半干旱区青贮玉米新品种引进鉴定试验

为筛选出适宜半干旱区种植、产量高、易推广的青贮玉米品种,以7个生产上主推青贮玉米品种(青贮玉米专用型5个、粮饲兼用型2个)为研究对象,开展了品种鉴定试验,并对7个青贮玉米品种的农艺性状和生物产量进行测定。结果表明,参试青贮玉米品种均无倒伏、倒折现象,三联3号、三联2号、先玉335的鲜草量高于对照品种大京九26,综合性状表现良好,适宜在干旱半干旱雨养区大面积推广种植。

Introduction and identification test of new silage maize varieties in semi-arid area

In order to select suitable silage maize varieties with high yield and easy extension, taking 7 main silage maize varieties (5 silage maize varieties for special purpose and 2 for both grain and forage) as the research objects, the agronomical characters and biological yield of 7 silage maize varieties were determined by one-time arrangement. The results showed that there was no lodging phenomenon in all varieties, and the fresh grass yield of Sanlian 3, Sanlian 2 and Xianyu 335 was higher than that of Ck. It is suitable to be popularized and planted in large area in arid and semi-arid rain culture area.