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Browsing by Author "Spotts, Robert Allen, 1945-"

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Browsing by Author "Spotts, Robert Allen, 1945-"

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  • 2010 pest management guide for tree fruits in the Mid-Columbia area 
    Oregon State University. Extension Service; Castagnoli, S.; Riedl, Helmut; Spotts, Robert Allen, 1945-; Long, L. E. (Lynn Edwards), 1953-; Shearer, Peter W.; Pscheidt, Jay William; Olsen, Jeff L.; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2010-01)
  • 2012 pest management guide for tree fruits in the Mid-Columbia area : Hood River, The Dalles, White Salmon 
    Oregon State University. Extension Service; Castagnoli, Steve; Riedl, Helmut; Spotts, Robert Allen, 1945-; Long, L. E. (Lynn Edwards), 1953-; Shearer, Peter W.; Pscheidt, Jay William; Olsen, Jeff L.; Hirnyck, Ronda E.; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2012-01)
    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 ...
  • Bacterial canker of sweet cherry in Oregon : disease symptoms, cycle, and management 
    Oregon State University. Extension Service; Spotts, Robert Allen, 1945-; Olsen, Jeff L.; Long, L. E. (Lynn Edwards), 1953-; Pscheidt, Jay William (Corvallis, Or. : Extension Service, Oregon State University, 2010-05)
    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.
  • Biology of sweet cherry powdery mildew 
    Calabro, Jill M. (2007-05-07)
    The Pacific Northwest has become one of the nation’s premier sweet cherry, Prunus avium, production areas. As production of sweet cherries has flourished in Oregon and Washington, so has powdery mildew, caused by the f ...
  • Pear scab in Oregon : symptoms, disease cycle and management 
    Spotts, Robert Allen, 1945-; Castagnoli, S.; Oregon State University. Extension Service (Corvallis, Or. : Extension Service, Oregon State University, 2010-05)
    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 non ...
  • Predicting and managing gray mold rot of pear in Oregon 
    Oregon State University. Extension Service; Spotts, Robert Allen, 1945-; Castagnoli, S. (Corvallis, Or. : Extension Service, Oregon State University, 2010-01)
    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 ...

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