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Articles by Rao Sohail Ahmad Khan
Total Records ( 2 ) for Rao Sohail Ahmad Khan
  Muhammad Iqbal , M. Zafar Iqbal , Rao Sohail Ahmad Khan and Khezir Hayat
  A trial was conducted at Cotton Research Station, Multan for three years (2001 to 2003) to compare developmental characteristics, quality traits, yield and its components among thirty two obsolete and modern varieties of Upland cotton (Gossypium hirsutum L). To verify the experimental results, historical data (1986 to 2003) of seed cotton yield, GOT and Staple length of top three high yielding lines was collected from National Coordinated Varietal Trials (NCVT) conducted in Multan region. Significant differences among varieties for node of first fruiting branch, monopodial branches per plant, days taken to first flower and ginning out turn percentage were exhibited. NCVT data showed that among varieties recommended for general cultivation since 1986, variety S-12 showed highest seed cotton yield and ginning outturn (40.5%). The cultivar CIM499 has highest staple length (29.8 mm). From the study, it was concluded that cotton breeders have improved earliness (node of first fruiting branch, monopodial branches per plant, days taken to first flower), lint percentage but improvement in seed cotton yield, yield components and staple length is still needed.
  Muhammad Iqbal , Khezir Hayat , Rao Sohail Ahmad Khan , Attiq Sadiq and Noor-ul-Islam
  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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