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Asian Journal of Plant Sciences
Year: 2006  |  Volume: 5  |  Issue: 2  |  Page No.: 341 - 344

Correlation and Path Coefficient Analysis for Earliness and Yield Traits in Cotton (G. hirsutum L.)

Muhammad Iqbal, Khezir Hayat, Rao Sohail Ahmad Khan, Attiq Sadiq and Noor-ul-Islam    

Abstract: The objective of this study was to get information about a character that is useful for selection in segregating generations for improving seed cotton yield. The present study was conducted to determine correlation and path coefficient analysis of earliness and yield components of upland cotton. The results showed that node of first fruiting branch, monopodial branches/ Plant, boll number and boll weight was positively and significantly correlated with yield in present genetic material understudy. Similarly path coefficient analysis revealed that node of first fruiting branch, monopodial branches/ Plant, boll number and boll weight had maximum direct positive effect on seed cotton yield, whereas the traits ginning out turn percentage (GOT%) and staple length had the direct negative effect on seed cotton yield. The results indicated that for evolving a superior genotype possessing all the three basic characteristics i.e., earliness, high yield and improved fiber quality of international standard, breeder had to use reciprocal recurrent selection method or modified back cross or three- way cross within genetic material under study. The result of present study indicated that for evolving a superior genotype possessing earliness, high yield, breeder should focus on improving no. of bolls and boll weight with lower no. of monopodial branches and node of first fruiting branch.

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