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Creator:: Oregon State University. Extension Service, Duncan, Andrew A., and MacSwan, Iain C.
Abstract:: Published April 1974. 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:: enlarging. This is a physiologi- cal disease which results from imbalances in water and plant nutrients. It

Creator:: Oregon State University. Extension Service, Maloy, Otis C., and Davison, Arlen D. (Arlen Durant)
Abstract:: Published December 1975. 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:: University, the U. S. Department of Agriculture, and Oregon counties. CEA 4 31 Leaf gall This disease

Creator:: MacSwan, I. C. and Oregon State University. Extension Service
Abstract:: Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: physiological disease resulting from imbalances in water and plant nutrients. It is not caused by fungi or

Creator:: Westigard, Peter H. and Zwick, Robert Ward, 1922-
Abstract:: Since its discovery in Oregon in 1946, the pear psylla, Psylla pyricola Forster, has become the most serious insect pest of pear. Damage to pear trees include the transmission of pear decline disease which has caused losses of trees, injection of a phytotoxic toxin resulting in tree shock and injury,...
Resource Type:: Technical Report
Full Text:: in Oregon P. H. WESTICARD and R. W. ZWICK ABSTRACT Since its discovery in Oregon in 1946, the pear

Creator:: Oregon State University. Extension Service, Hampton, Richard Owen, 1930-, and Koepsell, Paul A.
Abstract:: Published March 1974. 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:: , USDA, and PAUL A. KOEPSELL, Extension Plant Pathology Specialist, Oregon State University Snap beans

Creator:: Oregon State University. Extension Service, Capizzi, Joseph, and Swenson, K. G. (Knud George), 1923-
Abstract:: Published April 1972. 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:: Entomologist, and K. G. SWENSON, Entomology Department, Oregon State University, Corvallis FS 186 April 1972

Creator:: Westigard, Peter H., Lombard, P. B. (Porter B.), and Berry, Donald W.
Abstract:: This publication deals with the development of integrated pest management of insect and mite species that attack pears in southern Oregon. Since about 1900, when the pear industry became firmly established in this area, losses from arthropod pests have been an important and occasionally limiting factor to the continuous production...
Resource Type:: Technical Report
Full Text:: Oregon State University. Integrated Pest Management of Insects and Mites Attacking Pears in Southern

Creator:: Wilmot, Thomas Ray and Oregon State University. Extension Service
Abstract:: Published November 1978. 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:: and Caneberries The strawberry crown moth, Synanthedon bi- bionipennis (Biosduval), is a serious pest

Creator:: Oregon State University. Extension Service, Miller, P. W. (Paul William), 1901-, MacSwan, Iain C., and Bluhm, Wilbur L.
Abstract:: Published March 1975. 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:: ; note dead top and suckers coming from root below the union. OREGON STATE UNIVERSITYA IM EXTENSION n

Creator:: Oregon State University. Extension Service, Berry, Ralph E. (Ralph Eugene), 1940-, and Robinson, Robert Ray, 1941-
Abstract:: Published January 1966. 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:: Stayton, Oregon. Adults of this pest also were found in Jefferson, Crook, Umatilla, Benton, and Linn

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