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苗木产地检疫工作是森林病害防治工作的重要环节,是防止危险性病虫害传播蔓延的重要手段,同时也是巩固造林绿化成果、发展优质高效林业的重要基础。随着我国三北四
The quarantine work of seedling origin is an important part of forest disease prevention and control and an important measure to prevent the spread of dangerous pests. It is also an important foundation for consolidating afforestation achievements and developing high quality and efficient forestry. With our three North Fourth