近年来,随着农业种植结构的调整,保护地蔬菜栽培面积迅速扩大,这为根结线虫的发生、发展提供了适宜的环境,使得土壤中的根结线虫得以积聚繁殖。连作温室的黄瓜和番茄受害更加严重,常造成严重减产或绝收,且病害呈逐 In recent years, with the adjustment of agricultural planting structure, the area of ​​vegetable cultivation in protected areas has rapidly expanded, which provides an appropriate environment for the occurrence and development of root-knot nematodes, allowing root-knot nematodes to accumulate and multiply in soil. Even the greenhouse cucumber and tomato victims more serious, often resulting in serious cut or harvest, and the disease by the