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Asian Journal of Plant Sciences

Year: 2003  |  Volume: 2  |  Issue: 17  |  Page No.: 1179 - 1182

Induced Mutability Studies in Three Wheat (Triticum aestivum L.) Varieties for Some Morphological and Agronomic Characteristics

Rahm Din, Muhammad Mohibullah Khan, Muhammad Qasim, Sheh Jehan and Malik Muhammad Iqbal Khan


The effect of gamma irradiation was studied on three wheat varieties. Various doses of gamma irradiation i.e. 10, 20, 30 and 35 Krad were applied to seed. High reduction in the mean values for survival percentage, days taken to heading and plant height were obtained in response to higher doses of gamma rays (30 and 35 Krad,) except for days taken to germination and number of ear bearing tillers. Higher doses of 30 and 35 Krad also created some abnormalities in plant types e.g a tiller having two ears attached with each other and sterile ears etc. All the three varieties namely Inqilab-91, Daman-98 and Raj responded differently to radiation doses for germination percentage, survival percentage, days taken to heading, plant height and number of tillers plant-1.

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