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Phenotyping common beans for adaptation to drought
Efforts to improve common bean for drought tolerance are reviewed, referring to genetic diversity for drought response, the physiology of drought tolerance mechanisms, and breeding strategies.
Improving Common Bean Performance under Drought Stress
The geometric mean of the two moisture regimes was the single strongest indicator of performance under stress and nonstress, and a breeding strategy that involves selection based first on the geometric mean followed by selection based on yield under stress was suggested as the most effective strategy to improve drought resistance in common bean.
Physiological analysis of common bean (Phaseolus vulgaris L.) cultivars uncovers characteristics related to terminal drought resistance.
Variability of Mexican isolates of Macrophomina phaseolina based on pathogenesis and AFLP genotype
84 isolates of M. phaseolina from different plant species in different geographical regions of Mexico were analysed by inoculation on a set of P. vulgaris cultivars differing in reaction to the fungus and by determination of their amplified fragment length polymorphism (AFLP) genotype.
Putative Quantitative Trait Loci for Physical and Chemical Components of Common Bean
- S. Guzmán-Maldonado, O. Martínez, J. Acosta-Gallegos, F. Guevara-Lara, O. Paredes-López
- 1 May 2003
The use of QTL with larger effects could be used to screen segregating populations that include wild genotypes, wild populations, and ancestral landraces from the region where outstanding wild populations are identified.
Biomass distribution, maturity acceleration and yield in drought-stressed common bean cultivars
Prebreeding in Common Bean and Use of Genetic Diversity from Wild Germplasm
The prebreeding efforts will be enhanced by information on gene pool origins, domestication syndrome traits, molecular diversity, and mapping data of the wild forms; (i) indirect screening for biotic and abiotic stresses and (ii) marker-assisted selection.
Protein and mineral content of a novel collection of wild and weedy common bean (Phaseolus vulgaris L)
The wild and weedy beans contained more protein and similar protein digestibility compared with cultivated samples; additionally, beans from Jalisco had higher contents of sulfur amino acids than cultivated ones and beans from Durango showed higher leucine, valine and aromatic amino acids contents than cultivated beans.
Addressing edaphic constraints to bean production: the Bean/Cowpea CRSP project in perspective
A new variant of arcelin in wild common bean, Phaseolus vulgaris L., from southern Mexico
- J. Acosta-Gallegos, C. Quintero, J. Vargas, O. Toro, J. Tohme, C. Cardona
- Environmental ScienceGenetic Resources and Crop Evolution
- 1 June 1998
A new variant of arcelin, found in six wild bean accessions collected in the southern state of Chiapas in Mexico, is reported, clearly distinct from previously reported ones and confers high levels of resistance to MBW.