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Induced Genetic Variability for Seed Germination and Other Yield Parameters in Kidney Bean (Phaseolus Vulgaris L.).

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Document pages: 8 pages

Abstract: Kidney bean (Phaseolus vulgaris L.) is the most ancient cultivated crops among the legumes. It is commonly used for human nutrition, animal feed and soil fertility. Seeds of two local dwarf varieties of kidney bean, B1-Local and B2-Local were subjected to different concentrations (0.1 , 0.3 , 0.5 , 1.0 and 1.5 ) of sodium azide (SA). Effects of chemical mutagen were evaluated for seed germination, plant survival, plant height, number of branch per plant; number of leaves plant in both the varieties. The mutagen treated seeds as well as the control of both the varieties were planted in the experimental field following randomized block design (RBD) layout to raise the first mutant (M1) generation. Sodium azide concentration at 1.0 and above was lethal for both the varieties. Seedling survival was highly reduced in both the varieties (upto 68.75 ). Seedling height, number of leaves plant and number of branch plant showed inter and intra varietal differential response.

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