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Creator:: Lightle, Danielle, Lee, J. (Jana), Oregon State University. Extension Service, Washington State University. Extension, and University of Idaho. Cooperative Extension Service
Abstract:: Large raspberry aphid, Amphorophora agathonica, is an important pest in red and black raspberries in the Pacific Northwest. It transmits plant viruses that cause decreased cane vigor and fruit quality, making it a significant pest for growers. This publication includes aphid identification, biology, monitoring techniques, and control methods.
Resource Type:: Technical Report
Full Text:: . However, control of this aphid is important because it transmits several viruses (in the Pacific

Creator:: Johnson, K. J. R. (Kathleen J. R.), Drapek, Raymond James, Fisher, Glenn C., Oregon. State Department of Agriculture, Johnson, Kathleen J. R., and Oregon State University. Extension Service
Abstract:: Published August 1987. 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:: Extension Service is an Equal Opportu- nity Employer. NEW PEST ALERT Russian Wheat Aphid aii

Creator:: DeAngelis, Jack D. and Oregon State University. Extension Service
Abstract:: This publication covers the important aphid and adelgid pests of conifers in Oregon, excluding those that primarily feed on the roots of their host.
Resource Type:: Technical Report
Full Text:: Life cycles Use pesticides safely! Pest descriptions Control Pest calendars Balsam twig aphid

Creator:: Zimmerman, Martin (Martin Joseph) and Oregon State University. Extension Service
Abstract:: Published January 1963. 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:: , located in fencerowt, around buildings, and trashy areas. Control: 1 pound MCPA per acre gives good

Creator:: Fitzsimmons, Jim P., Burrill, L. C., Oregon State University. Extension Service, Washington State University. Cooperative Extension, University of Idaho. Cooperative Extension System, and United States. Department of Agriculture
Abstract:: Published March 1993. A more recent revision exists. Please look for up-to-date information in the OSU Extension Catalog: https://catalog.extension.oregonstate.edu
Resource Type:: Technical Report
Full Text:: in the Columbia Basin where carrot seed is grown require control of wild carrot. Wild carrot causes

Creator:: Oregon State University. Extension Service, Washington State University. Extension Service, and University of Idaho. Agricultural Service
Abstract:: Published March 1974. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Other
Full Text:: seed. Seed magnified 3 diameters. Prepared by Oregon State University Extension weed control

Creator:: Emanuel, Robert, Hulting, Andrew Gerald, Koepke-Hill, Rebecca, and Oregon State University. Extension Service
Abstract:: Woody knotweeds are listed as noxious weeds throughout most of the United States. This publication briefly describes the characteristics and biology of four species of woody knotweeds and summarizes management and control options. Intended for home gardeners and small-acreage landowners.
Resource Type:: Technical Report
Full Text:: extensive roots can per- sist for many years underground, making control a potentially long and expensive

Creator:: Oregon State University. Extension Service, Washington State University. Extension, University of Idaho. Extension, Roché, Cindy Talbott, Burrill, L. C., and Pacific Northwest Cooperative Extension
Abstract:: Squarrose knapweed, introduced from southwest Asia and the Middle East, became weedy in northern California and Utah by the early 1950s. How it was originally introduced is not known, but its spread in California and Utah was associated with the trailing of range sheep. Squarrose knapweed grows in the Klamath,...
Resource Type:: Technical Report
Full Text:: plant is unpalatable. Its ro- settes are grazed by sheep during late winter and spring. Control

Creator:: Warren, Rex 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
Full Text:: Weed Control on Highway Shoulders, Fence Rows, and Ditchbanks

Creator:: Warren, Rex and Oregon State University. Extension Service
Abstract:: Published September 1963. 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:: summer. Good control of this wide range of plants requires careful selection of chemicals, as well as

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