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Asian Journal of Plant Sciences

Year: 2006 | Volume: 5 | Issue: 4 | Page No.: 643-645
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Authors

M. Afzal Zahid

M. Akhter

M. Sabar

Zaheen Manzoor

Tahir Awan

Keywords

Research Article

Correlation and Path Analysis Studies of Yield and Economic Traits in Basmati Rice (Oryza sativa L.)

M. Afzal Zahid, M. Akhter, M. Sabar, Zaheen Manzoor and Tahir Awan
Phenotypic and genotypic variances, coefficient of variance, genetic advance, heritability, correlation coefficient and path coefficient analysis were conducted for yield, yield components and grain quality characteristics in 14 genotypes of Basmati rice. High heritability estimates coupled with high genetic advance were observed for plant height and 1000 grain weight. Plant height has negative correlation with yield indicating that taller Basmati plants have low yield. Grains per panicle have positive and significant genotypic and phenotypic correlation with yield. Hence, number of tillers per plant, No. of grains per panicle and 1000 grain weight contributed maximum direct effect on yield indicating these traits should be given emphasis while selecting high yielding Basmati rice cultivars for Kallar Tract. Plant height and 1000 grain weight had positive correlations with grain quality characteristics i.e. grain length and cooked grain length while tillers per plant had negative correlation with these quality traits. Grain length had positive and significant correlation with cooked grain length indicating that basmati varieties elongate length wise which is the typical basmati character.
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