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White mold caused by the necrotrophic fungus Sclerotinia sclerotiorum (Lib.) de Bary limits common bean (Phaseolus vulgaris L.) production in temperate climates. Disease resistance has been identified, but breeding is hampered by a paucity of resistance sources and complex inheritance, as numerou...


Soule, MPorter, LMedina, JISantana, GPBlair, Matthew W.Miklas, PN[Comparative QTL map for white mold resistance in Common Bean, and characterization of partial resistance in dry bean lines VA19 and I9365-31]Comparative QTL map for white mold resistance in Common Bean, and characterization of partial resistance in dry bean lines VA19 and I9365-31

Three RFLP maps, as well as several RAPD maps have been developed in common bean (Phaseolus vulgaris L.). In order to align these maps, a core linkage map was established in the recombinant inbred population BAT93×Jalo EEP558 (BJ). This map has a total length of 1226?cM and comprises 563 markers,...


Freyre, R.Skroch, PWGeffroy, VAdam-Blondon, Anne-FrançoiseShirmohamadali, AJohnson, William C.Llaca, VNodari, ROPereira, PATsai, Siu MuiTohme, Joseph M.Dron, MichelNienhuis, JamesVallejos, C. EduardoGepts, Paul L.[Towards an integrated linkage map of common bean. 4. Development of a core linkage map and alignment of RFLP maps]Towards an integrated linkage map of common bean. 4. Development of a core linkage map and alignment of RFLP maps

Los genes de resistencia se buscaron mediante dos estrategias. La primera, por medio de hibridización con sondas de maíz y arroz, utilizando RFLP. La segunda consistió en la amplificación de regiones conservadas de ADN, con cebadores degenerados NBS y Pto kinasa, en tres genotipos de yuca resiste...


Llano Rodríguez, Germán AlbertoÁlvarez, E.Muñoz, J.E.Fregene, Martin A.[Identificación de genes análogos de resistencia a enfermedades en yuca, Manihot esculenta Crantz, y su relación con la resistencia a tres especies de Phytophthora]Identificación de genes análogos de resistencia a enfermedades en yuca, Manihot esculenta Crantz, y su relación con la resistencia a tres especies de Phytophthora

Cassava bacterial blight (CBB), caused by Xanthomonas axonopodis pv. manihotis (Xam), is a major disease of cassava (Manihot esculenta Crantz) in Africa and South America. Planting resistant varieties is the preferred method of disease control. Recent genetic mapping of an F1 cross (TMS 30572 × C...


Jorge, VFregene, Martin A.Duque E., Myriam CristinaBonierbale, Merideth W.Tohme, Joseph M.Verdier, Valérie[Genetic mapping of resistance to bacterial blight disease in cassava (Manihot esculenta Crantz)]Genetic mapping of resistance to bacterial blight disease in cassava (Manihot esculenta Crantz)

Four multiplex panels of fluorescent-labeled rice microsatellite markers were designed to survey allelic diversity at a total of 27 simple sequence repeat loci. Automated fragment detection, size calling and binning were used to identify the microsatellite alleles. The panels were tested on 72 ac...


Blair, Matthew W.Hedetale, VMcCouch, Susan R.[Fluorescent-labeled microsatellite panels useful for detecting allelic diversity in cultivated rice (Oryza sativa L.)]Fluorescent-labeled microsatellite panels useful for detecting allelic diversity in cultivated rice (Oryza sativa L.)

Breeding goals of yield increases, root quality improvement, and disease resistance in cassava are considerably slowed down by biological characteristics of the crop, which includes a long growth cycle, a heterozygous genetic background and a poor knowledge of the organization of crop diversity. ...


Fregene, Martin A.Okogbenin, EmmanuelMba, CAngel, F.Suarez, MCGutiérrez A., Janeth PatriciaChavarriaga Aguirre, PaulRoca, William M.Bonierbale, Merideth W.Tohme, Joseph M.[Genome mapping in cassava improvement: Challenges, achievements and opportunities]Genome mapping in cassava improvement: Challenges, achievements and opportunities

The present study describes a new set of 61 polymorphic microsatellite markers for beans and the construction of a genetic map using the BAT93 x Jalo EEP558 (BJ) population for the purpose of developing a reference linkage map for common bean (Phaseolus vulgaris). The main objectives were to inte...


Grisi, MCMBlair, Matthew W.Gepts, Paul L.Brondani, C.Pereira, PAABrondani, Rosana Pereira V.[Genetic mapping of a new set of microsatellite markers in a reference common bean (Phaseolus vulgaris) population BAT93 x Jalo EEP558]Genetic mapping of a new set of microsatellite markers in a reference common bean (Phaseolus vulgaris) population BAT93 x Jalo EEP558

The genetic basis of early bulking in cassava was studied in a replicated, multi-locational trial using 144 F1 progeny derived from an intra-specific cross between two non-inbred parents. A second, sequential harvest experiment examined the relative importance of eight yield-related traits on ear...


Okogbenin, EmmanuelFregene, Martin A.[Genetic analysis and QTL mapping of early root bulking in an F1 population of non-inbred parents in cassava (Manihot esculenta Crantz)]Genetic analysis and QTL mapping of early root bulking in an F1 population of non-inbred parents in cassava (Manihot esculenta Crantz)
Okogbenin, EmmanuelFregene, Martin A.[QTL mapping in an F1 population from non-inbred parents in cassava (Manihot esculenta) : Yield and root quality traits]QTL mapping in an F1 population from non-inbred parents in cassava (Manihot esculenta) : Yield and root quality traits
Fregene, Martin A.Matsumura, HAkano, A.O.Dixon, Alfred G.O.Terauchi, R.[Progress towards cloning the single dominant gene conferring immunity to cassava mosaic disease (CMD)]Progress towards cloning the single dominant gene conferring immunity to cassava mosaic disease (CMD)

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