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Filtering by: Creator Schalla, Robert Allen Remove constraint Creator: Schalla, Robert Allen Non-Academic Affiliation Oregon State University. Extension Service Remove constraint Non-Academic Affiliation: Oregon State University. Extension Service Commencement Year Unknown Remove constraint Commencement Year: Unknown

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Predicting and managing gray mold rot of pear in Oregon

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
Pear scab in Oregon : symptoms, disease cycle and management

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
How to reduce the risk of pesticide resistance in apple pests in Oregon

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
Bacterial canker of sweet cherry in Oregon : disease symptoms, cycle, and management

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
Preventing herbicide drift and injury to grapes

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
Oregon 4-H wildlife stewards: trainers guide

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
2012 pest management guide for tree fruits in the Mid-Columbia area : Hood River, The Dalles, White Salmon

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
2010 pest management guide for tree fruits in the Mid-Columbia area : Hood River, The Dalles, White Salmon

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
Chickpea production guide

Creator:

Machado, S., Ball, Daniel A. (Daniel Allen), 1954-, Smiley, R., Petrie, S., Siemens, M., Guy, S., Oregon State University. Extension Service, and Corp, Mary K.

Abstract:

In the U.S., chickpeas commonly are used fresh in salads or in soup. Chickpeas are rich in protein, complex carbohydrates, and fiber, while low in fat and cholesterol. Chickpea is a potential rotational crop and fits well in wheat and barley cropping systems. It is an option for cereal farmers...

Resource Type:

Technical Report

Full Text:

guides developed by the University of Idaho Source of Tables 3, 4, and 5: Robert L. Mahler. Northern
Planning officials in Oregon : directory [1975]

Creator:

Pease, James R. (James Robert), Beller, Luanne, and Oregon State University. Extension Service

Abstract:

Published July 1975. 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:

Secretary: Robert Gerdes Coos Courthouse Coquille, OR 97423 396-3121 Ext. 252 Members: Flora Burch James

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Conference Name

Sharks : an inquiry into biology, behavior, fisheries, and use1
The Oregon State University James A. Vomocil Water Quality Conference1

Creator

Oregon State University. Extension Service42
Spotts, Robert Allen, 1945 6
Castagnoli, S.4
Long, L. E. (Lynn Edwards), 1953 3
Olsen, Jeff L.3
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Oregon State University. Extension Service[remove]49
Oregon State University. Sea Grant College Program2

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4-H clubs5
Fruit -- Diseases and pests -- Control -- Columbia River Valley2
Pesticides -- Application -- Columbia River Valley2
Spraying and dusting in agriculture -- Columbia River Valley2
Agricultural conservation -- Bibliography1
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