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Articles by S. Haidar
Total Records ( 2 ) for S. Haidar
  S. Haidar and M. A. Khan
  Path coefficient analysis was done to understand the type of contribution directly as well as indirectly of each character to yield of seed cotton. The results revealed that number of bolls per plant and boll weight had the maximum direct effect on yield of seed cotton per plant. Number of bolls per plant had negative indirect effect on boll weight, while boll weight had positive indirect effect on ginning outturn percentage and negative indirect effect on number of bolls per plant and number of seeds per boll. Number of seeds per boll had negative direct effect on yield of seed cotton per plant while ginning outturn percentage had very small positive effect on yield of seed cotton per plant. So it is suggested that selection for higher productivity should be based on higher number of bolls per plant and boll weight.
  K. Shahzad , M. A. Chowdhry , D. Hussain , Z. Mohy-ud-Din , S. Haidar , K. Alam and S. H. Khan
  A set of 4 4 diallel crosses in wheat was analysed for combining ability of traits like number of tillers per plant, spike length, number of grains per spike and 1000-grain weight. The mean squares for general (GCA) and specific combining ability (SCA) were highly significantly for number of grains per spike and 1000-grain weight. The reciprocal effects were also highly significant for all traits under study except spike length which was non-significant. The additive gene effect controlled the expression of number of tillers per plant and 1000-grain weight as is evidenced by greater components of variance for GCA. Non-additive gene effects controlled the expression of spike length and number of grains per spike as is apparent by greater components of variance for SCA. Variety Pitic 62 was considered to be good general combiner for spike length, number of grains per spike and 1000-grain weight.
 
 
 
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