夏大豆新品种徐豆18的选育

Breeding Report of Summer Soybean Variety Xudou 18

徐豆18是江苏徐淮地区徐州农业科学研究所以徐豆9号为母本，泗豆288为父本进行有性杂交育成的夏大豆新品种，2009～2010年区域试验平均产量2725．35kg·hm-2，较对照中黄13增产6．46％，2010年生产试验平均产量2558．55kg·hm-2，较对照中黄13增产6．65％。该品种高产稳产、品质优良、抗病性好，抗大豆花叶病毒（SMV）Sc．3和SC-7株系，2011年10月通过国家农作物品种审定委员会审定，适宜江苏和安徽的淮北地区、山东南部、河南东南部等地作为夏大豆种植。

The new summer planting soybean variety Xudou 18, derived from Xudou 9 x Sidou 288, was bred by Xuzhou Insti- tute of Agriculture Sciences in Jiangsu Xuhuai Area. Average yield of Xudou 18 in regional trials during 2009-2010 was 2 725.35 kg·ha -1 ,which was 6.46% higher than control cultivar Zhonghuang 13. Its average yield of production test in 2010 was 2 558.55 kg·ha-1 ,which was 6.65% higher than control cultivar Zhonghuang 13. Xudou 18 was resistant to SC-3 and SC-7 strain of SMV and has the characteristics of high and stable yield, good quality and better stress tolerance. It was approved and released by National Crop Variety Approval Committee in 2011. It is suitable for planting in north of the Huaihe river in Jiangsu and Anhui province, south of Shandong province and southeast of Henan province.