Correlation and Path Analysis for Yield Determing Traits in Sabita/Sambamahsuri Derivatives of Rice (Oryza sativa L.) Genotypes
Biotechnology Journal International · pp. 1–7 · Published 14 Jul 2018
10.9734/BJI/2018/42690Abstract
The present investigation carried out to study the character association and path analysis in twenty three recombinant inbred lines (RILs) of Sabita/Sambamahsuri derivatives and four check varieties of rice (Oryza sativa L.). Character association of the yield attributing traits revealed significantly positive association of grain yield per plant with number of panicles per plant (genotypic), panicle weight, panicle length, number of florets per panicle, number of grains per panicle, kernel breadth and harvest index. Hence, selection for these traits can improve yield. Path coefficient analysis revealed that ten characters viz. days to maturity, panicle length, number of primary branches per panicle, number of florets per panicle, number of grains per panicle, fertility percentage, grain length, kernel breadth, kernel Length/Breadth (L/B) ratio and harvest index had positive direct effect on yield.
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