黄瓜上的普发性病害,如霜霉病、枯萎病、白粉病等已引起广大菜农的高度重视,但由于老菜区的连作和新菜区的不断扩大,黄瓜上又出现了新的病害——根结线虫病,在我区已造成严重损失。现把这种病害的发生特点及防治措施介绍如下: 1.发生特点 黄瓜根结线虫病在保护地和露地栽培中均可发生。受害轻的黄瓜植株生育受到抑制,黄瓜产量和品质明显降低;受害重的提早落叶枯 Common diseases on cucumbers, such as downy mildew, blight and powdery mildew, have aroused great attention of the majority of farmers, but new diseases have emerged in cucumbers due to continuous cropping of old vegetable areas and continuous expansion of new vegetable areas - Root-knot nematode disease, in my area has caused serious losses. Now the occurrence of this disease characteristics and prevention measures are described below: 1. Occurrence of cucumber root knot nematode disease in protected and open-field cultivation can occur. Harvest of cucumber plants suffering from light was inhibited, yield and quality of cucumber decreased significantly;