杨树也是一种病虫害发生较多的树种，其中杨树叶枯病作为其中的一项主要病害，严重影响了杨树诸多方面效益。
Poplar is also a species pest occurred more, poplar leaf blight disease is one of the main disease which has a serious impact on many aspects of poplar benefits.
杨树也是一种病虫害发生较多的树种，其中杨树叶枯病作为其中的一项主要病害，严重影响了杨树诸多方面效益。
Poplar is also a species pest occurred more, poplar leaf blight disease is one of the main disease which has a serious impact on many aspects of poplar benefits.
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