Comparison of selection indices for drought tolerance in common beans for the dry environments of Tanzania
Abstract
80 words
This study assessed yield performance of common bean
genotypes under different levels of drought stress (waster stress
periods). Subsequently, drought susceptibility index (DSI),
sensitivity index (SI) and drought intensity index (DII) were
derived from the grain yield data under the three water stress
treatments. DSI was found to be the most reliable index to
identify drought tolerant genotypes, while DII and SI were
better suited to identifying intensity of drought at a location and
grouping of drought tolerant genotypes, respectively.
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