半干旱地区玉米新品种对比试验研究

Study on the Comparison Test of New Maize Varieties in Semiarid Region

通过玉米新品种引进试验研究,筛选出了适宜定西市安定区种植的玉米新品种,产量排在前列的为陇单8号、凳义2号、甘农565、陇单9号。其中陇单8号较对照承单20号增产916.67 kg/hm2,增幅为12.9%。凳义2号较对照增产508.33 kg/hm2,增幅为7.1%。

Through the introducing test of new maize varieties, the new maize varieties suitable for planting in Anding District of Dingxi City were screened,the varieties in the front for yield were Longdan8, Dengyi2, Gannong565, Longdan9 respectively. Compared with Chengdan20,the yield of Longdan8 increased 916.67 kg/hm^2, increasing rate was 12.9%, and the yield of Dengyi 2 increased 508.33 kg/hm^2,increasing rate was 7.1%.