西藏设施蔬菜白粉病的发生规律及防治技术

近年来，随着政府建设特色产业力度的不断加大，我区设施蔬菜的种植面积猛增，这在为种植户带来较高收入的同时。也因栽培管理技术、重茬、防治措施等原因导致蔬菜病虫害的发生日趋严重。白粉病是我区设施蔬菜栽培中的常发病害，为害严重。为此，笔者对我区设施蔬菜白粉痛的发生为害情况进行了详细调查，结合药效试验，集成综合防治技术，以期为我区蔬菜白粉病的科举防治提供技术依据．

The occurrence regularity and control techniques about powdery mildew of protected vegetable in Tibet

Increases the construction dynamics of Government in Recent years, the Planting Area of protected vegetable increase suddenly in Tibet. This is can secure farmer＇s profit and due to Cultivation Management and Technical Measures, successive crop and control techniques, the occurence of vegetable pests become increasingly severe. Powdery mildew is a disease that often happens in Tibet and caused se- vere damage. On the basis of detailed survey of occurrence and damage situation about powdery mildew Combined with Efficacy Test in Tibet, The integrated control techniques was put forward by author.This is provide the technological basis for Scientific Prevention and Treatment about powdery mildew of protected vegetable Production in Tibet.