Abstract:A diallel set of 10 parents of upland cotton was evaluated under artificial American bollworm infestation for seed cotton yield per plant, boll number and bollworm damage. A significant role of both additive and dominance components of gene action was observed for all the characters studied. Epistasis influenced the performance of seed cotton yield per plant, number of bolls and eggs of H. armigera. The net directional dominance was operative towards high mean performance for egg and larval count, green boll d… Show more
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