Sharma, K.D.Gupta, Jagdish Chand2019-01-032019-01-031976http://krishikosh.egranth.ac.in/handle/1/5810088865EnglishStudies on polygenic variability and isolation of phenotypic mutants induced by Gamma Rays and Des (Diethyl Sulphate) in Indica and Japonica varieties of Rice (Oryza sativa L.) inThesis