论文部分内容阅读
库尔勒市棉花主要病害有棉花枯萎病、黄萎病,主要虫害有棉叶螨。本文根据其发生规律,提出相应的防治措施。1棉花枯萎病、黄萎病1.1病害发生规律棉花枯萎病、黄萎病侵染维管束,棉株茎杆断面维管束褐变,受害植株叶片萎缩、蕾铃脱落、棉铃变小,此类病害应以预防为主,尽早防治。
The major cotton diseases in Korla City are cotton blight and Verticillium wilt. The main insect pests are cotton spider mites. According to the law of its occurrence, this article puts forward the corresponding prevention measures. 1 Fusarium Wilt and Verticillium Wilt 1.1 The Occurrence Regularity of Diseases Cotton Fusarium wilt and Verticillium wilt infected the vascular bundles, the vascular bundles of the stalks of the cotton plants turned brown, the leaves of the affected plants shrank, the buds fell off and the bolls became smaller. These diseases Prevention should be the main prevention and control as soon as possible.