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National bean variety trial
| Content Provider | Consultative Group on International Agricultural Research (CGIAR) |
|---|---|
| Organization | National Bean Programme |
| Spatial Coverage | Malawi [MW] |
| Description | 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 as well as a greater no. of seeds/pod (4.0-5.3). Seed size of the assessed genotypes varied from 24.2 to 58.1 g/100 seeds. In Mzuzu, genotypes A286, A344, 29 x P692, Phalombe, and Nsaka gave significantly higher seed yields. CIAT genotypes A344 and A286 yielded significantly higher than the other genotypes (1140 and 1424 kg/ha, resp.); their superior performance was attributed to their degree of resistance to diseases such as angular leaf spot, CBB, floury leaf spot, and web blight. In Malawi, however, kidney beans are preferred; therefore the direct release of these genotypes should not be considered. They can be used instead as parental material. Promising var. of the Malawi germplasm collection were 2-10 x 8-7, 25-2 x 8-7, 8-7, and Phalombe. (CIAT) 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, 25-2 y 25-2 x 8- 7 y tambien un mayor no. de semillas/vaina (4.0-5.3). El tamano de semillas de los genotipos evaluados vario entre 24.2 a 58.1 g/100 semillas. En Mzuzu, A286, A344, 29 x P692, Phalombe y Nsaka presentaron rendimientos de semilla significativamente mayores. Los genotipos del CIAT A344 y A286 presentaron rendimientos significativamente mayores que los demas genotipos (1140 y 1424 kg/ha, resp.); la superioridad de estos genotipos se atribuyo al nivel de resistencia a las enfermedades como mancha foliar angular, CBB, mancha harinosa de la hoja y mustia hilachosa. En Malawi, sin embargo, prefieren el frijol arrinonado. Por tanto, no se considera la liberacion directa de estos genotipos. Pueden ser utilizados como genitores. Las var. promisorias del germoplasma de Malawi fueron 2-10 x 8-7, 25-2 x 8-7, 8-7 y Phalombe. (CIAT) |
| Related Links | https://cgspace.cgiar.org/items/8ffd3a9c-c631-4721-b938-105da3c8b0ae |
| File Format | |
| Language | English |
| Publisher | National Bean Programme Bunda College of Agriculture |
| Publisher Date | 1990-01-01 |
| Publisher Place | Lilongwe, MW |
| Access Restriction | Open |
| Subject Keyword | Phaseolus Vulgaris Cultivars Regional Trials Yields Resistance Isariopsis Griseola Xanthomonas Campestris Phaseoli Ramularia Phaseoli Rhizoctonia Solani Bacterial Diseases Diseases and Pathogens Mycoses Pests Ensayos Regionales Rendimiento Resistencia Beans Pests AND Diseases |
| Content Type | Text |
| Resource Type | Chapter |
| Subject | Agronomy and Crop Science Food Science Plant Science |
