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Filtering by: Subject Plants, Ornamental -- Diseases and pests -- Oregon Decade 1900-1909

Three species of apple plant lice in Oregon

Creator:

Wilson, H. F. (Harley Frost), 1883-

Abstract:

Published February 1909. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

Agricultural College And Experiment Station Three Species of Apple Plant Lice in Oregon BY H. F. WILSON
Two apple tree borers

Creator:

Wilson, H. F. (Harley Frost), 1883- and Oregon Agricultural College. Experiment Station

Abstract:

Published December 1909. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

1000 Circular Bulletin No. 15 Crop Pest Series No. 5 Oregon
Insect enemies of the pine in the Black Hills Forest Reserve : an account of results of special investigations, with recommendations for preventing losses

Creator:

Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology

Resource Type:

Technical Report

Full Text:

to the rapid and certain death of the trees thus infested. The Oregon Tomicus (Tomicus oregoni Eichh