本文简要描述了11个地区不同种源的河北杨9种叶斑病的症状、病原、分布和感病情况。
Describes the symptoms, pathogens and distributions of 9 Leaf spots of Populus hopeiensis in 11 different regions.
本文简要描述了11个地区不同种源的河北杨9种叶斑病的症状、病原、分布和感病情况。
Describes the symptoms, pathogens and distributions of 9 Leaf spots of Populus hopeiensis in 11 different regions.
应用推荐