【摘要】 单粒型甜菜雄性不育杂交种—双丰单粒 2号 ,是以哈工大糖业研究院“六五”期间育成的单粒雄性不育系 82 0 0 2A为母本 ,多粒四倍体 41 5的多个优良品系为父本 ,杂交育成的单粒雄性不育三倍体杂交种 ,属标准偏丰产单粒型新品种。该品种在黑龙江省甜菜品种区域试验中 ,其根产量、含糖率和产糖量分别比作为对照的当地主栽多倍体品种甜研 3 0 1提高 1 .84%、- 0 .40度、- 0 .2 8%。在黑龙江省进行的生产试验中分别比对照提高 1 0 .8%、- 0 .0 8度和 1 0 .5 %。该品种与抗褐斑病性较强的对照种相比 ,抗褐斑病性持平。更多还原

【Abstract】 Shuangfeng monogerm?2 wes hybrid by CMS monogerm 82002A as female Parent crossed with multigerm tetraploid 415 as male parent.This variety is NE-type.In regional tests of Heilongjiang province,the average root yield,sugar content and sugar yield were higher 1.84%,-0.40°S and-0.28% respectively than local CK(Tianyan 301).In demonstration tests,the root yield, sugar content and sugar yield were higher 10.8%,-0.08°S and 10.5% respectively than local CK.This variety was equal to those with better resistance to leaf spot.更多还原