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Tennessee State University

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Abiotic stress

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Genome Wide Association Mapping Of Root Traits In The Andean Genepool Of Common Bean (Phaseolus Vulgaris L.) Grown With And Without Aluminum Toxicity, Daniel Ambachew, Matthew W. Blair Jun 2021

Genome Wide Association Mapping Of Root Traits In The Andean Genepool Of Common Bean (Phaseolus Vulgaris L.) Grown With And Without Aluminum Toxicity, Daniel Ambachew, Matthew W. Blair

Agricultural and Environmental Sciences Faculty Research

Common bean is one of the most important grain legumes for human diets but is produced on marginal lands with unfavorable soil conditions; among which Aluminum (Al) toxicity is a serious and widespread problem. Under low pH, stable forms of Al dissolve into the soil solution and as phytotoxic ions inhibit the growth and function of roots through injury to the root apex. This results in a smaller root system that detrimentally effects yield. The goal of this study was to evaluate 227 genotypes from an Andean diversity panel (ADP) of common bean and determine the level of Al toxicity …