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在吉林省湿润冷凉区,以12个玉米品种为试验材料,在不同种植区域比较品种产量高低。结果表明,2 750℃.d积温区平地供试品种以良玉11、先玉335、吉单550的产量最高,分别为13 364.0 kg/hm2、13 217.7kg/hm2和12 726.7 kg/hm2,与其他5个供试品种平均产量水平达到极显著水平。2 750℃.d积温区坡地供试品种以良玉11、先玉335的产量最高,分别为9 652.0 kg/hm2、9 565.3 kg/hm2,与其他5个供试品种平均产量水平达到极显著水平。2 600℃.d积温区平地供试品种以吉单27、科泰199的产量最高,分别为11 746.0kg/hm2、11 645.0 kg/hm2,与其他2个供试品种平均产量水平达到极显著水平。试验明确不同种植区域适宜玉米品种,为该区域玉米高产、稳产、优质、高效的栽培技术,提供科学依据。
In the humid and cool area in Jilin Province, 12 maize varieties were used as experimental materials to compare the yield of different varieties in different planting areas. The results showed that the yield of Liangyu 11, Xiangyu 335 and Jidan 550 were the highest in the tested plots with the area of 2 750 ℃. The yields of the cultivars were 13 364.0 kg / hm2, 13 217.7 kg / hm2 and 12 726.7 kg / hm2, respectively. The average yield of the other five cultivars reached extremely significant level. The yield of cultivars of Liangyu 11 and Xiangyu 335 at the slope temperature of 2 750 ℃ .d were the highest, which were 9 652.0 kg / hm2 and 9 565.3 kg / hm2, respectively. The average yield reached the highest level with the other 5 cultivars Level. The yield of Jindan 27 and Ketai 199 were the highest in the flat areas of 2 600 ℃ .d, respectively, with 11 746.0 kg / hm 2 and 11 645.0 kg / hm 2, respectively. The average yield reached the highest level with the other 2 cultivars Level. It is clear that suitable maize varieties in different planting areas can provide scientific basis for high yield, stable yield, high quality and high efficient cultivation techniques for maize in this area.