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Trait Associations In Diversity Panels Of The Two Common Bean (Phaseolus Vulgaris L.) Gene Pools Grown Under Well-Watered And Water-Stress Conditions, Asrat Asfaw, Daniel Ambachew, Trushar Shah, Matthew W. Blair
Trait Associations In Diversity Panels Of The Two Common Bean (Phaseolus Vulgaris L.) Gene Pools Grown Under Well-Watered And Water-Stress Conditions, Asrat Asfaw, Daniel Ambachew, Trushar Shah, Matthew W. Blair
Agricultural and Environmental Sciences Faculty Research
Common beans are a warm-season, food legume cultivated in areas prone to water limitation throughout their growing season. This study assessed the magnitude and pattern of trait associations for a total of 202 common bean genotypes divided into panels of 81 Andean and 121 Mesoamerican gene pool accessions grown under contrasting treatments of well-watered, non-stress, and water-limited, terminal drought-stress conditions. Linear correlation, complex path coefficient, and genetic divergence analyses were used to dissect the relationship dynamics between traits and the relative contribution of adaptive traits to differentiation among gene pools and genotypes based on drought stress. Drought severity level for …