Author(s):

Rashad Khan, BK Senapati, PL Sangeeta and SK Samim Ahammed

Abstract: Recombinant inbred lines (F8) derivatives of Langulmota/Sambamahsuri were tested for interrelationship of yield attributing characters along with parental lines and three check varieties during kharif-2016 using nineteen quantitative traits. Correlation analysis revealed that grain yield showed highly positive significant correlation with number of panicles per plant, panicle weight, number of florets per panicle, number of grains per panicle, number of primary branches per panicle, floret fertility percentage and 1000 grain weight, selection of these traits will directly leads to increase in yield. Path analysis revealed that Grain L/B ratio imparted the highest positive direct effect on yield followed by grain breadth, number of florets per panicle, florets fertility%, kernel L/B ratio, kernel breadth. Therefore, these characters should be taken into consideration for simultaneous, indirect selection models in rice improvement programme.

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