轻工部甜菜糖业科学研究所1989年育成我国第一个甜菜单粒品种“双丰单粒一号”以后,又培育出我国第一个甜菜雄不育多倍体新品种“轻工糖8084”。这个新品种已于1990年3月经黑龙江省农作物品种审定委员会评审通过,并命名为“双丰308号”。“双丰308号”属标准偏丰产抗病类型多倍体新品种,是雄不育杂交种,三倍体率 Light Industry Sugar Beet Sugar Institute of Science and Technology in 1989 bred into China’s first sweet single grain variety “Shuangfeng single grain one” later, but also breed our country’s first beet male sterile polyploid new varieties of “light industrial sugar 8084 ”. This new variety was approved by the Crop Variety Approval Committee of Heilongjiang Province in March 1990 and named “No. 308 Shuangfeng”. “Shuangfeng No. 308” is a new type of polyploidy with standard-yielding disease-resistant type, which is a male sterile hybrid. Triploidy rate