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International rice export markets are increasing demands for rapid improvements in grain quality characteristics. The African rice Oryza glaberrima is a new potential source of genes that will enhance the eating, cooking, and milling properties of the rice grain. The objective of this research wa...


Aluko, GKMartínez Racines, César PompilioTohme, Joseph M.Castaño Rodríguez, C.Bergman, C.Oard, JH[QTL mapping of grain quality traits from the interespecific cross Oryza sativa x O. glaberrima]QTL mapping of grain quality traits from the interespecific cross Oryza sativa x O. glaberrima

Angular leaf spot (ALS) is one of the most devastating diseases of common bean (Phaseolus vulgaris L.) in tropical and subtropical countries. The causal fungus, Phaeoisariopsis griseola(Sacc.) Ferr. is highly variable and a diverse source of resistance genes is required to manage this disease. We...


Mahuku, George S.Jara, Carlos E.Cajiao V., César HernandoBeebe, Stephen E.[Sources of resistance to angular leaf spot (Phaeoisariopsis griseola) in common bean core collection, wild Phaseolus vulgaris and secondary gene pool]Sources of resistance to angular leaf spot (Phaeoisariopsis griseola) in common bean core collection, wild Phaseolus vulgaris and secondary gene pool

The samatic chromosome number in Sesbania in Sesbania sesban var. nubica, S. goetzei and S. keniensis (Leguminosae; papilionoidae) was found to be 2n=12. These findings were in agreement with earlier reports on S. sesban and S. keniensis. The chronomosome number 2n=12 is a new record for S. goetz...


Heering, J.H.Hanson, Jean[Karyotype analysis and interspecific hybridisation in three perennial Sesbania species (Leguminosae)]Karyotype analysis and interspecific hybridisation in three perennial Sesbania species (Leguminosae)
Jenny, C.Holtz, Y.Horry, J.P.Bakry, F.[Synthesis of new interspecific triploid hybrids from natural AB germplasm in banana (Musa sp.)]Synthesis of new interspecific triploid hybrids from natural AB germplasm in banana (Musa sp.)
Muñoz Flórez, Ligia CarmenzaBlair, Matthew W.Duque E., Myriam CristinaRoca, William M.Tohme, Joseph M.[Level of introgression in inter-specific (Phaseolus vulgaris x P. acutifolius) congruity-backcross lines]Level of introgression in inter-specific (Phaseolus vulgaris x P. acutifolius) congruity-backcross lines

Estado actual del mejoramiento del arroz mediante la utilización de especies silvestres de arroz en CIAT. Este trabajo presenta el uso de especies silvestres de arroz en la obtención de germoplasma mejorado con mayor potencial de rendimiento y una base genética ampliada. Tres especies silvestres ...


Martínez Racines, César PompilioTohme, Joseph M.López Gerena, J.Borrero Correa, Jaime C.McCouch, Susan R.Roca, William M.Chatel, MGuimaraes, Elcio Perpétuo[Estado actual del mejoramiento del arroz mediante la utilización de especies silvestres de arroz en CIAT]Estado actual del mejoramiento del arroz mediante la utilización de especies silvestres de arroz en CIAT

Congruity and recurrent backcross interspecific hybrids between common bean (Phaseolus vulgaris L.) and tepary bean (P. acutifolius A. Gray) were compared for the amount of introgression occurring between genomes by amplified fragment length polymorphism (AFLP) markers. A total of 60 genotypes we...


Muñoz Flórez, Ligia CarmenzaBlair, Matthew W.Duque E., Myriam CristinaTohme, Joseph M.Roca, William M.[Introgression in common bean x tepary bean interspecific congruity-backcross line as measured by AFLP markers]Introgression in common bean x tepary bean interspecific congruity-backcross line as measured by AFLP markers

This paper summarizes results from a decade of collaborative research using advanced backcross (AB) populations to a) identify quantitative trait loci (QTL) associated with improved performance in rice and to b) clone genes underlying key QTLs of interest. We demonstrate that AB-QTL analysis is c...


McCouch, Susan R.Sweeney, MLi, JJiang, H.Thomson, M.Septiningsih, EMEdwards, J.Moncada, PXiao, J.Garris, AJTai, TMartínez Racines, César PompilioTohme, Joseph M.Sugiono, MMcClung, AYuan, L[Through the genetic bottleneck : O. rufipogon as a source of trait-enhancing alleles for O. sativa]Through the genetic bottleneck : O. rufipogon as a source of trait-enhancing alleles for O. sativa
Jara, Carlos E.Mahuku, George S.Terán Santofimio, HenrySingh, Shree P.[Reaction of common bean lines VAX 4, VAX 5, and VAX6, derived from interspecific hybridization and gene pyramiding, to 20 Xanthomonas campestris pv. phaseoli isolates of different geographical origins]Reaction of common bean lines VAX 4, VAX 5, and VAX6, derived from interspecific hybridization and gene pyramiding, to 20 Xanthomonas campestris pv. phaseoli isolates of different geographical origins

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