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M1 generation studies in urdbean (Vigna mungo (L.) Hepper)

U. P. Bhosale, B. V. Hallale and S. V. Dubhashi

Seeds of urdbean were treated with various doses/ concentrations of gamma radiation (10 to 50kR), EMS (0.1 to 0.5%) for studying seed germination, seedling injury, pollen sterility, survival of plants at maturity and lethality. Seed germination and survival of plants at maturity decreased with increasing concentration/dose of the mutagens, while seedling injury, pollen sterility and lethality were found increased with increasing concentration / dose of the mutagens in the present variety of Urdbean.