通过开展春玉米不同品种试验,筛选适宜在陕西省彬县渭北旱塬种植的高产、优质春玉米新品种,加快玉米品种的更新换代,为新品种在大田推广提供科学依据。选择具有代表性的20个品种,在底店镇屯里村试验点进行对比试验。参试的多数品种综合性状较好,利于机械化作业,综合评价来看先玉335、西蒙6号、登海605、农科大8号、先玉987、五谷704、大丰30、宇玉30等品种适宜在渭北旱塬推广种植。 Through the trial of different varieties of spring maize, new high-quality and high-quality spring maize varieties suitable for planting in Weibei Arid Plateau, Bin County, Shaanxi Province were screened to speed up the upgrading of maize varieties and provide a scientific basis for the promotion of new varieties in the field. Select the representative of the 20 varieties in the shop at the bottom of Zhendian Village pilot test. The comprehensive traits of most cultivars tested are good, which will benefit mechanized operation. According to the comprehensive evaluation, Xiangyu 335, Simon 6, Denghai 605, Nongda No.8, Xiangyu 987, Sogo 704, Dafeng 30, Yuyu 30 Other varieties suitable for planting in the Weibei arid highland.