密云县春播大豆新品种引进筛选试验

近年来北京市密云县春播大豆播种面积逐年递增,但品种单一,退化严重,产量极低,品种更新迫在眉睫.为了筛选出适宜密云地区种植的春播大豆新品种,达到农业增产农民增收,2003-2007年从科研院校引进春播大豆新品种(系)29个在北京市密云县进行筛选研究,评价各品种的产量、抗性、生育期等性状,筛选适宜密云地区种植的新品种(系).经过4年的试验,筛选出了铁丰31、中作119(中黄38)、铁豆37等适宜密云地区种植的春播大豆新品种.

Screening of introduced spring soybean into Miyun county

The spring soybean area in Miyun couty was increased progressively in recent years.But the variety was single,the quality degenerated,the output was extremely low,updating the variety was urgently.From 2003 to 2007,some new variety of spring sowing soybean were introduced from all scientific research universities and colleges for research in Miyun.Screening the new variety is suitable for Miyun by appraising the properties of all varieties,such as output,breeding time,resistance.Some new varieties,such as T...