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Articles by Abdul Wahab Nassimi
Total Records ( 1 ) for Abdul Wahab Nassimi
  Abdul Wahab Nassimi , Raziuddin , Naushad Ali , Sardar Ali and Jehan Bakht
  For determination of good combiners in Brassica napus L. genotypes, a study was conducted 8x8 diallel during 2004-05 and 2005-06. F1s and parents were evaluated for combining ability for yield associated traits. Analysis of variance revealed highly significant differences (p≤0.01) for all traits. Components of combining ability analysis exhibited that, GCA was highly significant (p≤0.01) for number of seeds/plant, while significant (p≤0.05) for number of pods/plant and pod length whereas non-significant for 1000 seed weight and seed yield/plant. SCA and RCA effects were highly significant for all traits. GCA effects were higher than SCA and RCA for number of pods/plant and number of seeds/pod indicating that additive gene effects controlled the expression of these traits. The SCA effects were of greater magnitude than GCA effects for 1000 seed weight showing the contribution of non-additive gene effects. RCA effects were greater than GCA and SCA for number of pods/plant and seed yield/plant showing that reciprocal crosses have higher potential than direct crosses for these traits. The parent genotypes NUR1, NUR3, NUR4 and NUR9 and hybrids NUR1xNUR7, NUR2xNUR1, NUR2xNUR8, NUR3xNUR1, NUR3xNUR9, NUR4xNUR7, NUR5xNUR2, NUR5xNUR8, NUR7xNUR4 and NUR8xNUR1 had higher GCA and SCA effects, respectively therefore could be exploited for further selection of high yielding progenies. The overall study revealed the importance of both additive and non-additive genetic variability suggesting the use of integrated breeding strategies which can efficiently utilize the additive as well as non-additive genetic variability.
 
 
 
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