Determination of lethal and mutation induction doses of gamma rays for gladiolus (

Gladiolus is a highly allogamous flower plant, but owing to the prolonged juvenile phase, asexual propagation is preferred, which acts as a barrier for the induction of natural genetic variability in gladiolus. Therefore, the induced mutagenesis could be utilized for the creation of desirable genotypes, without altering their basic agronomic features. An analysis of the optimum doses of γ radiation for the induction of fruitful mutations could be achieved in short period of time, compared with the conventional method of breeding. The objectives of this study were to perform radiosensitivity tests on various gladiolus genotypes using different doses of gamma rays and to determine the optimal dose of radiation dose for obtaining the greatest number of mutants. The present experiment was carried out during the winter-spring seasons, for the four consecutive years of 2017-18, 2018-19, 2019-20, and 2020-21. The seven genotypes of gladiolus were exposed to seven doses of gamma rays (

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The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.