Abstract
The present investigation was carried out with five segregating populations in sorghum to assess the association between grain yield and its correlated traits. In correlation coefficients, three crosses viz., Cross 1, Cross 3 and Cross 5 showed significant positive association of grain yield with flag leaf length, flag leaf width, harvest index, plant height, number of leaves per plant, leaf chlorophyll index, stem girth, test weight (Cross 5), panicle weight, panicle length (except Cross 1) and biological yield and inter association of such traits were almost positive. Hence these three crosses could be exploited simultaneously for grain yield and other correlated traits by selection. From path coefficient analysis, it is concluded that the biological yield and harvest index had high positive direct effect on single plant yield in all crosses evaluated in the study. They also exhibited high indirect contribution on yield through yield components traits that could be used as yield determinants for further improvement in the population.
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