新化县稻田害虫的消长及防控策略  

Growth and Decline of Rice Field Pests in Xinhua County and Their Control Strategy

作　　者：邹美汝 孙子凤 ZOU Mei-ru;SUN Zi-feng(Agriculture and Rural Bureau of Xinhua County,Xinhua 417600,PRC)

机构地区：[1]新化县农业农村局,湖南新化417600

出　　处：《湖南农业科学》2020年第5期55-57,共3页Hunan Agricultural Sciences

基　　金：湖南省农药安全监管专项资金(湘财农指[2018]12号)。

摘　　要：简述了新化县主要害虫逐年衰落、次要害虫日趋猖獗、种间虫代不断变化和危害影响逐年加重等水稻害虫消长实况,从种植结构调整较大、栽培品种更迭较快、农艺措施不断改进、自然天敌增减明显等方面分析影响新化县害虫消长的因素,从稻田多样种植、推广抗虫品种、改进农艺措施、利用保护天敌、优化配套措施、科学合理用药等6个方面提出水稻害虫防控策略。Along with the development of rice pests control in Xinhua County,primary rice insect populations are on a large decline,secondary insect populations are growing rapidly,at the same time,interspecies alternation occurs frequently,causing more and more damage to rice production yearly.This paper has summarized the growth and decline of rice pests in Xinhua County,analyzed the factors affecting the growth and decline from the aspects of large-scale adjustment of planting structure,rapid replacement of cultivated varieties,continuous improvement of agronomic measures,obvious increase and decrease of natural enemies,etc.,and put forward the pest control strategies of diversifying cultivation in rice fields,promoting resistant varieties,improving agronomic measures,fully using and protecting natural enemies,optimizing compatible techniques,using chemicals scientifically and rationally,etc.

关 键 词：新化 稻田 害虫 防控 策略 

分 类 号：S43[农业科学—农业昆虫与害虫防治]