{"title":"Mutations induced in red gram (Cajanus cajan (L) Millsp.) by gamma radiation and EMS","authors":"W. Mohamed Ali Khan, R. Veeraswamy","doi":"10.1016/S0033-7560(74)80013-X","DOIUrl":null,"url":null,"abstract":"<div><p>The seeds of Co. 1 red gram (<em>Cajanus cajan (L) Millsp.)</em> were treated with gamma rays (0, 14, 16, 18, 20, 22, 24 and 26 kR) and EMS (0, 60, 70 and 80 mM for 4 hr at room temperature) and observations were recorded in the M<sub>1</sub> and M<sub>2</sub> generations. The chlorophyll mutations in M<sub>2</sub> were maximum at 24 kR of gamma rays and 70 mM of EMS, but the maximum frequency of viable mutations was noted around 16 kR and 60 mM. The percentage of viable mutations was found to be greater for gamma ray treatments compared to those for EMS. Some morphological mutants have been reported for the first time.</p></div>","PeriodicalId":20794,"journal":{"name":"Radiation Botany","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"1974-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S0033-7560(74)80013-X","citationCount":"4","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Radiation Botany","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S003375607480013X","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 4
Abstract
The seeds of Co. 1 red gram (Cajanus cajan (L) Millsp.) were treated with gamma rays (0, 14, 16, 18, 20, 22, 24 and 26 kR) and EMS (0, 60, 70 and 80 mM for 4 hr at room temperature) and observations were recorded in the M1 and M2 generations. The chlorophyll mutations in M2 were maximum at 24 kR of gamma rays and 70 mM of EMS, but the maximum frequency of viable mutations was noted around 16 kR and 60 mM. The percentage of viable mutations was found to be greater for gamma ray treatments compared to those for EMS. Some morphological mutants have been reported for the first time.
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