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Differential toxicity of chemical mutagens on seed germination, vigour and viability in Catharanthus roseus (Linn.) G. Don and Nicotiana rustica Linn



Differential toxicity of chemical mutagens on seed germination, vigour and viability in Catharanthus roseus (Linn.) G. Don and Nicotiana rustica Linn



Journal of the Assam Science Society 31(4): 57-66



Surface sterilized seeds of C. roseus and N. rustica were treated with 4 chemical mutagens: colchicine, ethylmethane sulphonate (EMS), diethyl sulphate (DES) and dimethyl sulphate (DMS), at 4 concentrations (0.1%, 0.2%, 0.3% and 0.4%). For each concentration, 3 treatment durations were tested: 8, 16 and 24 h. Effects on percentage germination, seedling height and seedling survival were assessed. Results are tabulated for all treatment combinations.

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Accession: 002072855

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