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当前位置: 首页 > 文章 > 山西省春玉米机械粒收品种筛选与大田示范 玉米科学 2018 (5) 117-122
Position: Home > Articles > Cultivars Selection of High Yield Spring Maize Suitable for Mchanical Kernel Harvest and Field Demonstration in Shanxi Journal of Maize Sciences 2018 (5) 117-122

山西省春玉米机械粒收品种筛选与大田示范

作  者：
李洪;阎晓光;王国梁;成锴;王斌;张国庆;刘二东;董红芬;李爱军;周楠;李少昆
单  位：
中国农业科学院作物科学研究所/农业部作物生理态重点实验室;山西省农业科学院谷子研究所;山西省晋城市农委
关键词：
春玉米;品种筛选;机械粒收
摘  要：
为筛选适合山西春玉米区机械粒收品种,2012~2017年在山西长治、襄垣、长子、晋城等4地连续开展8个点次、合计141个品种/组合254个品次的品种筛选试验,以收获时子粒含水率和产量水平作为选择指标,分别进行双向平均法选择和先玉335对照法双向选择,并对141个参试品种进行分类。于2015~2017年在晋城泽州和高平2地对5个代表性品种开展机械籽收大田示范,结果表明,在141个参试品种中,子粒含水率低于平均值、单产高于平均值的合计48个,占比34.0%;与当地对照品种先玉335作对比,产量高于对照、子粒含水率低于或等于对照的品种有10个,占比7.1%。机械粒收大田示范中,平均子粒破碎率为5.15%,略高于国标(GBT-21961—2008)规定的5%水平;产量损失率均值为2.76%,低于5%的国标要求;子粒含水率均值为22.6%。
译  名：
Cultivars Selection of High Yield Spring Maize Suitable for Mchanical Kernel Harvest and Field Demonstration in Shanxi
作  者：
LI Hong;YAN Xiao-guang;WANG Guo-liang;CHENG Kai;WANG Bin;ZHANG Guo-qing;LIU Er-dong;DONG Hong-feng;LI Ai-jun;ZHOU Nan;LI Shao-kun;Millet Research Institute Shanxi Academy of Agricultural Science;Jincheng Municipal Bureau of Agriculture;Institute of Crop Science, Chinese Academy of Agricultural Sciences/Key Laboratory of Crop Physiology and Ecology, Ministry of Agriculture;
单  位：
LI Hong%YAN Xiao-guang%WANG Guo-liang%CHENG Kai%WANG Bin%ZHANG Guo-qing%LIU Er-dong%DONG Hong-feng%LI Ai-jun%ZHOU Nan%LI Shao-kun%Millet Research Institute Shanxi Academy of Agricultural Science%Jincheng Municipal Bureau of Agriculture%Institute of Crop Science, Chinese Academy of Agricultural Sciences/Key Laboratory of Crop Physiology and Ecology, Ministry of Agriculture
关键词：
Spring maize;;Cultivar selection;;Mechanical kernel harvest
摘  要：
From 2012 to 2017, maize cultivar selection tests were carried out under close planting conditionswith 8 times, 141 cultivars(combination 254 items) in Changzhi, Zhangzi, Xiangyuan and Jincheng, in Shanxi. Thetwo-way average method and Xianyu335 control two-way selection method were carried out respectlively accordingto average yield and grain moisture content,and then the 141 tested cultivars were classified into different catego-ries. Five representative cultivars were selected to conduct field demonstration in two places of Jincheng and Gaoping in Shanxi from 2012 to 2017. The results showed, among the 141 tested cultivar, grain moisture content andyields of 48 cultivars accounting for 34.0%were lower and higher respectively than the averages. Compared with thecontrol of Xianyu335, 10 cultivars accounting 7.1%. During the field demonstration, the average grain broken ratewas 5.15%, which was higher than the national standard of 5%(GBT-21961—2008).The average yield loss rate was2.76%, which were lower than the national standard of 5%. The average grain moisture content was 22.6%.

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