All commercially grown bean var. in Central America of small shiny red grain type are susceptible to one or more strains of BCMV. An attempt was made to recombine the important var. characteristics of var. such as Honduras 46, Rojo Zamorano, Nahuizalco, Rojo de Seda, and Desarrural, in addition t...
Temple, Steven R.
,
Morales, Francisco José
,
[Conversion de cultivares de frijol (P. vulgaris) susceptibles al BCMV, a cultivares resistentes mediante la incorporacion de la resistencia hipersensible]
,
Conversion de cultivares de frijol (P. vulgaris) susceptibles al BCMV, a cultivares resistentes mediante la incorporacion de la resistencia hipersensible
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
,
Cardona Mejía, César
,
Schoonhoven, Aart van
,
[Orientacion del mejoramiento de frijol en los climas calidos]
,
Orientacion del mejoramiento de frijol en los climas calidos
The symptomatology and control measures of BCMV, BYMV, BGMV, and bean chlorotic mottle virus are briefly described. General aspects regarding the genetic control of viruses and the use of chemicals to control insect vectors are discussed. Some bean lines and/or var. resistant to BCMV, BGMV, and b...
Se describen brevemente la sintomatologia y las medidas de control del BCMV, BYMV, BGMV y el virus del moteado clorotico del frijol. Se discuten aspectos generales sobre el control genetico de los virus y el uso de quimicos para controlar los insectos vectores. Se mencionan tambien algunas lineas...
One necrosis-inducing strain and four mosaic-inducing strains of bean common mosaic virus (BCMV) were differentially seed-transmitted in 14 mosaic-susceptible bean (Phaseolus vulgaris) cultivars. Dubbele Witte, Redlands Greenleaf B, Michelite, Sanilac, and Red Mexican 35 consistently transmitted ...
Morales, Francisco José
,
Castaño, M.
,
[Seed transmission characteristics of selected bean common mosaic virus strains in differential bean cultivars]
,
Seed transmission characteristics of selected bean common mosaic virus strains in differential bean cultivars
Bean germplasm was evaluated at CIAT for resistance to BCMV strains NL-4, NL-3, and NL-5 in order to use them in the national breeding and selection programs in Africa, Europe, USA, and Chile. Ninety-eight lines were selected for an international Bean Common Mosaic/Black Root resistance nursery. ...
Methods used to identify BCMV are described in terms of symptomatology (common mosaic, black root); transmission (seed, insect, manual); responses of differential bean cv. (mosaic, systemic or local necrosis, local lesions, immunity); cytology (light and electron microscopy); purification and ser...
BCMV causes losses of up to 50 percent and produces mosaic and systemic necrosis on the plant. It is seed borne and several species of aphids are vectors; it is transmitted mechanically with relative facility. A description is given of the methodology used by CIAT to identify and manage the virus...
Morales, Francisco José
,
[El mosaico comun del frijol (Bean common mosaic virus) : Metodologia de investigacion y tecnicas de control]
,
El mosaico comun del frijol (Bean common mosaic virus) : Metodologia de investigacion y tecnicas de control
Three comoviruses isolated from diseased bean plants in Brazil (CV-BZ), Venezuela (CV-VZ), and Honduras (CV-HD) were inoculated to 53 bean genotypes possessing or lacking the dominant alleles of the necrosis (I) gene, which conditions resistance to bean common mosaic virus (BCMV). These comovirus...
Morales, Francisco José
,
Castaño, M.
,
[Increased disease severity induced by some comoviruses in bean genotypes possessing monogenic dominant resistance to bean common mosaic potyvirus]
,
Increased disease severity induced by some comoviruses in bean genotypes possessing monogenic dominant resistance to bean common mosaic potyvirus