近几年，随着越冬黄瓜栽培的发展，黄瓜根结线虫病蔓延危害越来越严重。根据在苍山县向城镇蔡庄的调查，个别大棚越冬黄瓜在5月上旬几乎全棚感病，以致最后枯死，成为毁灭性的病害，而且还危害其他蔬菜。一、病状主要危害黄瓜根部，表现为侧根和须根较为正常增多，并在幼嫩的须 In recent years, with the development of overwintering cucumber cultivation, cucumber root knot nematode disease is more and more harmful. According to the survey conducted in Cangzhuang, a town in Cangshan, winter cucumbers in individual greenhouses became susceptible to almost all their shelters in early May and eventually died of diseases that were devastating and harmful to other vegetables. First, the main symptoms of cucumber root damage, manifested as lateral roots and fibrous roots more normal increase, and in young tender