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Filtering by: In Series Technical bulletin (Oregon State College. Agricultural Experiment Station) Subject Pear -- Diseases and pests -- Oregon

Bionomics and control of the two-spotted spider mite on pear in southern Oregon

Creator:

Westigard, Peter H., Lombard, P. B. (Porter B.), and Berry, Donald W.

Abstract:

Published November 1967. 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:

-Spotted Spider Mite on Pear in Southern Oregon Agricultural Experiment Station Oregon State University
Stony pit of pear in Oregon

Creator:

Milbrath, John A., 1909-

Abstract:

Published June 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:

ricultural Experiment Station Oregon State University Corvallis, Oregon The following people cooperated
The pear psylla in Oregon

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:

Pear Psylla in Oregon Technical Bulletin 122 AGRICULTURAL EXPERIMENT STATION Oregon State University

ScholarsArchive@OSU

Bionomics and control of the two-spotted spider mite on pear in southern Oregon

Stony pit of pear in Oregon

The pear psylla in Oregon

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