Abstract
Categorization of genotypes under low moisture conditions is essential for the identification and development of drought tolerant genotypes in cotton. In the present study, 48 diverse Asiatic cotton genotypes were categorized for drought tolerance ability using two different techniques. The significant interaction between genotypes and drought treatment indicates that the studied genotypes were significantly affected by imposed treatment for measured drought tolerance related traits. The categorization of genotypes based on the cumulative score assigned for each genotype revealed the linear relationship between biomass production and drought tolerance ability. The categorization of genotypes based on comprehensive drought tolerance measurement is the finest way to identify the contrast cotton genotypes for drought tolerance ability. The Asiatic cotton genotypes NDLA 2963, NDLA 2965, NDLA 3113, NDLA 3139-3 and NDLA 2708 are identified as drought tolerant, which can be exploited for the improvement of drought tolerance ability in Asiatic cotton breeding programs.
Published Version
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