玉米叶部病害症状特征、发生规律及综合防治措施  

Research on the Symptoms,Occurrence and Comprehensive Therapies of Maize Leaf Diseases

作　　者：刘淑新[1] 刘丽云 樊俊明 张菁菁[1] 

机构地区：[1]沈阳绿美绿化工程有限公司,沈阳110164 [2]辽宁职业学院农学系,辽宁铁岭112000

出　　处：《农业科技与装备》2010年第6期44-46,50,共4页Agricultural Science & Technology and Equipment

摘　　要：为提高玉米病害诊断和防治水平,概述辽宁玉米主要叶部病害症状特征、发生规律和综合防治措施。大斑病、圆斑病和北方炭疽病喜低温高湿;小斑病、圆斑病、灰斑病和和弯孢菌叶斑病喜高温高湿。在防治上,应以选用抗病杂交种、优化栽培管理、改善农田生态环境、保护和利用天敌为主,辅以必要的药剂防治。This article deals with the symptoms,occurrence and comprehensive therapies of maize leaf diseases so as to improve the detection and treatment of these diseases.Exserohilum turcicum,round AlternariatenuisNees and northernanthracnose prefer low temperature and high humidity environment,while Helminthosporium maydis,Cercospora zeaemaydis Tehon and Daniels,and Curvularia leaf spot prefer high temperature and high humidity environment.In preventing and controlling these diseases,we should select disease-resistant crossbreeds,optimizing cultivation management,improving field eco-environment,protecting and making use of their natural enemies,and applying medicament when necessary.

关 键 词：玉米 叶部 病害 规律 防治 

分 类 号：S435.131[农业科学—农业昆虫与害虫防治]