辣椒“三落一枯”即落叶、落花、落果及植株枯萎。引起“三落一枯”的病害主要有病毒病、细菌性斑点病(疮痂病)、青枯病和枯萎病。这些病害发生期相近,为害症状大体相似,往往由于未能确诊,药不对症而延误防治适期.导致减产或绝收。因此,识别这些病害.有针对性地进行防治十分重要。一、病毒病症状:辣椒病毒病是全株性病 Chili “three dead one dead” that is deciduous, falling flowers, fallen fruit and plants withered. The diseases that cause “falling asleep” are mainly viral diseases, bacterial speck (scab), bacterial wilt and blight. The occurrence of these diseases are similar, damage symptoms are generally similar, often due to failure to diagnose, medicine is not right and delay the prevention and control of the appropriate period, leading to reduced production or harvest. Therefore, it is very important to identify and control these diseases in a targeted manner. First, the virus symptoms: pepper virus disease is the whole plant venereal disease