滁州市园林树木病害调查及防治措施

Investigation on the Diseases of Landscape Trees in Chuzhou City and their Control Strategies

目的:滁州市园林树木病害的种类及危害情况。方法:于2014年3月至2015年11月期间,连续两年对滁州市主要道路、公园和居住区的园林树木病害采用踏查和样地调查相结合的方式进行调查。结果:园林树木主要病害有9类,其中叶部病害6类,枝干病害3类;发病较重的有月季白粉病、大叶黄杨白粉病、杨树叶锈病、金叶女贞褐斑病、桂花煤污病、夹竹桃煤污病、槐树溃疡病、香樟黄化病。结论:分析指出城市园林树木病害发生的主要原因为:城市树木生长的立地条件差、诱发病害的栽培管理措施和盲目使用广谱性的杀菌剂。同时对园林树木病害提出了相应的防治措施。

Objective:To investigate species and damage of garden tree diseases in Chuzhou City.Methods:From March 2014 to November 2015,the main roads,parks and residential areas of Chuzhou City were investigated by a combination of step up and sample plots.Results:There were 9 main diseases of garden trees,of which 6 types of leaf diseases and 3 kinds of branches occurred.The serious diseases include powdery mildew of Chinese rose,powdery mildew of Euonymus japonica,Poplar leaf rust,brown spot of Ligustrum vicaryi,sooty blotch of Osmanthus fragrans,sooty blotch of Nerium indicum,canker disease of Sophora japonica and chlorosis of Cinnamomum camphora.Conclusion:The main reasons for the disease of urban garden trees are:the poor site conditions of the urban tree growth,the cultivation and management measures to induce the disease,and the blind use of broad-spectrum fungicides.At the same time,corresponding prevention and control measures were put forward.