A highly cherished Bambara groundnut variety, ‘Caro’ was treated with different concentrations of ethyl methane sulphonate (EMS) for different durations to raise an M1 generation. In the M1 generation, the mutagenic effect of EMS on seed germination, growth and seed yield at different doses (0.01%, 0.1%, 0.25% and 0.5%) and for different durations (6 hours, 12 hours and 24 hours) were studied. Characters like days to first flowering, days to 50% flowering, number of flowers per plant, number of leaves, number of nodes per plant, number of stems per plant, plant spread, plant height, number of branches per plant, pod length, pod width, number of pods per plant, number of seeds per plant, seed length, seed width and seed yield were measured. Data collected were subjected to analysis of variance (ANOVA) and means were separated using least significant difference (LSD). The result showed that there was significant effect (p<0.05) of ethyl methane sulphonate concentrations in all the parameters except on number of days to maturity. The concentration, 0.1% and soaking duration of 6 hours was more promising in creating variability. Apparently, could Ethyl methane sulphonate significantly improved the performance and create genetic variability of Bambara groundnut and therefore can be employed in breeding programme for Bambara groundnut.
Vignasubterranea, ethyl methane sulphonate, Induced mutation
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