廊坊永定河沿岸杨树防护林溃疡类病害发生调查与鉴定  

The occurrence status and prevention of poplar canker disease along Yongding River of Langfang

作　　者：廖钫哲 王子夜 赵亚楠 侯沛轩 严东辉[1] LIAO Fangzhe;WANG Ziye;ZHAO Ya′nan;HOU Peixuan;YAN Donghui(Ecology and Nature Conservation Institute,Chinese Academy of Forestry/Key Laboratory of Forest Protection,National Forestry and Grassland Administration,Beijing 100091,China;Hebei Forestry and Grassland Engineering Project Center,Shijiazhuang,Hebei 050081,China)

机构地区：[1]中国林业科学研究院森林生态环境与自然保护研究所/森林保护学国家林业和草原局重点实验室,北京100091 [2]河北省林业和草原工程项目中心,河北石家庄050081

出　　处：《河北林业科技》2024年第1期44-48,共5页Journal of Hebei Forestry Science and Technology

基　　金：国家重点研发计划课题(2022YFD1401003)。

摘　　要：通过设立标准地对永清县和安次区永定河沿岸的杨树开展了溃疡类病害调查,调查内容主要包括发病情况、溃疡类型、症状及严重程度,并确定其主要病原。结果表明:当地病害发生率较高,多数发病率在35%~60%,整体危害程度为中度,发病指数在7~22,个别林地发病严重,死树率>20%。主要病害类型为水泡溃疡病及腐烂病,相关病原菌分别为葡萄座腔菌(Botryosphaeria dothidea)和黑腐皮壳菌(Valsa sordida),细菌性溃疡在这次调查中未发现。调查为当地杨树防护林的病害防治提供了工作基础。The investigation of canker diseases was carried out on poplar along Yongding River in Anci District of Yongqing County by setting up standard plots.The investigation mainly included canker types,symptoms and severity,and determined its main pathogens.The results showed that the incidence disease incidence,rate of local diseases was high,most of the incidence rate was 35%~60%.The overall level of harm was materate,the incidence index was 7~22,the individual forest land was serious,and the dead tree rate was>20%.The main disease types were Blister canker and Valsa canker.The related pathogens were Botryosphaeria dothidea and Valsa sordida respectively.Bacterial ulcer was not found in this survey.The investigation provides a working basis for the disease control of local poplar protection forest.

关 键 词：杨树 病害调查 防治 

分 类 号：S763.7[农业科学—森林保护学]