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Se presentan los resultados de las investigaciones en frijol de la unidad de biotecnologia del CIAT. Los estudios fueron principalmente sobre: hibridizacion interespecifica, recombinacion entre reservas geneticas, regeneracion de plantas a partir de cultivo de celulas, transformacion genetica, ma...


International Center for Tropical Agriculture[Phaseolus beans]Phaseolus beans

The collection of Phaseolus of the CIAT Genetic Resources Unit reached a total of 34,312 accessions in 1984. Of these, 89.0 percent corresponds to P. vulgaris, 7.0 percent to P. lunatus, 3.5 percent to P. coccineus, 0.6 percent to P. acutifolius, and 0.2 percent to wild noncultivated species. An ...

La coleccion de Phaseolus de la Unidad de Recursos Geneticos del CIAT alcanzo un total de 34,312 accesiones en 1984. De estas, el 89.0 por ciento corresponde a P. vulgaris, 7.0 por ciento a P. lunatus, 3.5 por ciento a P. coccineus, 0.6 por ciento a P. acutifolius y 0.2 por ciento a especies silv...


International Center for Tropical Agriculture[Recolección, multiplicación y distribución de germoplasma]Recolección, multiplicación y distribución de germoplasma
Crespo Muñoz, SergioRivera Peña, MarielaRosero Alpala, Deisy AlexandraMuñoz Flórez, Jaime EduardoRao, Idupulapati M.Muñoz Flórez, Ligia Carmenza[Pollen viability of Tepary bean (Phaseolus acutifolius A. Gray.) mutant lines under water stress conditions and inoculation with rhizobia = Viabilidad polínica de líneas mutantes de fríjol tépari (Phaseolus acutifolius A. Gray.) bajo condiciones de estrés hídrico e inoculación con rizobios]Pollen viability of Tepary bean (Phaseolus acutifolius A. Gray.) mutant lines under water stress conditions and inoculation with rhizobia = Viabilidad polínica de líneas mutantes de fríjol tépari (Phaseolus acutifolius A. Gray.) bajo condiciones de estrés hídrico e inoculación con rizobios

Phaseolus beans are distributed worldwide and are cultivated in the tropics, subtropics, and temperate zones. The common bean is the most important grain legume for direct human consumption in the world. The objectives of this study were to isolate microsatellite repeats and to establish their di...


Gaitán Solís, ElianaDuque E., Myriam CristinaEdwards, K.J.Tohme, Joseph M.[Microsatellite repeats in common bean (Phaseolus vulgaris L.) : Isolation, characterization, and cross-species amplification in Phaseolus ssp]Microsatellite repeats in common bean (Phaseolus vulgaris L.) : Isolation, characterization, and cross-species amplification in Phaseolus ssp

A reproducible Agrobacterium tumefaciens-mediated genetic transformation method that delivers fertile and morphologically normal transgenic plants was developed for cultivated tepary bean (Phaseolus acutifolius L. Gray). Factors contributing to higher transformation efficiencies include (1) a low...


Zambre, MGoossens, ACardona Mejía, CésarMontagu, M. vanTerryn, NAngenon, G[A reproducible genetic transformation system for cultivated Phaseolus acutifolius (tepary bean) and its use to assess the role of arcelins in resistance to the Mexican bean weevil]A reproducible genetic transformation system for cultivated Phaseolus acutifolius (tepary bean) and its use to assess the role of arcelins in resistance to the Mexican bean weevil

More than 60 accessions of tepary bean (Phaseolus acutifolius) and five cultivars of common bean (P. vulgaris) were evaluated for disease reactions to different races of wilt-causing Fusarium (F. oxysporum f. sp. phaseoli) under glasshouse conditions; 95% of the tepary accessions were resistant. ...


Salgado, MOSchwartz, Howard F.Brick, Mark A.Pastor Corrales, Marcial A.[Resistance to Fusarium oxysporum f. sp. phaseoli in tepary beans (Phaseolus acutifolius)]Resistance to Fusarium oxysporum f. sp. phaseoli in tepary beans (Phaseolus acutifolius)
Autor: Hulet, H.

Essai d'introduction de legumineuses reputees pour leur resistance a la secheresse en vue d'une diversification des productions en fanes et en grains dans les zones semi-arides du Mali, avec accent sur le niebe (Vigna unguiculata), legumineuse la mieux adaptee aux conditions de culture de la zone...


Hulet, H.[Essai de comportement de legumineuses diverses en conditions de culture pluviale dans la zone semi-aride du Mali: resultats de la campagne agricole 1983]Essai de comportement de legumineuses diverses en conditions de culture pluviale dans la zone semi-aride du Mali: resultats de la campagne agricole 1983

Wild tepary beans (Phaseolus acutifolius) contain arcelins and arcelin-like (ARL2) proteins that are co-expressed with other proteins of the arcelin, α-amylase inhibitors and phytohemagglutinins (APA) locus. Arcelin and ARL2 protein from a wild tepary bean accession G40199 were transferred into c...


Kusolwa, PMMyersm, JR[Seed storage proteins ARL2 and its variants from the apalocus of wild tepary bean G40199 confers resistance to acanthoscellides obtectus when expressed in common beans]Seed storage proteins ARL2 and its variants from the apalocus of wild tepary bean G40199 confers resistance to acanthoscellides obtectus when expressed in common beans

During 1986 the emphasis on the acquisition of Phaseolus germplasm continued to be directed to land races and wild species. In addition to intensive expeditionary work in Latin America, several interesting materials from Europe, Asia, and Africa were received. Of the last batch of 6000 new access...

Durante 1986 el enfasis en la adquisicion de germoplasma de Phaseolus se siguio dirigiendo a razas nativas y especies silvestres. Ademas de un trabajo expedicionario intensivo en America Latina, se recibieron varios materiales interesantes de Europa, Asia y Africa. Del ultimo lote de 6000 accesio...


International Center for Tropical Agriculture[Actividades con germoplasma de frijol. Colección, multiplicación y distribución de germoplasma]Actividades con germoplasma de frijol. Colección, multiplicación y distribución de germoplasma

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