Index Catalog // ScholarsArchive@OSU

Creator:: Pernot, E. F. (Emile Francis), 1859 and Oregon Agricultural Experiment Station
Abstract:: Published November 1900. 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

Creator:: Cordley, A. B. (Arthur Burton), 1864-1936, Cate, C. C. (Claude Clifton), 1882-, and Oregon Agricultural College. Experiment Station
Abstract:: Published August 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:: is necessary to control the twigblight and the fruitspot. Spraying just as the buds are swelling in

Creator:: Oregon Agricultural Experiment Station and Cordley, A. B. (Arthur Burton), 1864-1936
Abstract:: Published February 1902. 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:: apparent living first causes which control the abundance of a species in a given region, provided we trace

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: destructive work 35 Natural enemies 35 Insects 35 Disease and sap flow . 36 Methods of control 36

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: sugges- tions might be of practical value in the control of insects in large plantations and forests

Creator:: Webb, J. L. (Jesse Lee), 1878-1942 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: effective in keeping the insect under control, especially in localities where only a few trees are

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Abstract:: The locust borer and its relation to detrimental and destructive injuries to the black or yellow locust in the eastern United States have been subjects of special investigations by the Bureau of Entomology during the past two years, which have resulted in the determination of practical methods of control.
Resource Type:: Technical Report
Full Text:: BORER' AND METHODS FOR ITS CONTROL. By A. D. HOPKINS, In Charge of Forest Insect Investigations. The

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