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Creator:: Willett, Mike and Westigard, Peter H.
Abstract:: Petroleum oils have been used to suppress insect and mite pests for 100 years. Beginning in the 1880's, when kerosene was first used to control scale and aphids, to the present use of highly refined petroleum derivatives, these products have provided growers with a unique tool in their battle against...
Resource Type:: Technical Report
Full Text:: Peter H. Westigard, professor of entomol- ogy, Southern Oregon Experiment Station, Oregon State

Creator:: Baker, Mary Jean, Johnson, Evelyn H., Kelley, Fern S., and Brand, Jean
Abstract:: Reprinted July 1983. 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:: Learning Object
Full Text:: by Dr. Mary Jean Baker in collaboration with Dr. Evelyn H. Johnson, Fern S. Kelley, and Jean Brand

Creator:: Baker, Mary Jean, Johnson, Evelyn H., Kelley, Fern S., and Brand, Jean
Abstract:: Reprinted July 1981. 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:: Learning Object
Full Text:: pop. Prepared by Dr. Mary Jean Baker in collaboration with Dr. Evelyn H. Johnson, Fern S. Kelley

Creator:: Baker, Mary Jean, Johnson, Evelyn H., Kelley, Fern S., and Brand, Jean
Abstract:: Reprinted July 1984. 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:: Learning Object
Full Text:: . Prepared by Dr. Mary Jean Baker in collaboration with Dr. Evelyn H. Johnson, Fern S. Kelley and Jean

Creator:: Demezas, David H. and Bottomley, Peter J.
Abstract:: The International Hill Land Symposium was held at Oregon State University in April 1983.
Resource Type:: Conference Proceeding
Full Text:: H. Demezas and Peter J. Bottomley Departments of Microbiology and Soil Science Oregon State

Creator:: Flexner, J. L. and Westigard, Peter H.
Resource Type:: Conference Proceeding
Full Text:: Twospotted spider mite on pear J. L. Flexner and P. H. Westigard Oregon State University Southern Oregon

Creator:: Westigard, Peter H., VanBuskirk, Philip, Southern Oregon Agricultural Experiment Station, and Oregon State University. Agricultural Experiment Station
Abstract:: This report includes information concerning experimental use of unregistered pesticides or unregistered uses of pesticides. Experimental results should not be interpreted as recommendations for use. Use of unregistered materials or use of any registered pesticides inconsistent with its label is against both Federal Law and State Law.
Resource Type:: Technical Report
Full Text:: ANNUl\L REPORT OF RESEARCH IN ENTONDLOGY Peter H. Westigard, Professor of EntomoTogy PhiT VanBuskirk

Creator:: Westigard, Peter H., Southern Oregon Agricultural Experiment Station, and Oregon State University. Agricultural Experiment Station
Abstract:: This report includes information concerning experimental use of unregistered pesticides or unregistered uses of pesticides. Experimental results should not be interpreted as recommendations for use. Use of unregistered materials or use of any registered pesticides inconsistent with its label is against both Federal Law and State Law.
Resource Type:: Technical Report
Full Text:: Flexner, Brian Croft, Peter H. Westigard. 2. Twospotted Spider Mite: Control with various formulations of

Creator:: Westigard, Peter H., Southern Oregon Agricultural Experiment Station, and Oregon State University. Agricultural Experiment Station
Abstract:: This report includes information concerning experimental use of unregistered pesticides or unregistered uses of pesticides. Experimental results should not be interpreted as recommendations for use. Use of unregistered materials or use of any registered pesticides inconsistent with its label is against both Federal Law and State Law.
Resource Type:: Technical Report
Full Text:: Spider Mite: Dispersal from orchard groundcover and influence on levels of organotin resistance. Peter

Creator:: Westigard, Peter H., Southern Oregon Agricultural Experiment Station, and Oregon State University. Agricultural Experiment Station
Abstract:: This report includes information concerning experimental use of unregistered pesticides or unregistered uses of pesticides. Experimental results should not be interpreted as recommendations for use. Use of unregistered materials or use of any registered pesticides inconsistent with its label is against both Federal Law and State Law.
Resource Type:: Technical Report
Full Text:: Peter H. Westigard, Prof. Entomology z. f‘1‘ o*§iQ,' ‘\~ §_ ~* if§ *1»4-I‘ 11".~ »~§ *5

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