A study on correlation and path coefficient analysis for yield and yield contributing traits in maintainer (B lines) lines of hybrid rice (Oryza sativa L.)

Hundred maintainer lines of hybrid rice were studied for correlation and path analysis at Indian Institute of Rice Research, Hyderabad. Grain yield per plant had significant positive correlation with productivity per day (0.95). Other traits, namely days to fifty percent flowering, number of productive tillers per plant, panicle length, panicle weight, number of grains per panicle has positive non-significant correlation with yield.
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A study on correlation and path coefficient analysis for yield and yield contributing traits in maintainer (B lines) lines of hybrid rice (Oryza sativa L.)