Abstract:

Abstract:Callus induced from mature embryos of japonica rice varieties “xiushui11” and “Nipponbare” were irradiated with 60Coγ-rays at the dosage of 30Gy. Morphological variations including leaf, stalk, seed, panicle at vegetative and reproductive stages and various physiological characters were observed in MR2 generation. These mutants will be helpful for gene identification and gene functional analysis as well as breeding of new rice variety. Some variant plants show high potential in rice production.