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      Resistencia genética al Virus del Arrugamiento Foliar del Fríjol transmitido por Bemisia tabaci (Hemiptera: Aleyrodidae) Translated title: Genetic resistance to Bean Leaf Crumple Virus transmitted by Bemisia tabaci (Hemiptera: Aleyrodidae)

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          Abstract

          Desde 2002, los cultivos de fríjol habichuela (Phaseolus vulgaris) de la parte plana del Valle del Cauca han sido afectados por el Virus del Arrugamiento Foliar del Fríjol (Begomovirus: Geminiviridae) agente causal de una nueva y severa enfermedad, transmitido por el biotipo B de la mosca blanca, Bemisia tabaci. Se investigó la relación virus-vector utilizando genotipos de fríjol común seleccionados como posibles fuentes de resistencia. Se determinó la eficiencia de transmisión del virus usando diferente número de insectos adultos, hembras y machos, por planta. En la variedad susceptible Top Crop, se logró la transmisión del virus a partir de un adulto por planta y el porcentaje de plantas infectadas aumentó con el número de adultos por planta. Sin embargo, a partir de 15 individuos, el incremento en la incidencia del virus no fue significativo. Las hembras y machos del biotipo A fueron más eficientes en la transmisión del virus que los del biotipo B. Los genotipos evaluados exhibieron diferentes niveles de resistencia, siendo los materiales de fríjol negro los más resistentes. Se confirma la existencia de fuentes de resistencia al Virus del Arrugamiento Foliar del Fríjol lo que permitiría introducir resistencia genética a este virus en el fríjol habichuela cultivado en el Valle del Cauca.

          Translated abstract

          Since 2002, snap bean (Phaseolus vulgaris) plantings in the Cauca Valley department of Colombia have been severely affected by Bean Leaf Crumple Virus (Begomovirus: Geminiviridae) transmitted by the biotype B whitefly, Bemisia tabaci. The virus-vector relationship was studied using common bean genotypes selected as potential sources of resistance. Transmission efficiency of the virus was determined using different numbers of adult insects, males and females, per plant. In the susceptible variety Top Crop, virus transmission was achieved by a single adult per plant and the proportion of infected plants increased with the number of adults per plant. Above 15 adults per plant, however, increase in the incidence of the virus was not significant. Males and females of B. tabaci biotype A were more efficient in transmission of the virus than those of biotype B. The genotypes evaluated exhibited different levels of resistance, with the black bean materials being the most resistant. The existence of sources of resistance to Bean Leaf Crumple Virus is confirmed, which will permit the introduction of genetic resistance to this virus in snap bean varieties grown in the Cauca Valley.

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          The Bemisia tabaci species complex

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            The circulative pathway of begomoviruses in the whitefly vector Bemisia tabaci - insights from studies with Tomato yellow leaf curl virus

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              Variation in biological characteristics and esterase patterns among populations of Bemisia tabaci, and the association of one population with silverleaf symptom induction

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                Author and article information

                Journal
                rcen
                Revista Colombiana de Entomología
                Rev. Colomb. Entomol.
                Sociedad Colombiana de Entomología (Bogotá, Distrito Capital, Colombia )
                0120-0488
                2665-4385
                June 2011
                : 37
                : 1
                : 8-15
                Affiliations
                [03] Cali orgnameUniversidad del Valle Colombia james.montoya@ 123456correounivalle.edu.co
                [02] orgnameCentro Internacional de Agricultura Tropical Colombia fmorales@ 123456cgiar.org
                [01] Cali orgnameCentro Internacional de Agricultura Tropical Colombia
                Article
                S0120-04882011000100002 S0120-0488(11)03700102
                8b148dd6-b770-4b64-be15-bd74fb8c1f61

                This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

                History
                : 21 January 2011
                : 09 December 2009
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 34, Pages: 8
                Product

                SciELO Colombia

                Self URI: Texto completo solamente en formato PDF (ES)
                Categories
                Sección agrícola

                Colombia,Biotypes,Begomovirus,Whitefly,Eficiencia de transmisión,Biotipos,Mosca blanca,Transmission efficiency

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