento genético. Mejoramiento de caracteres. Entomología
title_sort mejoramiento genetico mejoramiento de caracteres entomologia
topic phaseolus vulgaris
cultivars
resistance
empoasca kraemeri
apionidae
acanthoscelides obtectus
zabrotes subfasciatus
variedades
resistencia
url https://hdl.handle.net/10568/82189
work_keys_str_mv AT internationalcenterfortropicalagriculture mejoramientogeneticomejoramientodecaracteresentomologia