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Subjects
Forests and forestry, Forest insects, Gypsy moth, ControlPlaces
United StatesShowing 1 featured edition. View all 1 editions?
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The gipsy moth as a forest insect: With suggestions as to its control
1913, U.S. Dept. of Agriculture, Bureau of Entomology
in English
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Book Details
Table of Contents
The gipsy-moth situation: Past and present. pp. 1.
Causes of the improved conditions
Results of parasite importation. pp. 2.
The 'wilt" disease of the gipsy moth. pp. 3.
Artificial utilization of the "wilt" disease. pp. 5.
Natural control of the gipsy moth abroad. pp. 7.
Forest conditions as a factor in control. pp. 9.
Relative susceptibility of American forest trees to gipsy moth attack. pp. 11.
Relative susceptibility of mixed forests. pp. 14.
Relation of underbrush to the forest
Relative resistance of different trees of the same species. pp. 15.
Suggestions for the management of forest lands with reference to the gipsy moth. pp. 16.
The immediate requirements of the situation. pp. 19.
Edition Notes
Circular No. 164.
"Issued January 17, 1913."
At head of title: United States Department of Agriculture, Bureau of Entomology.
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