南疆地区一年两熟青贮玉米品比试验

目的]筛选出适宜喀什地区栽培的青贮玉米品种。方法]2017年在巴楚县色力布亚镇15村,引进7个饲料玉米品种进行了试种及筛选,其中春播玉米品种新玉13号、kws5383、奥玉青贮玉米、新沃1号,夏播玉米品种郑丹958、KWS3564、KWS4574。通过品比试验进行物候期观察,并对其高度、产量、茎重、棒子重进行测定。结果]4个供试春播玉米品种中有3个品种适宜在喀什种植,其中玉米品种kws5383、新沃1号适应性强,表现最好;3个供试夏播玉米品种中有2个品种适宜在喀什种植,其中玉米品种KWS3564、KWS4574适应性强,表现最好。结论]kws5383、新沃1号、KWS3564和KWS4574可作为喀什地区乃至新疆南疆各地区春播及夏播大面积推广的青贮饲料玉米品种。

Variety Contrast Test of Two-harvest-yearly Silage Corn in Southern Xinjiang Region

Objective] To screen out suitable corn varieties in Kashi Region. Method] Seven forage corn varieties,including spring sowing corn varieties(Xinyu No.13, kws5383,Aoyu silage corn, Xinwo No.1) and summer sowing corn varieties(Zhengdan 958, KWS3564, KWS4574) were introduced in 15 villages of Sebuliya Town in Bachu County in 2017 to make introduction and screening tests. The phenology observation was made by variety contrast test,and their height, yield, stem weight, corncob weight were determined. Result] Among four spring sowing corn varieties,three varieties were suitable for Kashi Region. Two corn varieties kws5383 and Xinwo No.1 had strong adaptabili-ty and better performances. Among three summer sowing corn varieties,two corn varieties were suitable for Kashi Region. Two summer sowing corn varieties KWS3564 and KWS4574 had strong adaptability and best performances.Conclusion] kws5383,Xinwo No.1, KWS 3564 and KWS4574 could be used as silage corn varieties to be popularized in spring and summer sowing in widespread range in Kashi Region and vari-ous regions of southern Xinjiang.