近年来由于种植结构调整及一些人为因素影响,我国北方保护地蔬菜根结线虫病呈明显加重态势,已成为保护地蔬菜生产的障碍。药剂防治是目前控制蔬菜根结线虫病的主要手段,如何根据生产实际,发挥药剂防治的优势,避免负面影响,安全、有效、经济地控制根结线虫病已成为当前蔬菜生产 In recent years, due to the adjustment of planting structure and some man-made factors, the root-knot nematode disease in northern protected areas of our country is obviously aggravated, which has become an obstacle to the production of vegetables in protected areas. The prevention and control of pesticide is the main method to control root-knot nematodes in vegetables. How to control the root-knot nematode disease safely, effectively and economically by using the advantages of medicament prevention and control according to the actual production and avoiding the negative influence has become the current vegetable production