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1996年在西瓜制种田中发现全雌性突变株,经4年杂交和系统选择,于2000年培育出西瓜全雌系‘全雌1号’。经世代遗传分离的χ2试验证实全雌性由1对隐性基因控制,将该基因命名为gy。
In 1996 in the watermelon farming found in the whole female mutant, after 4 years of hybridization and system selection, in 2000 to cultivate the whole watermelon ’whole female No. 1’. The chi-square test of genetic segregation by generations confirmed that the whole females were controlled by a pair of recessive genes and the gene was named gy.