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Pakistan Journal of Biological Sciences
Year: 1999  |  Volume: 2  |  Issue: 3  |  Page No.: 903 - 905

Effect of Gamma Irradiation on Some Morphological Characters of three Wheat Varieties

Abdus Saboor Khan and Muhammad Ashraf Malik    

Abstract: The effect of gamma irradiation (0, 15, 25, 35 and 45 kR) was studied on three varieties of wheat viz; Pak-81, LU-26 and SS-5. Significant differences were observed due to varieties and different doses of gamma irradiation. A trend of reduction was observed in seedling emergence percentage and plant height in response to doses. Significant reduction in seedling emergence percentage (79%) and plant height (19.9%) were observed due to 45kR as compared to control. On application of various doses, the parameters of days taken to earing started, days taken to earing completion, number of tillers, number of leaves per plant and spike length increased gradually as compared to control.

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