Study on the Effective Prevention and Control of Maize Rough Dwarf Disease in Different Areas with Varying Epidemic Intensity in Shandong Province  

山东省玉米粗缩病流行强度不同地区药剂有效防治研究

作　　者：王升吉[1] 赵玖华[1] 杨向黎 辛相启[1] 吴斌[1] 尚佑芬[1] 张眉[1] 袁圆圆 

机构地区：[1]山东省农业科学院植物保护研究所/山东省植物病毒学重点实验室,山东济南250100 [2]山东农业工程学院,山东济南250100 [3]济南市农业科学院,山东济南250316

出　　处：《Agricultural Science & Technology》2014年第10期1703-1706,1709,共5页农业科学与技术（英文版）

基　　金：Supported by National Public Welfare Industry Research Project of China(201003031);Science and Technology Development Program of Shandong Province(2009GG10009015);Agricultural Science and Technology Innovation Program of Jinan City(201302637-1)~~

摘　　要：[ Objective] This study aimed to investigate the effective prevention and control of maize rough dwarf disease in different areas with varying epidemic inten-sity in Shandong Province. [Method] Control effects of single application of virus in-hibitors and composite application of virus inhibitors with seed dressing agents and pesticides on maize rough dwarf disease in different areas with varying epidemic intensity were investigated. [Result] The same treatment possessed entirely different effects in severely affected areas and slightly affected areas. To be specific, single application of virus inhibitors in slightly affected areas exhibited good control effects, with a control efficiency of 76.59% and yield increment rate of 158.21%; in severely affected areas, single application of virus inhibitors led to low control efficiency and yield increment rate. The highest control efficiency of composite application of virus inhibitors with seed dressing agents and pesticides in severely affected areas was 71.38%, and experimental plots changed from total crop failure to have certain eco-nomic output. [Conclusion] ln different areas with varying epidemic intensity of maize rough dwarf disease, different application modes should be adopted according to lo-cal conditions, thereby saving cost and improving control efficiency.[目的]探讨山东省玉米粗缩病流行强度不同地区药剂有效防治。[方法]该研究在山东省玉米粗缩病流行强度不同地区,分别进行了玉米苗期病毒抑制剂类农药单施和与其它药剂复合施用的防治效果。[结果]同一施药方式,在玉米粗缩病重发区和轻发区,产生截然不同的效果。病毒抑制剂类药剂在玉米粗缩病轻发区单施,即可起到较好的防治效果,防效为76.59%,增产率158.21%,而在该病重发区,单施病毒抑制剂类药剂防效和增产率都很差;病毒抑制剂类药剂与其它类药剂复合施用时,在病害重发区,最高防效达71.38%,由绝产转为有一定经济产量。[结论]对玉米粗缩病轻重不同的地区,应因地制宜采取有所区别的施药方式,该病害的药剂防治才会达到节本增效的目的。

关 键 词：Maize rough dwarf disease Epidemic intensity Virus inhibitors Chemical control 

分 类 号：S435.131.4[农业科学—农业昆虫与害虫防治]