Mutagenic effectiveness and efficiency of gamma rays and ethyl methane sulphonate in okra (Abelmoschus esculentus L. Moench)

Singh, A.K.; Singh, K.P.

Haryana Journal of Horticultural Sciences 29(1-2): 102-104


ISSN/ISBN: 0970-2873
Accession: 003856331

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Mutation frequency, and mutagenic effectiveness and efficiency of gamma rays (at 15, 30, 45 and 60 kR) and ethyl methane sulphonate (EMS; at 0.25, 0.50, 0.75 and 1.00%) were assessed in the M1 and M2 following seed treatment of okra genotypes Parbhani Kranti, Hisar Unnat and Satdhari. Gamma rays were more effective and efficient than EMS. There was a progressive increase in mutation frequency of chlorophyll and viable mutations (pollen and ovule sterility) with the increase in gamma radiation and EMS doses.