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沿海棉区棉套大麦品种的选择相当重要。常常出现前期长势很好，后期发生倒伏的现象，丰产而不丰收，且影响棉田操作费时费力。大麦新品种单二系由江苏沿海地区农科所和中国科学院遗传所共同选育，1996年10月由江苏省农作物品种审定委员会审定定名。自1994年起，就在沿海棉区等
The choice of cotton cover barley varieties in coastal areas is important. Often appear early growth is very good, the phenomenon of late lodging, high yield without harvest, and affect the cotton field operation time-consuming and laborious. The new barley variety II was bred by Jiangsu Academy of Agricultural Sciences and the Institute of Genetics of the Chinese Academy of Sciences. In October 1996, it was named after the Crop Variety Approval Committee of Jiangsu Province. Since 1994, it has been in the coastal cotton area