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Creator:: Spotts, Robert Allen, 1945-, Castagnoli, S., and Oregon State University. Extension Service
Abstract:: Gray mold, one of the most serious decay problems for pear fruit in the Pacific Northwest, is estimated to cause about $6 million in losses to the pear industry each year due to fruit rot in storage. These losses can be minimized by recognizing the factors that contribute to disease...
Resource Type:: Technical Report
Full Text:: and managing gray mold rot of pear in Oregon 1 Robert A. Spotts, professor emeritus, Mid-Columbia

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 R.A. Spotts and S. Castagnoli Robert A. Spotts, professor emeritus, Mid-Columbia

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:: ), Umatilla County; Anita Nina Azarenko, Department of Horticulture; and Robert A. Spotts, Mid-Columbia

Creator:: Oregon State University. Extension Service, Spotts, Robert Allen, 1945-, Olsen, Jeff L., Long, L. E. (Lynn Edwards), 1953-, and Pscheidt, Jay William
Abstract:: Bacterial canker is the number one killer of young sweet cherry trees in Oregon. This publication covers cause and symptoms, disease cycle, and disease management. A version for mobile devices is also available.
Full Text:: canker of sweet cherry in Oregon Bacterial canker of sweet cherry in Oregon Robert A. Spotts, Jeff

Creator:: Oregon State University. Extension Service, Spotts, Robert Allen, 1945-, Olsen, Jeff L., Long, L. E. (Lynn Edwards), 1953-, and Pscheidt, Jay William
Abstract:: Bacterial canker is the number one killer of young sweet cherry trees in Oregon. This publication covers cause and symptoms, disease cycle, and disease management. A version for mobile devices is also available.
Full Text:: above and below the canker. Figure 1. Bacterial canker at heading cut on Bing on Gisela 6. Robert A

Creator:: Spotts, Robert Allen, 1945-, Olsen, Jeff L., Long, L. E. (Lynn Edwards), 1953-, Pscheidt, Jay William, and Oregon State University. Extension Service
Abstract:: Bacterial canker is the number one killer of young sweet cherry trees in Oregon. This publication covers cause and symptoms, disease cycle, and disease management. A version for mobile devices is also available.
Resource Type:: Technical Report

Creator:: Oregon State University. Extension Service, Ball, Daniel A. (Daniel Allen), 1954-, Parker, R., Colquhoun, Jed, and Dami, I.
Abstract:: During the past several years, grape acreages have increased significantly in Washington and Oregon (17 percent and 23 percent, respectively, from 1999 to 2002). Unfortunately, herbicide drift can pose a major threat to the growth and success of commercial grape production adjacent to areas of small grain, hay, grass seed,...
Resource Type:: Technical Report
Full Text:: ; Robert Parker, Extension weed scientist, Washington State University, Prosser; Jed Colquhoun, Extension

Creator:: Oregon State University. Extension Service, Hosty, Maureen, Livesay, Maggie, Allen, Nancy, Wieske, Susan, White, David, Galloway, Robin, and Fisher, Jessica
Abstract:: Published April 2008. Reviewed October 2013. 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:: Learning Object
Full Text:: , Extension 4-H youth development, Benton County, Oregon State University Common Local Mammals Nancy Allen

Creator:: Castagnoli, S., Riedl, Helmut W., Spotts, Robert Allen, 1945-, Long, L. E. (Lynn Edwards), 1953-, Shearer, Peter W., Pscheidt, Jay W., Olsen, Jeff L., Hirnyck, Ronda E., Peachey, Ronald Edward, and Oregon State University. Extension Service
Abstract:: Presents pesticide and herbicide application rates and recommendations, by tree growth stage, for pests that infect fruit trees. Covers apples, pears, and cherries. Provides (1) spray program for nutrients; (2) dilutions table for wettable powder and liquid products; (3) natural enemy impact guide for tree fruit pesticides; (4) illustrated bud...
Resource Type:: Technical Report

Creator:: Castagnoli, S., Riedl, Helmut W., Spotts, Robert Allen, 1945-, Long, L. E. (Lynn Edwards), 1953-, Shearer, Peter W., Pscheidt, Jay W., Olsen, Jeff L., Peachey, Ronald Edward, and Oregon State University. Extension Service
Abstract:: Published January 2010. A more recent revision exists.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

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