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Articles by N.S.Kisana
Total Records ( 4 ) for N.S.Kisana
  M. Asif , S.Z. Mustafa , M. Asim , N.S.Kisana , M. Y. Mujahid , I. Ahmad and Z. Ahmed
  Thirteen genotypes developed for rainfed areas of Pakistan viz., NR-155, 97C027, SN-6, PR-72, BWL-9736, NR-149, 96R37, DN-14, V-97005, 95C004, NR-178, CHAKWAL-97, SN-16, were evaluated for stability of grain yield under twelve diverse environments. The interaction between the genotypes and environments (G X E interaction) was used as an index to determine the yield stability of genotypes under all the environments. Both predictable (linear) and unpredictable (non-linear) portions of variation were found to be significant indicating equal importance in determining the stability of grain yield. The genotypes "96R37" and SN-16" were the most adapted showing considerable good performance in the entire set of environments under study.
  M.Y. Mujahid , N.S.Kisana , Zaheer Ahmad , Iftikhar Ahmad , S.Z.Mustafa and A.Majid
  Wheat is the staple food of the people of Pakistan grown on an area of about 8.4 million hectares annually (MINFAL 97-98). The wheat production is affected due to the varying degree of different biotic and abiotic stresses in the country. The success of a breeding programme aims at the development of high yielding wheat varieties which are developed by making recombinants for the traits of economic importance. Forty bread-wheat cross combinations were attempted during the year 1997-98 to determine the heterotic and heterobeltotic effects of the recombinants in Fl generation. The parental material also included local types from highland and dryland areas to utilize the useful diversity in the breeding programme. Maximum degree of heterosis (increase over mid parents) was manifested by the cross number 21 (C-273/WCB BO) for all the trails studied. The same cross-showed the maximum haterobeltosis (increase over better parents) for plant height, spike length, # of spikelets per spike and grain weight. Another cross (Local white/sannine) also showed the same effects for all the trials. There was a varying degree of heterosis in different crosses showing that different combinations can be exploited for the manifestation of heterosis and suggest the choice of selection of desirable parents for the development of better recombinants.
  S.Z. Mustafa , P.N.Fox , N.I.Hashmi , N.S.Kisana , Shaheena Yasmin , Iftikhar Ahmed , M.Y.Mujahid and A.Majid
  The current zoning system appears unduly complicated and of little relevance to wheat breeding, as there is no evidence of distinct target areas. A broad but sparser sampling than the present system is recommended. Overall adaptation should be routinely assessed, by ranking and AMMI analyses, from the resultant smaller data sets each year. There is strong evidence of a flow of germplasm far superior than Pak-81, with respect to both yield and adaptation. It is suggested that same genotypes should be tested at least for two years on the same locations to get better results.
  M. Asif , M. Asim , M.Y. Mujahid , S.Z. Mustafa , N.S.Kisana , Z. Ahmed , I. Ahmad and M. Sohail
  Nine genotypes of wheat developed for rainfed areas of Pakistan viz., DN-18, NRL-9822, NR-200, V-99166, 98C013, V-3, PR-72, NR-181 and SN-7 were evaluated for stability of grain yield under seventeen diverse rainfed environments. The interaction between the genotypes and environments (G X E interaction) was used as an index to determine the yield stability of genotypes under all the environments during 2001-02. Both predictable (linear) and unpredictable (non-linear) portions of variation were found to be significant indicating equal importance in determining the stability of grain yield. The genotype V-99166 was the most adapted showing considerable good performance in the entire set of environments under study.
 
 
 
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