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Asian Journal of Plant Sciences

Year: 2002  |  Volume: 1  |  Issue: 3  |  Page No.: 232 - 234

Genetic Determination for Some Drought Related Leaf Traits in Bread Wheat

Ashi Ambreen, Muhammad Aslam Chowdhry, Ihsan Khaliq and Rashid Ahmad


Mode of gene action was studied in a 5 x 5 diallel cross of bread wheat involving five genotypes namely 8073, 8177, 6039-4, Pb-96 and MH-97. Highly significant differences were observed for all the traits studied. Over-dominance was observed in hygrophilic colloids and stomata size. Flag leaf area, leaf venation and stomatal frequency were governed by partial dominance with additive gene action. Epidermal cell size was controlled by partial dominance. Non-allelic interactions were observed in flag leaf area and stomata size.

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