Correlation and path analysis of yield and yield components in deep water rice (Oryza sativa L.)

The phenotypic as well as genotypic correlation and path analysis of yield and yield contributing characters were analysed in 3 sets (25 genotypes in each set) of deep water rice (Oryza sativa L.). Grain yield had showed highly significant r_p and r_g with PDT and grains per panicle in all the 3 sets studied. Grain yield had highly significant r_p and r_g with plant height, panicle length in Set-III only where test weight was high. PDT had highest positive direct effect on grain yield in all the three sets invariably with the difference in test weight. In Set-II and Set-III where test weight was medium and high, grains per panicle showed next highest direct effect towards grain yield. Direct effect of plant height was considerable in Set-I only.