玉米早衰发生原因及防控对策  

Causes and Control Strategy of Maize Premature Senescence

作　　者：隋啊曼 薛兵东[1] 王德新[1] 高旭东[1] 周旭梅[1] SUI A-man;XUE Bing-dong;WANG De-xin;GAO Xu-dong;ZHOU Xu-mei(Dandong Academy of Agricultural Sciences, Fengcheng, Liaoning 118109)

机构地区：[1]丹东农业科学院,辽宁凤城118109

出　　处：《辽宁农业科学》2018年第1期72-74,共3页Liaoning Agricultural Sciences

摘　　要：早衰在玉米生产上普遍发生,严重影响了玉米产量。分析了玉米品种、农田养分、栽培因素、气候因素及病虫害等对玉米早衰的影响。提出了选择适应性好及抗逆性强的品种、合理密植、适时播种、防旱防涝、合理施肥、深松及秸秆还田等措施来预防调控玉米早衰。It was described that the premature senescence is wide spreading in maize production,which has seriously affected the maize production.It was analyzed that the maize premature senescence can be caused by maize varieties,farmland nutrients,cultural factors,climate factors,maize pests and diseases and so on.It was summarized that the selection of maize varieties with good adaptability and strong in resistance,reasonable planting density,timely sowing,protection against drought and waterlogging prevention,rational fertilization,subsoiling and straw returned and some other measures could prevent and control the premature senescence of maize effectively.

关 键 词：玉米 产量 早衰 防控对策 

分 类 号：S513.05[农业科学—作物学]