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Two trials were conducted to screen germplasm for heat and drought tolerance. In the 1st, the performance of 25 genotypes under terminal drought stress was assessed. Lines A344, A268, A286, BAT 336, A442, BAT 477, Umvoti, and Domino were high-yielding (811, 750, 713, 717, 665, 659, 608, and 667 k...

Se realizaron 2 ensayos para seleccionar germoplasma por tolerancia al calor y a la sequia. En el primero, se evaluo el desempeno de 25 genotipos a estres de sequia terminal. Los genotipos con las producciones mas altas (kg/ha), tolerantes a calor y sequia, fueron A344 (811), A268 (750), A286 (71...

The yield of South African bean lines was assessed in Malawi, using 3 groups with 15 genotypes each. In the 1st trial, carried out in 4 different agroecological zones, Carioca 80 was the best genotype with high yields at all sites (712-1768 kg/ha) and resistant to angular leaf spot and rust. Othe...

Se evaluo el rendimiento de lineas de frijol sudafricanas en Malawi, utilizando 3 grupos con 15 genotipos cada uno. En el primer ensayo, realizado en 4 zonas agroecologicas diferentes, el mejor genotipo fue Carioca 80 con altos rendimientos en todos los sitios (712-1768 kg/ha), con resistencia a ...

A plant breeding program was developed, consisting of the following stages: (1) hybridization for disease resistance; (2) adaptation trial, and (3) screening for resistance. Several variations of Isariopsis griseola existing in Malawi as well as sources of resistance to this fungus were identifie...

Se desarrollo un programa de mejoramiento de frijol siguiendo 1) etapa de hibridizacion por resistencia a enfermedades; 2) ensayo de adaptacion y 3) seleccion por resistencia. Se identificaron algunas variaciones de Isariopsis griseola existentes en Malawi y fuentes de resistencia a este hongo en...

Trials were carried out in 7 regions of Malawi (Chitipa, Rumphi, Mzuzu, Mzimba, Liliongwe, Dedza, and Thyolo) with 12 bean genotypes. In Dedza, yields varied from 1305 to 3204 kg/ha; genotypes 21-5, A286, A344, 25-2 x 8-7 gave significantly higher yields than genotypes 5-2, 25-2, and 25-2 x 8-7 a...

Se realizaron ensayos en 7 regiones de Malawi (Chitipa, Rumphi, Mzuzu, Mzimba, Liliongwe, Dedza y Thyolo) de 12 genotipos de frijol. En Dedza los rendimientos variaron de 1305 a 3240 kg/ha; los genotipos 21-5, A286, A344 y 25-2 x 8-7 presentaron rendimientos significativamente mas altos que 5-2, ...