Induced Viable Mutations in IR 8 Rice

R. RAJAGOPALAN and P. CHANDRASEKHARAN

doi:https://doi.org/10.29321/MAJ.10.A02963

Madras Agricultural Journal

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Induced Viable Mutations in IR 8 Rice

Author: R. RAJAGOPALAN and P. CHANDRASEKHARAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 66, Issue: jun-jun,

DOI:https://doi.org/10.29321/MAJ.10.A02963

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Abstract

In a study of induced mutagenesis in IR 8 rice a total of 467 viable mutants has been isolated. A linear trend of increase in the frequency of viable mutations with increase in dosage of the mutagens was observed. Mutants affecting grain size and duration were more commonly induced by gamma irradiation whereas, mutations affecting panicle and duration were found in greater proportions in EMS treatments.

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