甜菜二倍体雄性不育多粒品种——BHK2号的选育

甜菜二倍体雄性不育多粒杂交种——BHK2号，是包头华资实业股份有限公司甜菜研究所育种部与德国KWS公司，自2002年开始合作选育的新品种。该品种丰产性好，含糖稳定，抗褐斑病和根腐病，对丛根病有一定耐病性。在2006～2007年的内蒙古自治区甜菜品种区域试验中，两年平均块根产量比对照甜研309分别提高22．22％，含糖率比对照低0．27度。在2007年的生产试验中，块根产量和含糖率分别比对照提高17．43％和0．62度。BHK2号达到了内蒙古自治区《糖用甜菜品种审定认定标准》，2008年经内蒙古自治区农作物品种审定委员会审定并命名。

Breeding of sugar beet diploid male sterile multigerm variety BHK2

Sugar beet diploid male sterile multigerm hybrid BHK2 is breeded by the sugar beet institute of Baotou HuaZi Industry Co., Ltd. and KWS SAAT AG since 2002. This variety is high yield potential, good sugar content stabilization, resistant to CR, Root Rot, tolerant to Rhizomania. Average root yield increased by 22.22%, in comparison with Tian Yan 309 in Inner Mongolia autonomy region trial during 2006 - 2007, sugar content decreased by 0.27 degree in comparison with the CK, root yield and sugar content increased by 17.43% and 0.62 degree respectively in comparison with the CK in 2007 production, trial, accorded with 《Sugar beet variety register standard》in Inner Mongolia autonomy. This variety was registered and named by Inner Mongolia autonomy crop registration committee.