近年来,泸西县番茄种植面积不断增加,2011年达到5万亩,番茄生产已发展成为泸西县的优势产业。但青枯病发生为害日趋严重,且有逐年上升的趋势,轻发生地块死株率20%～30%,重病田死株率40%。除番茄外,该病还为害茄子、甜椒、马铃薯等茄科作物及芝麻、花生等,严重影响蔬菜生产安全。现将番茄青枯病的症状识别、为害规律及其防治方法介绍如下。 In recent years, Luxi County, tomato growing area, reaching 50000 acres in 2011, tomato production has become Luxi County’s dominant industries. However, the incidence of bacterial wilt is becoming more and more serious, and there is a trend of increasing year by year. The rate of dead plants in light land is 20% -30% and that of dead plants is 40%. In addition to tomatoes, the disease is also harmful to eggplant, pepper, potatoes and other solanaceous crops and sesame seeds, peanuts, etc., seriously affecting the safety of vegetable production. Now the identification of tomato bacterial wilt symptoms, damage and prevention methods are described below.