tailieunhanh - Determination of mutagenic sensitivity in hibiscus rosa-sinensis L. (Cultivar Red Single) to physical and chemical mutagens
In this study, hard wood cuttings of Hibiscus rosa-sinenis Cultivar Red Single were treated with nine different dose of gamma rays (1 to 5 k R) and ten different concentrations of EMS ranging from to . The results revealed that gradual reduction in survival of cuttings, shoot length, leaf length and leaf width with increase in dosage of gamma rays and EMS. However gamma rays treated plants showed significant gradual reduction in growth rate than the EMS treated plants. Based on probit analysis, LD50 (Lethal dose) value for gamma radiation and EMS have been fixed as kR and respectively. |
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