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水稻新品种——辽丰五号是用辐射诱变方法选育出的早熟品种,生育期140天左右,适于我省无霜期短的地区种植。现有种植面积约5—6万亩。一、辐射处理及其后代变异体的选择
New Rice Variety - Liaofu No.5 is a precocious variety bred by radiation mutagenesis method with a growth period of about 140 days, which is suitable for planting in regions with short frost-free period in our province. The existing planting area of about 5-6 million mu. First, radiation treatment and the selection of variants of their offspring