用60 Coγ射线处理测 49干种子 ,经M8代筛选而成早杂籼型恢复系 -温恢 49辐。该恢复系株型好 ,穗蘖较强 ,恢复力、配合力、抗瘟性好 ,米质较优 ,花药大 ,花粉量足 ,制种较容易 ,与不育系早红突A配组育成早优 49辐 ,并于 1 998年 5月通过浙江省农作物品种审定委员会审定 The seeds of 49 dry seeds were treated with 60 Co γ ray and screened by the M8 generation to form the early indica restorer line Wenhui 49. The restorer plant type, strong spike tillering, resilience, combining ability, good blast resistance, better quality rice, large anthers, enough pollen, seed production is easier, Bred 49 early as the best and in May 1998 through the Zhejiang Provincial Crop Variety Approval Committee validation