宁夏红寺堡地区青贮玉米品种筛选马晓霞1,2 王晓春1 梁小军1*

为筛选出宁夏红寺堡区种植的适栽青贮玉米品种,本试验比较了5个品种的生产性能、干物质含量和果穗特性。结果表明：金陵青贮67的株高、穗位高、绿叶数最高。正大12茎粗最高。京科青贮932干物质含量,鲜、干草产量最高,分别为39.25%、5045.17 kg/亩、1980.23 kg/亩。京科青贮932、正大12的穗长、穗重显著高于其他品种(P<0.05),秃尖最短的是品种京科青贮932。由此可见,京科青贮932适宜在宁夏红寺堡区推广种植。

Selection of silage maize varieties in Hongsibu area of Ningxia1

In order to select suitable maize silage varieties planted in Hongsibu District of Ningxia, the performance, dry matter content and spike characteristics of 5 varieties were compared in this experiment. The results showed that Jinling silage 67 had the highest plant height, spike height and number of green leaves. Zhengda 12 stems have the highest diameter. The dry matter content of Jingke silage 932 was the highest, and the yield of fresh and hay was 39.25%, 5045.17 kg/ mu and 1980.23 kg/ mu, respectively. The spike length and spike weight of Jingke silage 932 and Zhengda 12 were significantly higher than those of other varieties (P<0.05), and Jingke silage 932 had the shortest barren ear tip. It can be seen that Jingke silage 932 is suitable for planting in Hongsibu District of Ningxia.