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Common bean (Phaseolus vulgaris L.) cultivars are distinguished morphologically, agronomically and ecologically into specific races within each of the two gene pools found for the species (Andean and Mesoamerican). The objective of this study was to describe the race structure of the Mesoamerican...


Díaz, Lucy MilenaBlair, Matthew W.[Race structure within the Mesoamerican gene pool of common bean (Phaseolus vulgaris L.) as determined by microsatellite markers]Race structure within the Mesoamerican gene pool of common bean (Phaseolus vulgaris L.) as determined by microsatellite markers

Over 150 bean (Phaseolus vulgaris) pure lines and accessions were evaluated in growth chamber and greenhouse trials for reactions to one or more populations of root-knot nematodes (Meloidogyne spp.) collected from Colombia or the United States. Bean pure lines and accessions were evaluated for ro...


Mullin, BAAbawi, G.S.Pastor Corrales, Marcial A.Kornegay, Julia L.[Reactions of selected bean pure lines and accessions to Meloidogyne species]Reactions of selected bean pure lines and accessions to Meloidogyne species

In 1993, seed from the EMP series reportedly resistant to leafhoppers (Empoasca Kraemeri Ross & Moore), was obtained from Centro Internacional de Agricultura Tropical (CIAT), South America and planted at Ridgetown, ON. Under severe potato leafhopper, Empoasca fabae (Hams), pressure the selections...


Schaafsma, AWCardona Mejía, CésarKornegay, Julia L.Wylde, AMMichaels, TE[Resistance of common bean lines to the potato leafhopper (Homoptera: Cicadellidae)]Resistance of common bean lines to the potato leafhopper (Homoptera: Cicadellidae)
Miklas, PNSingh, Shree P.Kelly, James D.[Registration of anthracnose-resistant pinto bean germplasm line USPT-ANT-1]Registration of anthracnose-resistant pinto bean germplasm line USPT-ANT-1

Legumes provide essential micronutrients that are found only in low amounts in the cereals or root crops. An ongoing project at CIAT has shown that the legume common bean is variable in the amount of seed minerals (iron, zinc, and other elements), vitamins, and sulfur amino acids that they contai...


Blair, Matthew W.Astudillo, CarolinaRengifo, JBeebe, Stephen E.Graham, R[QTL analyses for seed iron and zinc concentrations in an intra-genepool population of Andean common beans (Phaseolus vulgaris L.)]QTL analyses for seed iron and zinc concentrations in an intra-genepool population of Andean common beans (Phaseolus vulgaris L.)
Singh, Shree P.Terán Santofimio, HenryGutiérrez, J.A.Pastor Corrales, Marcial A.Schwartz, Howard F.Morales, Francisco José[Registration of A 339, MAR 1, MAR 2, and MAR 3 angular-leaf-spot-and anthracnose-resistant common bean germplasm]Registration of A 339, MAR 1, MAR 2, and MAR 3 angular-leaf-spot-and anthracnose-resistant common bean germplasm
Blair, Matthew W.Beaver, James S.Nin, JCProphete, ESingh, Shree P.[Registration of PR9745-232 and RMC-3 red-mottled dry bean germplasm lines with resistance to bean golden yellow mosaic virus]Registration of PR9745-232 and RMC-3 red-mottled dry bean germplasm lines with resistance to bean golden yellow mosaic virus

Common bean (Phaseolus vulgaris L.) is nodulated by a heterogeneous group of Rhizobium strains. In a search for host plant restriction of nodulation by some of these strains, 50 wild and cultivated bean accessions were evaluated for the length of time taken to form effective nodules with three di...


Kipe-Nolt, Judith A.Montealegre, CMTohme, Joseph M.[Restriction of nodulation by the broad host range Rhizobium tropici strain CIAT899 in wild accessions of Phaseolus vulgaris L.]Restriction of nodulation by the broad host range Rhizobium tropici strain CIAT899 in wild accessions of Phaseolus vulgaris L.

A total of 20,144 common bean (Phaseolus vulgaris) accessions were evaluated in the field at CIAT-Popayan, Colombia, with a mixture of local isolates of the anthracnose pathogen, Colletotrichum lindemuthianum. Of these, 4,939 (24.5%) accessions were resistant, and another 4,410(2l .9%) showed an ...


Pastor Corrales, Marcial A.Otoya, María MercedesMolina Castaneda, A[Resistance to Colletotrichum lindemuthianum isolates from middle America and Andean South America in different common bean races]Resistance to Colletotrichum lindemuthianum isolates from middle America and Andean South America in different common bean races
Silva, L.O. daMoraes, E.A. deAidar, HThung, Michael D.Gutiérrez, J.A.Terán Santofimio, HenryMorales, Francisco JoséPastor Corrales, Marcial A.Schwartz, Howard F.Singh, Shree P.[Registration of 'EMGOPA 201-ouro' common bean]Registration of 'EMGOPA 201-ouro' common bean

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