GENETIC DIVERGENCE STUDIES FOR YIELD AND FIBRE QUALITY TRAITS IN UPLAND COTTON (Gossypium hirsutum L.)
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 48
Abstract
Genetic diversity in 70 upland cotton genotypes for 16 yield attributes and quality characters was studied using Mahalanobis D2 statistic. The 70 genotypes were grouped into 13 clusters. The pattern of grouping of genotypes revealed the presence of considerable diversity in the material studied. The forces other than geographical separation were may be responsible for genetic divergence among the genotypes and this was further confirmed by the distribution of genotypes into different clusters. The distance between genotypes placed in same cluster was more when compared with genotypes belongs to different clusters. This clearly indicates that exploitation of heterosis may be possible when hybrids produced by crossing parents from different and distant clusters.
Authors and Affiliations
B. BALAKRISHNA
Keywords
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