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Creator:: Shaw, David Carl, 1955-, Oester, Paul T., Filip, Gregory M., and Oregon State University. Extension Service
Abstract:: Discusses options for managing major insect pests and diseases of conifers in Oregon forests: bark beetles, wood borers, and ambrosia beetles; defoliators; aphids, adelgids, and scale insects; terminal and branch insects and pitch moths; root diseases; stem decays; foliage diseases; canker diseases and canker-causing rust diseases; and mistletoes. Extensive references...
Resource Type:: Technical Report
Full Text:: do not attempt to cover every insect and disease, only the most common and economically important

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:: plantations, conifer nurser- ies, and landscape plantings. The Identification Key lists the tree species

Creator:: Oregon State University. Extension Service, Kavanagh, Kathleen L., 1955-, Filip, Gregory M., and Rogers, William Reinhold
Abstract:: This publication discusses the environmental requirements of needle diseases, their potential impact on tree vigor, when disease levels signal a problem, and what you can do to minimize damage.
Resource Type:: Technical Report
Full Text:: disease impact on the tree .. 2 Determining disease impact on tree growth and survival

Creator:: Duddles, Ralph E., DeCalesta, David S., and Oregon State University. Extension Service
Abstract:: Voles, or meadow mice as they’re commonly called, can cause significant economic damage to conifer seedlings on reforestation sites and Christmas tree plantations.
Resource Type:: Technical Report
Full Text:: 1992 $1.00 Reforestation Controlling Vole Damage to Conifer Seedlings R.E. Duddles and D.S

Creator:: DeCalesta, David S., Asman, K., and Oregon State University. Extension Service
Abstract:: Published July 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:: Other
Full Text:: girdle (remove bark from) the base of conifer seedlings and saplingscausing significant economic losses

Creator:: Oregon State University. Extension Service, DeCalesta, David S., Asman, K., and Allen, Nancy
Abstract:: Pocket gophers girdle (remove bark from) the bases of conifer seedlings and saplings, causing significant economic losses. This publication will help you design a program to reduce or eliminate gopher damage to seedlings and saplings in your forest plantation or Christmas tree farm.
Resource Type:: Technical Report
Full Text:: .—Typical Oregon pocket gopher. damage conifer seed- lings on thousands of acres in Washington, Idaho, and

Creator:: Oregon State University. Extension Service, Pscheidt, Jay William, Moore, D. L., Olsen, J. L., and Long, L. E.
Abstract:: Published April 1991. 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:: Other
Full Text:: , and LE. Long publication has been compiled to Table 1.Cherry cultivar susceptibility (S = severe; M

Creator:: Oregon State University. Extension Service and Yang, Wei Qiang
Abstract:: In the blueberry production regions of Florida, Georgia, and Mississippi, blueberry gall midge is a serious insect pest that affects rabbiteye and southern highbush blueberries, causing substantial yield loss by damaging flower buds. The midge is present from the southeastern to the northern United States, where it feeds on vegetative...
Resource Type:: Technical Report
Full Text:: pest that affects rabbiteye and southern highbush blueberries, causing substantial yield loss by

Creator:: MacSwan, Iain C. and Oregon State University. Extension Service
Abstract:: Published January 1965. 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:: blisters soon develop in the fleck areas, and in 2 to 3 weeks the lower side of the blisters produces a

Creator:: Oregon State University. Extension Service, Walton, Vaughn M., Chambers, U. (Ute), and Olsen, Jeff L.
Abstract:: With color photos and text, describes principal insect pests of hazelnuts (filberts) including their life stages, symptoms of infestation, and techniques for sampling population levels. Also describes beneficial insects (generalist natural enemies) that can combat pest insects.
Resource Type:: Technical Report
Full Text:: Hazelnut Pest and Beneficial Insects: An

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