甜菜遗传单粒型三倍体杂交种甜单二号的选育

Breeding of Sugarbeet Genetic Monogerm Triploid Hybrid Tiandan-2

甜单二号（原代号ＴＤ８７１６）系以ＴＤｍ１０６为母本，Ｔ４１０为父本，按母父本３∶１自然杂交而成。该品种在黑龙江省甜菜品种生产示范试验中（１９９５～１９９６年），平均根产量、含糖率、产糖量分别为３４９８０ｋｇ／ｈｍ２、１７．５７度、６１０１ｋｇ／ｈｍ２，分别比对照品种甜研３０１提高１０．３％、０．１０度、１２．４％。甜单二号品种稳定性好，抗褐斑病，耐根腐病，适宜在黑龙江省的红兴隆、肇源、拉哈、绥化等地种植。

Tiandan-2 crossed with TDm106(female) × T410(male) which according to 3∶1 to natural crossing, this variety in the demonstration of Heilongjiang in 1995～1996, the root yield sugar content and sugar yield were 34980kg/hm2, 17.57/hm2 and 6101kg/hm2 and higher than CK Tiandan 301,10.3%,0.10% and 12.4%, Tiandan-2 has the better stability and resistant to leafspot and tolerant to root rot and is suitable to plant in Hongxinglong, Zhaoyuan,Laha, Shuihua etc of Heilongjiang Province.