甜菜多倍体新品种黑甜一号的选育

Breeding of A New Polyploid Variety─Heitian_l

黑甜一号是由四倍体甜菜黑甜413(母本)、二倍体甜菜黑甜2304(父本)杂交选育而成的多倍体新品种。该品种具有抗病性强、含糖较高、适应性较广等优点。区域试验平均根产量达31287kg/hm2 ,分别比统一对照甜研302、当地对照增产6.9 %、11.5 % ;平均含糖率15.25 % ,分别较上述对照提高0.34度、0.82度 ;产糖量4818.4kg/hm2 ,分别较上述对照提高10.1 %、16.9 %。黑甜一号在参加中国轻工总会组织的全国甜菜品种区域试验中 ,在内蒙古、吉林等省区的试点表现也较突出。

AnewpolyploidvarietyHeitian-1crossedwithfemaletetraploidHeitian413andmaleHeitian 2304.Thisvarietyhashighresistanttothesugarbeetdiseases,highersugarcontentandwithwide adatablity,andgottheyield31287kg/hm2(mean)intheregionaltest,theyieldincreased6.9% thanCKTianyan302and11.5%thanlocalCKresp.Thesugarcontentis15.25%andhigher thanCK0.34%and0.82%,thesugaryieldis4818.4kg/hm2,higherthanCK10.1%and 16.9%,thisvarietyisthebetteroneintheregionaltestofLightIndustry,espacially ininner MengoliaandJilinProvince.