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谷子抗倒突变体78γ郑4的选育1977年我们用60Coγ射线辐射郑谷4号干种子,剂量为300Gy。1978年1月种于本院温室,M1代混和脱粒,同年夏播于院谷子诱变圃,M2代按结实多少分别脱粒。在M3代中发现18株茎秆较低,但均感褐条病、谷瘟病,其中1...
Mildew resistant mutant 78γ Zheng 4 Breeding In 1977 we used 60Coγ-ray radiation Zhenggu 4 dry seeds, the dose of 300Gy. In January 1978, it was planted in the greenhouse of our hospital. The M1 was mixed and threshed in the same year. In the M3 generation found 18 stalks lower, but are susceptible to brown stripe, rice blast, of which 1 ...