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Restriction fragment length polymorphisms (RFLPs) were used to study the population genetics and temporal dynamics of the cassava bacterial pathogen Xanthomonas axonopodis pv. manihotis. The population dynamics were addressed by comparing samples collected from 1995 to 1999 from six locations, sp...


Restrepo, S.Velez, C.M.Duque E., Myriam CristinaVerdier, Valérie[Genetic structure and population dynamics of Xanthomonas axonopodis pv. manihotis in Colombia from 1995 to 1999]Genetic structure and population dynamics of Xanthomonas axonopodis pv. manihotis in Colombia from 1995 to 1999

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)

Microsatellite polymorphism was studied in a sample of 39 traditional rice (Oryza sativa L.) varieties and 11 improved varieties widely planted in Cuba. The study was aimed at assessing the extent of genetic variation in traditional and improved varieties and to establish their genetic relationsh...


Álvarez, A.Fuentes, JLPuldon, VGómez, P.J.Mora, LDuque E., Myriam CristinaGallego Sánchez, Gerardo J.Tohme, Joseph M.[Genetic diversity analysis of Cuban traditional rice (Oryza sativa L.) varieties based on microsatellite markers]Genetic diversity analysis of Cuban traditional rice (Oryza sativa L.) varieties based on microsatellite markers

The tropical multipurpose shrub legume Cratylia argentea is well adapted to acid soils of low to medium fertility and has excellent drought-tolerance. Due to its high nutritive value it is particularly suited as forage for dry-season supplementation. A collection of 47 C. argentea accessions in a...


Andersson, Meike S.Schultze-Kraft, RainerPeters, MichaelDuque E., Myriam CristinaGallego Sánchez, Gerardo J.[Extent and structure of genetic diversity in a collection of the tropical multipurpose shrub legume Cratylia argentea (Desv.) O. kuntze as revealed by RAPD markers]Extent and structure of genetic diversity in a collection of the tropical multipurpose shrub legume Cratylia argentea (Desv.) O. kuntze as revealed by RAPD markers

Cultivated common bean germplasm is especially diverse due to the parallel domestication of two genepools in the Mesoamerican and Andean centers of diversity and introgression between these gene pools. Classification into morphological races has helped to provide a framework for utilization of th...


Blair, Matthew W.Díaz, Lucy MilenaBuendía Castellanos, Hector F.Duque E., Myriam Cristina[Genetic diversity, seed size associations and population structure of a core collection of common beans (Phaseolus vulgaris L.)]Genetic diversity, seed size associations and population structure of a core collection of common beans (Phaseolus vulgaris L.)

Several molecular marker systems have been developed for assessing genetic diversity in crop germplasm collections. A trade-off often exists between the number of loci that can feasibly be sampled by a marker system and the amount of information provided by each locus. We compared the usefulness ...


Hurtado Lopez, PXOlsen, KMBuitrago, C.Ospina, C.Marin, JADuque E., Myriam CristinaVicente, M.C. deWongtiem, PrapitWenzl, PeterKillian, AAdekele, M.Fregene, Martin A.[Comparison of simple sequence repeat (SSR) and diversity array technology (DArT) markers for assessing genetic diversity in cassava Manihot esculenta Crantz)]Comparison of simple sequence repeat (SSR) and diversity array technology (DArT) markers for assessing genetic diversity in cassava Manihot esculenta Crantz)
Fory Sánchez, L.F.Velásquez, A.M.González, E.Pineda, RFlórez Varón, J.C.Arcia Moreno, KAQuintero, C.Duque E., Myriam CristinaCorredor Solano, EdgarLentini, Z[Gene flow and introgression analysis from rice into wild/weedy relatives in center of diversity in tropical America]Gene flow and introgression analysis from rice into wild/weedy relatives in center of diversity in tropical America
González Torres, Rosa InésDuque E., Myriam CristinaToro Chica, OrlandoAraya Villalobos, RodolfoDebouck, Daniel G.Tohme, Joseph M.[Gene flow events in phaseolus vulgaris and among species of section phaseoli along their distribution range]Gene flow events in phaseolus vulgaris and among species of section phaseoli along their distribution range
González, E.Fory Sánchez, L.F.Arcia Moreno, KABationo, B. AndréBlanco, AEOrtiz Domínguez, A.Pérez Almeida, IrisDuque E., Myriam CristinaLentini, Z[Genetic diversity analysis of weedy rice and wild oryza species collected in crop-natural ecosystems contact zones]Genetic diversity analysis of weedy rice and wild oryza species collected in crop-natural ecosystems contact zones
Beltrán Giraldo, Jorge AlonsoChavarriaga Aguirre, PaulJaimes Quiñónes, HADuque E., Myriam CristinaTohme, Joseph M.[Quantitative real-time PCR assessment of cassava transgenic plants : Copy number estimation and quantification of gene expression]Quantitative real-time PCR assessment of cassava transgenic plants : Copy number estimation and quantification of gene expression

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