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Pakistan Journal of Biological Sciences

Year: 1998 | Volume: 1 | Issue: 3 | Page No.: 237-240
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Authors

K. Shahzad

Z. Mohy-ud-Din

M. A. Chowdhry

D. Hussain

Keywords

Research Article

Genetic Analysis for Some Yield Traits In Triticum aestivum L.

K. Shahzad, Z. Mohy-ud-Din, M. A. Chowdhry and D. Hussain
Combining ability (CA) studies for yield contributing traits in spring wheat were carried out in a 4×4 diallel cross. Mean squares for General Combining Ability (GCA) were highly significant for all characters. The mean squares due to specific combining ability (SCA) effects were significant for number of grains per spike and 1000-grain weight. Reciprocal effect was significant in number of spikelets per spike. Additive gene action was found in all characters except number of grains per spike, which showed non-additive type of gene action. Variety Chakwal 86 was found to be good general combiner for spike length, number of spikelets per spike and 1000-grain weight.
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