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Imported pests threaten American forests and crops
The article details invasive insects and plant diseases from abroad, including the Hessian fly and chestnut blight, their economic tolls, and the U S policy embargo on plant imports to curb further damage. It emphasizes native natural enemies, the need to remove currant and gooseberry hosts for white pines, and the ongoing battle against these pests.
MENTIONED IN THIS ARTICLE
America
Charles Lathrop Pack
American Forestry Association
American Forestry
Pennsylvania
United States
San Jose
Orient
Long Island
New York
France
Pur
Boston
Agricultural Department
Bureau of Entomology
United States Department of Agriculture
Cotton
Mexico
Old World
Europe
Germany
Holland