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Pakistan Journal of Biological Sciences
Year: 2006  |  Volume: 9  |  Issue: 3  |  Page No.: 404 - 408

Intergeneric Hybridization Between Two Wheat and Two Barley Species

M.M. Rahaman, G. Kabir, M.W. Khatun, S. Akhter, N. Yasmin and A. Mondal    

Abstract: The present study was executed for intergeneric crosses reciprocally among four species of Triticum and Hordeum at the first step. Chemical treatment with GA3 yielded better result regarding seed setting. On an average 7.91% seeds were found to set and 68.24% seeds were found to germinate. Most of the hybrid seeds were shriveled, weak, smaller in size, sometimes intermediate and few of them resembled to that of their respective female parent. Seedling viability ranged from 45.45-58.33%. The F1 plants were vegetatively weak and resembled morphologically somewhat to their female parent. The spikes were very weak and the spikelets were found to arrange themselves on the rachis very laxly. All the hybrid plants were found to be sterile in nature.

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