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中双9号是采用复合杂交和小孢子培养技术相结合选育的双低甘蓝型油菜新品种,具有高抗菌核病,高抗倒伏,丰产性突出,稳产性好,品质优良,适应性广等优点。2000—2002年湖北省区域试验中,菌核病抗性强,菌核病平均发病率为13.31%,比对照中油821降低了28%;病情指数为6.47,比对照中油821降低了36%,平均产量2482.2kg/hm2,比对照中油821增产15.33%。种子芥酸含量0.23%,商品籽硫甙含量22.69μmol/g,含油量42.0%。2002年通过湖北省农作物品种审定委员会审定,是一个极具推广应用前景的优良品种,是油菜抗菌核病和抗倒性育种的优良资源。
Zhongshuang 9 is a new double-low Brassica napus variety which was bred by a combination of hybridization and microspore culture technology. It has high resistance to sclerotinia, high lodging resistance, outstanding high yield, good stability, good quality and wide adaptability Etc. In the regional tests of Hubei province from 2000 to 2002, the sclerotinia was strong and the average incidence of sclerotisis was 13.31%, 28% lower than that of the reference 821. The disease index was 6.47, which was 36% lower than that of the reference 821, The average yield was 2482.2kg / hm2, which was 15.33% more than the control 821 oil. Seed erucic acid content of 0.23%, commodity seed glucosinolate content 22.69μmol / g, oil content of 42.0%. It was approved by Hubei Crop Variety Approval Committee in 2002. It is an excellent variety with great promotion and application prospect and is an excellent resource for rapeseed and lodging resistance breeding.