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Asian Journal of Plant Sciences

Year: 2003  |  Volume: 2  |  Issue: 9  |  Page No.: 708 - 712

Study of Genetic Architecture of Some Important Agronomic Traits in Durum Wheat (Triticum durum Desf.)

Muhammad Kashif, Javed Ahmad, Muhammad Aslam Chowdhry and Khalida Perveen

Abstract

Gene action and components of variance analysis were made in a 6X6 diallel cross in durum wheat (Triticum durum Desf.). Additive gene effects were more important for all the traits. Complete dominance for yield plant-1 and spike length and over dominance for tillers plant-1 was observed. While plant height, spikelets spike-1, grains spike-1 and 1000-grain weight exhibited partial dominance. Dominant alleles were more frequent in parents for all characters except plant height and 1000-grain weight. Durum wheat genotypes, Altar 84 and Bittern “s” showed relatively higher combining ability.

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