Index Catalog // ScholarsArchive@OSU

Creator:: Oregon State University. Agricultural Experiment Station, Zwick, R. W. (Robert Ward), 1922-, and Fields, G. J.
Abstract:: Published April 1977. 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:: F~i/e. Co^ Integrated Control of Pear Psylla in Oregon's

Creator:: Westwood, Melvin N. (Melvin Neil), 1923- and Oregon State University. Extension Service
Abstract:: Published August 1962. 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:: 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:: of pear psylla biology are discussed in relation to the pest's control. Natural enemies are known to

Creator:: Crabtree, Garvin and Oregon State University. Extension Service
Abstract:: Published January 1962. 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:: FS 14 August 1962 Weed Control in Pear Orchards Weeds

Creator:: Spotts, Robert Allen, 1945-, Castagnoli, S., and Oregon State University. Extension Service
Abstract:: This publication gives a concise description of the causes, symptoms, and disease cycle of pear scab. It also describes the OSU-MCAREC three-part model to predict scab risk and help time fungicide sprays. Integrating nonchemical methods and fungicide applications optimized with the OSU-MCAREC model can result in production of high-quality pears...
Resource Type:: Technical Report
Full Text:: and management 3 Control Effective control of pear scab may be accomplished with well-timed

Creator:: Oregon Agricultural College. Experiment Station and Hartman, Henry, 1889-
Abstract:: Published June 1925. 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:: Experiment Station The Control of Core Break- down in Pears By HENRY HARTMAN CORVALLIS. OREGON The

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:: Tactics 5 Spider Mites 9 Life History 10 Damage 12 Sampling 13 Control Tactics 15 Pear Psylla 19 Life

Creator:: Oregon State College. Agricultural Experiment Station and Wilcox, Joseph, 1901-
Abstract:: Published January 1931. 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:: TPJIPS HE LRECrOH by 1_COX 1ff4p4i c0 The pear or rune thrips (TaeniothrPS inconseaueflS Uzcl) havefl

Creator:: Oregon State College. Agricultural Experiment Station, Jones, Sidney Carroll, 1898-1974, and Mote, Don C. (Don Carlos), 1887-
Abstract:: Published May 1940. 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:: those found to be most effective in the control of pear thrips on prunes: 1. Oil emulsion, having the

Creator:: Oregon State College. Agricultural Experiment Station, Jones, Sidney Carroll, 1898-1974, and Mote, Don C. (Don Carlos), 1887-
Abstract:: Published February 1936. 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:: COLLEGE L A. Schoenfeld, Director Circular of Infrmaticn No. 3.47 February, 1936 CONTROL OF THE PEAR

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