现代温室甜椒主要病虫害发生与防治

THE OCCURRENCE AND CONTROL OF DOMINANT INSECT PESTS AND DISEASES ON SWEET PEPPER IN ADVANCED GREENHOUSES

上海地区现代温室甜椒病虫害种类调查表明，桃蚜、朱砂叶螨、侧多食跗线螨、病毒病、疫病和菌核病等为主要病虫害；调查研究了它们的发生特点与流行规律；研究建立了以使用抗性品种和温室消毒为基础，以生态调控、生物防治和物理防治为主要技术手段，辅以高效低毒农药的综合防治技术体系。应用该技术体系可以有效控制甜椒病虫的发生与为害，害虫的防治效果达９３．６％，病害发生率可控制在０．２３％以下。

Species and occurrnces of insect pests and pathogens in som advanced green- houses in Shanghai suburbs were investigated. The results showed that Myzus persicae,Te- tranychus cinnabarnius, Polyohagotarsonemus latus, Spodoptera exigua,S,litura,TMV, Sclertinia slclerotiorum,Phytophora capsici,etc. are dominant species,and their occurrence traits and epidemic regularity on sweet pepper were researched Based on these investigation and research results, an integrated pest management (IPM) system combining use of disease-resistant vaneties, sterilization technique,regulation of ecological environment,natural enemies,entrap light,yellow sticky boards and application of low toxicity and low-residue chemical was designed The experiment results indicated that the IPM system was good for controlling insect pests and diseases on sweet pepper in advanced greenhouse ,and the averge control effect of insect pests was 93.6%, the percent of disease-infected plants was under 0.23%.