Studies on Mutagenic Effectiveness and Efficiency of Gamma Rays and EMS in Kodo Millet (Paspalum scrobiculatum)

Mutation breeding is the defined approach used for crop production and has played a key role in creation of several varieties. The present research was carried out to induce mutants kodo millet variety CO 3 using physical mutagen (gamma rays) chemical (Ethyl Methane Sulphonate) creating novelty. Seeds were treated with five doses gamma-rays viz., 100 Gy, 200 300 400 500 Gy at BARC, Kalpakam three concentrations EMS 24.15 mM, 32.20 mM 40.25 mM. In laboratory test, root shoot lengths seedlings decreased an increase dose gamma rays EMS. field study, germination percentage survival rate irradiation M2 generation, types chlorophyll mutations albino, xantha, striata, chlorina albomaculata observed. Xantha observed all treatments, whereas, striata only Gy. Based on biological damages plants, mutagenic effectiveness efficiency estimated. Both reduced irradiation. Regarding height reduction lethality, treatment concentration recorded maximum efficiency. found be higher irradiated EMS, concentration. Gray highly effective inducing mutation millet.