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甜菜原种母根单株检糖选择工作在我厂已有二十三年的历史。过去凡是经甜菜品种区域化鉴定适合我厂的新品种,育种单位都是一次性的交付给原原种,我厂一次性的培
Beet seeds of the original seed gum root selection of sugar work in our factory has twenty-three years of history. In the past, all varieties of sugar beet regional identification suitable for our plant new varieties, breeding units are one-time delivery of the original seed, I plant a one-time training