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The Journal of Heredity 1996:87(3):239-241
© 1996 The American Genetic Association 87:239-241
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Ethyl Methanesulfonate-Induced Seed Mutagenesis of Capsicum annuum
From the Departments of Agronomy and Horticulture (Alcantara and Bosland) and Experimental Statistics (Smith), New Mexico State University Las Cruces, NM
Corresponding Editor: William M. Cheliak
Abstract
In order to determine the optimal conditions for mutagenesis of Capsicum annuum L., seeds of the cultivar Keystone Resistant Giant no 3 were treated with 0.5%, 1.0%, and 1 5% ethyl methanesulfonate (EMS) and exposed for 3, 6, and 9 h at 5°C, 10°C, 15°C, and 20°C. Several unique and interesting mutants were generated in this study. In the M1 generation, seeds treated with 1.5% EMS at 20°C for 9 h had the lowest germination percentage among 36 treatments, but the observed differences in germination percentage were not significant. This study suggests that concentration and duration of seed exposure to EMS could be increased to induce even greater number of mutants.
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