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Common bean (Phaseolus vulgaris L.) is an important food legume in Latin America, Asia and Africa. It is an important source of protein, carbohydrates and micro-minerals, particularly for smallholder farmers. Common bean productivity is affected by angular leaf spot (ALS) disease caused by the pa...


Gil, JuanitaSolarte, DianaLobaton, Juan DavidMayor, VictorBarrera, SantosJara, Carlos E.Beebe, Stephen E.Raatz, Bodo[Fine‑mapping of angular leaf spot resistance gene Phg‑2 in common bean and development of molecular breeding tools]Fine‑mapping of angular leaf spot resistance gene Phg‑2 in common bean and development of molecular breeding tools
Mahuku, George S.Jara, Carlos E.Terán Santofimio, HenryBeebe, Stephen E.[Inheritance of angular leaf spot resistance in selected common bean genotypes]Inheritance of angular leaf spot resistance in selected common bean genotypes

La mancha angular del frijol común, Phaseolus vulgaris L., es causada por el hongo Phaeoisariopsis griseola (Sacc.) Ferraris. Esta enferme dad esta ampliamente distribuida en las zonas tropicales y subtropica les y afecta la calidad de las vainas, reduce el peso de la semilla y puede causar eleva...


Jara, Carlos E.Castellanos, G.Mahuku, George S.[Estado actual y proyección de la investigación relacionada con mancha angular del frijol (Phaeoisariopsis griseola)]Estado actual y proyección de la investigación relacionada con mancha angular del frijol (Phaeoisariopsis griseola)
Mahuku, George S.Iglesias Garcia, AMJara, Carlos E.[Genetics of angular leaf spot resistance in the Andean common bean accession G5686 and identification of markers linked to the resistance genes]Genetics of angular leaf spot resistance in the Andean common bean accession G5686 and identification of markers linked to the resistance genes

The genetic and virulence variability of 112 isolates of Phaeoisariopsis griseola, collected from various locations in Central America, were studied using seven random amplified polymorphic DNA (RAPD) primers and 12 common-bean differential genotypes. Broad molecular diversity (H = 0·92) among is...


Mahuku, George S.Jara, Carlos E.Cuasquer, Juan B.Castellanos, G.[Genetic variability within Phaeoisariopsis griseola from Central America and its implications for resistance breeding of common bean]Genetic variability within Phaeoisariopsis griseola from Central America and its implications for resistance breeding of common bean

A polymerase chain reaction approach using degenerate primers that targeted the conserved domains of cloned plant disease resistance genes (R genes) was used to isolate a set of 15 resistance gene analogs (RGAs) from common bean (Phaseolus vulgaris). Eight different classes of RGAs were obtained ...


López, C.E.Acosta, I.F.Jara, Carlos E.Pedraza García, FabioGaitán Solís, ElianaGallego Sánchez, Gerardo J.Beebe, Stephen E.Tohme, Joseph M.[Identifying resistance gene analogs associated with resistances to different pathogens in common beans]Identifying resistance gene analogs associated with resistances to different pathogens in common beans
Mahuku, George S.Henriquez Naranjo, MAMontoya Jaramillo, CJara, Carlos E.Terán Santofimio, HenryBeebe, Stephen E.[Inheritance and development of molecular markers linked to angular leaf spot resistance genes in the common bean accession G10909]Inheritance and development of molecular markers linked to angular leaf spot resistance genes in the common bean accession G10909
Chacón Sánchez, María I.Jara, Carlos E.Castellanos, G.Posso G, CEBuruchara, Robin A.Cuasquer, Juan B.Pastor Corrales, Marcial A.[Genetic diversity and relation between common bean angular leaf spot fungus isolates from Africa and South America: genetic improvement implications]Genetic diversity and relation between common bean angular leaf spot fungus isolates from Africa and South America: genetic improvement implications

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

It is widely accepted that two major gene pools exist in cultivatedcommon bean, one Middle American and one Andean. Recently another gene pool,designated as North Andean and a fourth group (not considered to be adistinct gene pool) have been reported by the senior author and hiscolleagues. Many o...


Islam, F.M.A.Basford, KEJara, Carlos E.Redden, RJBeebe, Stephen E.[Seed compositional and disease resistance differences among gene pools in cultivated common bean]Seed compositional and disease resistance differences among gene pools in cultivated common bean

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