河南宁陵县玉米新品种筛选研究

Screening Test of New Maize Varieties in Ningling County,Henan Province

[目的]选择适合河南宁陵县种植的玉米主推品种。[方法]宁陵县农业技术推广站以郑单958为对照,在该县刘楼乡进行了7个玉米新品种小区对比试验。[结果]参试品种伟科702、洛玉818表现出株型紧凑、株高适中、生长发育稳健、病害轻、综合抗性强、产量因素协调的特性,分别比CK增产14.2%、10.8%;美豫5号、秀青74-9试验产量分别比CK增产8.4%和4.8%。[结论]伟科702、洛玉818适宜作为主推品种推广种植,美玉5号、秀青74-9可作为搭配品种使用。

[ Objective] In order to select the mainly popularized maize varieties which suit to the local situation. [ Method] Ningling County agriculture technology station conducted field plot contrast tests on new maize varieties in Liulou Township, using Zhengdan958 as control. [ Result] The results showed that WeikeT02 and Luoyu818 were characterized with compact plant type, moderate plant height, steady and strong growth, light disease, strong comprehensive resistance and harmonious yield components among the tested varieties. They respectively increased yield 14.2%, 10.8% than CK. The test yield of Meiyu5 and Xiuqing74 - 9 respectively increased 8.4% and 4.8% than CK. [ Conclusion] Weike702 and Luoyu$18 are suited to be the mainly popularized maize varieties to be planted widely. Meiyu 5 and Xiuqing 74 -9 can be used as collocation varieties .