我省地处东北松辽平原,常年无霜期为一百一十天至一百五十七天,基本上属于一年一熟农作区。甜菜是二年生作物,每完成一个生活周期,需要二百六十至二百八十天,按常规程序育成一个新品种需要十五年左右的时间。甜菜生产和制糖工业的迅速发展,迫切要求有更多更好的优良品种投入到生产中去。因此,只有加快 The province is located in the northeastern Songliao Plain, perennial frost-free period of 110 days to 157 days, basically a year of cooked farming area. Beet is a biennial crop that takes between 260 and 280 days to complete one life cycle and takes about 15 years to grow a new breed under the normal procedure. The rapid development of sugar beet production and sugar industry urgently requires more and better fine varieties to be put into production. Therefore, only speed up