2020年美国玉米高产竞赛简报  

Introduction of American National Corn Yield Contest in 2020

作　　者：魏常敏 张则林 许卫猛 邢永锋 李桂芝 陈国立 周文伟 宋万友 李万良[3] WEI Chang-min;ZHANG Ze-lin;XU Wei-meng;XING Yong-feng;LI Gui-zhi;CHEN Guo-li;ZHOU Wen-wei;SONG Wan-you;LI Wan-liang(Zhoukou Academy of Agricultural Sciences,Zhoukou 466000;People’s Government of Youzha Town,Luanzhou City,Hebei Province,Luanzhou 063702;Jilin Academy of Agricultural Sciences,Changchun 130033,China)

机构地区：[1]周口市农业科学院,河南周口466000 [2]河北省滦州市油榨镇人民政府,河北唐山063702 [3]吉林省农业科学院,长春130033

出　　处：《玉米科学》2021年第3期48-54,共7页Journal of Maize Sciences

基　　金：国家重点研发计划(2017FYD0101406)。

摘　　要：介绍2020年美国玉米高产竞赛概况,分析产量情况、获奖者分布情况和优胜品种情况,总结美国玉米高产获奖者的经验,提出美国玉米高产竞赛对我国玉米生产的启示。美国全国玉米高产竞赛的获奖者注重选择适合的品种、重视播种质量、采取多次施肥喷药,确保整个生育期植株健康健壮。我国应积极开展生物技术育种,研发选育出抗病虫害抗干旱等多抗的品种。在玉米品种布局中,兼顾广适应性和具有特殊区域适应性的中小品种,达到高产稳产。This paper introduced the national corn yield contest(NCYC)in America in 2020,comprehensively analyzed the yield,the distribution of winners and the winning varieties,summarized the experience of NCYC winners,and the enlightenment of NCYC for China’s corn production.Winners of the NCYC focused on selecting suitable varieties,sowing quality,and applying multiple fertilization,insecticides to ensure plants throughout the growth period were healthy.Biotechnological breeding should be actively carried out in China to breed varieties resistant to diseases,pests,and drought.In the layout of corn varieties,both large varieties with wide adaptability and small and medium-sized varieties with special regional adaptability should be considered to achieve the purpose of high and stable yield.

关 键 词：玉米 高产竞赛 品种 

分 类 号：S513[农业科学—作物学]