【摘 要】
：
近三年东辛农场向黑龙江等八省和北京市提供双丰305良种1900余吨,可供种植面积达126万亩。尽管如此仍准满足对该良种的迫切需要。这一信息表明,我国甜菜生产中使用多倍体和
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近三年东辛农场向黑龙江等八省和北京市提供双丰305良种1900余吨,可供种植面积达126万亩。尽管如此仍准满足对该良种的迫切需要。这一信息表明,我国甜菜生产中使用多倍体和二倍体并行发展的新时期已经和正在到来。一、双丰305是轻工业部甜菜糖业科学研究所历时十载培育出来的第二批多倍体新品种中之
In the past three years, Dongxin Farm provided 1,900 tons of Shuangfeng 305 varieties to Heilongjiang and other eight provinces and Beijing Municipality, with a planting area of 1,260,000 mu. In spite of this, the urgent need for this seed is still satisfied. This information shows that the new era of parallel development of polyploid and diploid in our beet production has been and is approaching. First, Shuangfeng 305 is the Ministry of Light Industry Sugar Beet Sugar Science Institute lasted ten years to cultivate the second batch of new varieties of polyploid
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