防治黄瓜根结线虫病法

• 作 者: 赵宝强
• 机 构: 晋州市农技中心 邮编:052260
• 出 处: 河北农业
• 发表日期: 2002年08期
• 关键词: 黄瓜根结线虫病 危害部位 齐螨素 病残体 灌根 植株长势 中午高温 受害植株 农技中心 轮作倒茬

黄瓜根结线虫病，是黄瓜产区的主要病虫害之一。其危害部位主要在根部，一般受害植株的侧根或须根上表现出大小不等的根结，剖开后可见许多乳白色的线虫。黄瓜从幼苗到成株均可受害。苗期受害后轻者地上部无明显症状，重者生长缓慢，子叶从尖端凋枯；成株受害轻时仍可结瓜，但

Cucumber root-knot nematode disease is one of the major pests and diseases in cucumber producing areas. The harms of the roots are mainly in the roots, the roots or the fibrous roots of the affected plants show root knots of varying sizes, and many milky white nematodes are seen after dissection. Cucumber from seedlings to adult can suffer. After the seedling stage, there was no obvious symptom in the light part of the light, while in severe cases the growth was slow and the cotyledons withered from the tip;