早熟高油大豆新品种新大豆7号的选育及栽培要点

Key point of cultivation and breeding of a new early maturity and high oil soybean variety Xindadou No.7

早熟高油大豆新品种新大豆7号是新疆农业科学院粮食作物研究所1995年从加拿大引进,经过连续多年异地选择培育的优良大豆新品种,籽粒蛋白质含量38.2%(干基),脂肪含量23.7%(干基),且蛋白质含量受环境影响较大,脂肪含量受环境影响较小。2004—2005年参加新疆大豆品种(早熟组)区域试验,平均产量3 252.45 kg/hm2,较对照阿豆1号增产3.96%,居参试品种第二位。2005年参加新疆大豆品种(早熟组)生产试验,平均产量3 202.05 kg/hm2,比对照阿豆1号增产10.99%,居参试品种第一位。该品种适宜新疆北部冷凉大豆产区春播和南部阿克苏地区复播。

A new early maturity and high oil soybean variety Xindadou No. 7 was selected by Food Crops Research Institute, Xinjiang Academy of Agricultural Sciences. This variety was introduced from Canada Soybean germplasm in 1995 and was examined continuously in different locations. Seed protein and fat contents of the variety were 38.2% （DM） and 23.7 % （DM）, the former was more affected by environment. Xinjiang soybean variety （early maturity groups） regional trials were conducted from 2004 to 2005, its average yield was 3 252.5 kg/hm^2 and increased 3.96% more than check Adou No. 1, which got the second in yields of all varieties. Xinjiang soybean variety （early maturity groups） production trials were conducted in 2005, its average yield reached 3 202.1 kg/hm^2 and increased 10.99% more than check Adou No. 1, which came the first in yields of all varieties. The variety was suitable for spring planted in cool soybean growing areas of North Xinjiang and summer planted in Akesu region of South Xinjiang.