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Creator:: Oregon State University. Extension Service, Tuck, Brian V., Bohle, Mylen G., Dreves, A., and Fisher, G.
Abstract:: Winter grain mite, Penthaleus major (Duges), is a small, colorful, cool season mite that damages grass and cereal crops throughout the Pacific Northwest as well as in most other temperate regions of the world. Hosts include most cereals and grasses of economic importance. Winter grain mite has been a frequent...
Resource Type:: Technical Report
Full Text:: A Fall and Winter Pest of Cereals and Grasses in Oregon Figure 1.—Gray-silvery cast to wheat

Creator:: Oregon State University. Extension Service, Peters, Amy, and Fisher, Glenn C.
Abstract:: Armyworms are the larvae (caterpillars) of the moth Pseudaletia unipuncta Haworth. This insect is a serious pest of turf, forage, and seed grasses; small grains; and corn throughout North America. Armyworms can cause sudden, extensive damage to these grasses and grasslike plants. Note that the armyworm does not feed on...
Resource Type:: Technical Report
Full Text:: Armyworms in Grass Pastures and Corn in Western Oregon, EM 8919

Creator:: Kaiser, Clive, Pscheidt, Jay W., Walton, Vaughn M., and Skinkis, Patricia A.
Abstract:: Pesticides, including insecticides, acaricides, fungicides, bactericides, and herbicides are essential for maintaining healthy grape crops with reliable yields and quality. In many instances, pesticides have become less effective as target organisms have developed resistance. The first record of resistance dates to 1897, when orchardists began having problems controlling San Jose...
Resource Type:: Technical Report
Full Text:: Conclusions Insect pest and disease resistance to pesticides remains a problem globally and in the Pacific

Creator:: Kaiser, Clive, Azarenko, A. N. (Anita Nina), Spotts, Robert Allen, 1945-, and Oregon State University. Extension Service
Abstract:: Pesticides—including insecticides, acaricides, fungicides, and bactericides are essential for maintaining healthy crops with reliable yields and quality. In many instances, pesticides have become less effective as target organisms have developed resistance. The first record of resistance dates to 1897, when orchardists began having problems controlling San Jose scale (Quadraspidiotus perniciosus...
Resource Type:: Technical Report
Full Text:: pest and disease resistance to pesticides remains a problem globally and in the Pacific North- west

Creator:: Oregon State University. Extension Service, Hoinacki, Beth, Powelson, Mary L., and Ludy, Robin
Abstract:: In the past decade, Oregon produced on average 344,000 tons of sweet corn for processing on 43,000 acres annually, which ranked the state fourth nationally. Most Oregon sweet corn is grown in the Willamette Valley where, along with green beans, it is a mainstay of the processed vegetable industry. However,...
Resource Type:: Technical Report
Full Text:: causal agents and disease cycle of root rot of sweet corn in the Willamette Valley. Causal agents of

Creator:: Oregon State University. Extension Service, Aldrich-Markham, Susan, Pirelli, Gene J., and Craig, A. Morrie
Abstract:: Published August 2007. A more recent revision exists. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: and for export to Japan, Korea, and Taiwan. In several instances in Oregon, livestock producers have

Creator:: Oregon State University. Extension Service, Shaffer, Raymond Glen, Sampalo, T. L., Pinkerton, J., and Vasconcelos, M. C.
Abstract:: Grafting, which involves combining two different varieties or species to form a plant with new characteristics, is a technique known from ancient times in tree fruit and grape production. It was, however, used in viticulture only for certain special cases: to change variety, increase vigor, or increase limestone tolerance.
Resource Type:: Technical Report
Full Text:: exception of Chile and parts of Australia. In Oregon, phylloxera was first dis- covered at a commercial

Creator:: Oregon State University. Extension Service, Walton, Vaughn M., Chambers, U. (Ute), Dreves, A., Bruck, D. J., and Olsen, J.
Abstract:: Hazelnuts are produced in many countries, including the United States. Hazelnuts are grown on approximately 30,000 acres in the Willamette Valley, accounting for about 99 percent of U.S. production and 5 percent of world production. Turkey produces more than 70 percent of total world hazelnut production. Hazelnut species that occur...
Resource Type:: Technical Report
Full Text:: changes in the insect pest and disease complex. In order to continue the production of superior quality

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