柑橘苗疫病是柑橘苗期的重要病害之一,但在众多柑橘（果树）类病虫防治教材、图书以及专业期刊中少有记载和报道。在生产上易被误认作柑橘炭疽病（Colletotrichum　gloeospori-oides　Penz）或苗木立枯病（Rhizoctonia　SolaniKühn）。笔者通过近几年在广两资源县及其邻近区域一些柑橘育苗基地调查发现,该病易造成严重经济损失,且其发生呈上升趋势,应引起重视。1 发病症状与诊断 Citrus disease is one of the most important diseases in citrus seedling stage, but it has not been reported and reported in many citrus pest control books, books and professional journals. It is easily mistaken for production as Colletotrichum gloeospori-oides Penz or Rhizoctonia Solani Kühn. In recent years, the author of some citrus nursery bases in Guangzhou and Liangzi counties and their neighboring counties found that the disease could cause serious economic losses and its occurrence is on the rise, which deserves great attention. 1 symptoms and diagnosis