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High levels of resistance to Apion godinani Wagner have been reported in bean, Phaseolus vulgaris L., landraces from Mexico. We report on the role of hypersensitivity to A. godmani in five resistant and three susceptible bean genotypes. In susceptible genotypes (cultivars 'Canario 107','Jamapa', ...


Garza García, RamónVera, JCardona Mejía, CésarBarcenas Ortega, NMSingh, Shree P.[Hypersensitive response of beans to Apion Godmani (Coleoptera: Curculionidae)]Hypersensitive response of beans to Apion Godmani (Coleoptera: Curculionidae)

The bean-pod weevil (BPW), Apion godmani Wagner, often causes heavy losses in crops of common bean (Phaseolus vulgaris L.). Farmers need resistant bean cultivars to minimize losses, cut production costs, stabilize seed yield, and reduce pesticide use and consequent health hazards. To design effec...


Garza García, RamónCardona Mejía, CésarSingh, Shree P.[Inheritance of resistance to the bean-pod weevil (Apion godmani Wagner) in common beans from Mexico]Inheritance of resistance to the bean-pod weevil (Apion godmani Wagner) in common beans from Mexico

The genetic basis of the photoperiod response in common bean (Phaseolus vulgaris L.) was investigated using DNA markers and recombinant inbred populations. Two loci affecting photoperiod response were resolved, the previously defined primary locus (Ppd), at which the dominant allele confers sensi...


Gu, WKZhu, JQWallace, D.H.Singh, Shree P.Weeden, N[Analysis of genes controlling photoperiod sensitivity in common bean using DNA markers]Analysis of genes controlling photoperiod sensitivity in common bean using DNA markers

Eighty-three F2-derived F8 recombinant inbred lines (RILs) randomly selected from a population (TY 8419) of two common bean genotypes (Pinto UI 114 x ICA Pijao), the two parents, and a control cultivar (Topcrop) were screened for their reaction to bean golden mosaic virus (BGMV) under glasshouse ...


Morales, Francisco JoséSingh, Shree P.[Breeding for resistance to bean golden mosaic virus in an interracial population of Phaseolus vulgaris L]Breeding for resistance to bean golden mosaic virus in an interracial population of Phaseolus vulgaris L
Singh, Shree P.Debouck, Daniel G.Roca, William M.[Successful interspecific hybridization between Phaseolus vulgaris L. and P. costaricensis Freytag & Debouck]Successful interspecific hybridization between Phaseolus vulgaris L. and P. costaricensis Freytag & Debouck
Singh, Shree P.Urrea, Carlos A.[Inheritance of cordate and hastate trifoliolate leaves in common bean (Phaseolus vulgaris L.)]Inheritance of cordate and hastate trifoliolate leaves in common bean (Phaseolus vulgaris L.)

Nineteen early maturing, indeterminate common bean parents were crossed with a tester line of normal maturity. All parents, F1 hybrids, F2's, and backcross generations were evaluated at CIAT-Palmira, Colombia. All 19F1 populations flowered and matured almost as early as the respective early paren...


White, Jeffrey W.Singh, Shree P.[Sources and inheritance of earliness in tropically adapted indeterminate common beans]Sources and inheritance of earliness in tropically adapted indeterminate common beans
Rosales Serna, RigobertoGutiérrez, J.A.Singh, Shree P.[Selección por rendimiento en generaciones avanzadas de frijol bajo estrés de humedad]Selección por rendimiento en generaciones avanzadas de frijol bajo estrés de humedad
Rosales Serna, RigobertoGutiérrez, J.A.Singh, Shree P.[Evaluación y selección por rendimiento en poblaciones segregantes de frijol común bajo estrés hídrico]Evaluación y selección por rendimiento en poblaciones segregantes de frijol común bajo estrés hídrico

If we are to breed common bean (Phaseolus vulgaris L.) for durable resistance to diseases, we must understand pathogenic variation and find sources of resistance. Our first objective was to determine the patterns of pathogenic variation found among isolates of Phaeoisariopsis griseola (PG), the f...


Pastor Corrales, Marcial A.Jara, Carlos E.Singh, Shree P.[Pathogenic variation in, sources of, and breeding for resistance to Phaeoisariopsis griseola causing angular leaf spot in common bean]Pathogenic variation in, sources of, and breeding for resistance to Phaeoisariopsis griseola causing angular leaf spot in common bean

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