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Genetic diversity in the breeding materials is an essential component to improve the efficiency of any crop improvement programme. In present study, 150 seed and restorer parents were evaluated for grain yield and its component traits at two diverse agro-ecologies CCSHAU-Hisar and ICRISAT-Patancheru. Analysis of variance revealed significant differences among hybrid parents for all traits. Clustering of hybrid parents clearly partitioned almost all the B- and R-lines into separate groups indicating B- and R-lines to be genetically distant from each other. Further, seed (B-lines) and restorer (R-lines) parents were found distributed in four clusters each, and hybrid parents having same plant type (having similar set of specific traits) were found in same cluster. Significant numbers of hybrid parents having common parent in their pedigrees were found in same cluster. Cluster B-IV of B-lines and cluster R-III of R-lines had higher grain yield and above average performance for other grain linked traits. Grain yield was found to have highly positive significant correlation with all the traits under study for both B- and R-lines, except for effective tillers plant-1. Stover yield followed by panicle girth and panicle length had highest positive direct effect on grain yield

electronic journal of plant breeding

Genetic diversity in seed and restorer parents in relation to grain yield and its component traits in pearl millet [<i>Pennisetum glaucum</i> (L.) R. Br.]

Genetic diversity in seed and restorer parents in relation to grain yield and its component traits in pearl millet [Pennisetum glaucum (L.) R. Br.]