随着荸荠栽培年份的增加，种植面积的扩大，荸荠杆枯病（本地俗称荸荠瘟）发病面积越来越大，发生程度也越来越重，发病田块减产严重，本人在经过多年摸索、反复试验的基础上，总结出一种系统防治方法，用于实践，防治效果较理想。一、发病症状该病主要为害荸荠叶鞘、茎杆。当 With the increase of water chestnut cultivation years, the expansion of planting area, water chestnut rod blight (local commonly known as water chestnut plague) the incidence of more and more areas, the degree of occurrence more and more serious disease yield reduction, I am after years of groping, On the basis of repeated tests, a systematic prevention and cure method is summarized, which is used in practice and the control effect is better. First, the incidence of symptoms The disease is the main damage water chestnut leaf sheath, stem. when