陕北日光温室黄瓜病虫发生规律及持续控制对策

研究结果表明:陕北日光温室黄瓜主要病虫为霜霉病、灰霉病、黑星病、白粉病、疫病、菌核病、生长点消失症、美洲斑潜蝇、南美斑潜蝇、温室白粉虱。本研究明确了主要病虫田间消长动态及为害性,简述了陕北日光温室黄瓜病虫防治现状,提出了选用抗病品种、嫁接栽培、棚室消毒、设置防虫网、生态调控及选用生物源农药等病虫可持续控制技术对策。

Regularity of Outbreak of Disease and Insect Pests and Contermeasures of Cucumber in Sunlight Glasshouse of Northern Shaanxi

The results of studying indicated that there are mainly downy mildew, gray mold, scab, powdery mildew, blight, sclerotium blight, growing point disappear, liriomyza sativae, south america leaf miner and greenhouse white fly. This paper defined that the change and the harmfulness of the main diseases and insect pests in the field, simply recounted the present state of diseases and insect pests of cucumber in greenhouse in northern Shaanxi, and put forward the technique countermeasures of sustainable controlling diseases and insect pests including selecting disease-resisting and insect-resisting varieties, grafting culture, sterilizing greenhouse, separating technique with prevented-insect net, ecological regulation and selecting pesticide of bio-origin etc.