摘要
筛选出适宜定西市海拔2000 m以上大面积推广种植的优良玉米品种,引进了陇垦玉18、利合518等5个近年来在其他地区综合表现较好的玉米新品种进行试验,结果表明:迪卡556、G1818、利合518和利合228单产均高于对照陇垦玉18,均可在定西市海拔2 000m以上的地方种植,适宜进行大面积推广.
Abstract
In order to solve the problems of single aging and low yield in the production of extremely early maturing maize varieties above 2 000 m in Dingxi City,the excellent maize varieties suitable for large-scale promotion and planting above 2 000 m in Dingxi City were selected,and five new maize varieties,such as Longkenyu 18 and Lihe 518,which had better comprehensive performance in other areas in recent years,were introduced for testing.The results showed that the yield per unit of Dika 556,G1818,Lihe 518 and Lihe 228 were higher than that of control Longkengyu 18,and could be planted at an altitude of more than 2 000 m in Dingxi City,suitable for large-scale popularization.
基金项目
定西市科技计划项目重点技术攻关专项(DX2022BZ104)
定西市科技计划项目重点技术攻关专项(DX2023AZ11)
定西市科技计划项目重点技术攻关专项(DX2023AZ09)