花生开花下针期是花生生长的中后期,此时群体密度大,又正值高温高湿期,花生病虫害极易发生,做好这一时期病虫害的防控,对获取花生高产丰收具有重要意义。花生进入中后期发生的几种主要病虫有以下几种:根腐病根腐病是花生重要病害之一,在花生各生育期均可发生,但以苗期和生育后期最易发病。主要危害花生的根部。花生出苗前染病,可引起烂 Peanut flowering is the middle and late stages of peanut flowering, when the population density, but also at high temperature and humidity period, peanut pests and diseases easily occur, do a good job of pest control during this period, to obtain peanut yield and yield is of great significance . Peanuts into the middle and late stages of several major pests are as follows: Root rot Root rot is one of the peanut diseases, peanut can occur in all growth stages, but the most likely to disease and seedling stage. Mainly endanger the roots of peanuts. Pre-emergence of peanut disease, can cause bad