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Browsing Extension Service -- Miscellaneous / Educational Materials by Author "Olsen, Jeff L."

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Browsing Extension Service -- Miscellaneous / Educational Materials by Author "Olsen, Jeff L."

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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)
  • 2011 apple pest management guide for the Willamette Valley 
    Oregon State University. Extension Service; Olsen, Jeff L.; Pscheidt, Jay William; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2011-02)
    Recommends pest control management practices for apple.
  • 2011 cherry pest management guide for the Willamette Valley 
    Oregon State University. Extension Service; Olsen, Jeff L.; Pscheidt, Jay William; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2011-02)
    Recommends pest control management practices for cherry.
  • 2011 hazelnut pest management guide for the Willamette Valley 
    Oregon State University. Extension Service; Olsen, Jeff L.; Pscheidt, Jay William; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2011-02)
    Offers pest control management practices for hazelnut.
  • 2011 peach pest management guide for Oregon 
    Oregon State University. Extension Service; Olsen, Jeff L.; Pscheidt, Jay William; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2011-02)
    Recommends pest control management practices for peach.
  • 2011 pear pest management guide for the Willamette Valley 
    Oregon State University. Extension Service; Olsen, Jeff L.; Pscheidt, Jay William; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2011-02)
    Recommends pest control management practices for pear.
  • 2011 pest management guide for tree fruits in the Mid-Columbia area 
    Oregon State University. Extension Service; Castagnoli, S.; 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, 2011-01)
    Presents pesticide and herbicide application rates and recommendations, by tree growth stage, for pests that infect fruit trees. Covers apples, pears, cherries, and apricots; includes Integrated Fruit Production (IFP) pr ...
  • 2011 prune and plum pest management guide for the Willamette Valley 
    Oregon State University. Extension Service; Olsen, Jeff L.; Pscheidt, Jay William; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2011-02)
    Recommends pest management practices for prune and plum.
  • 2011 walnut pest management guide for the Willamette Valley 
    Oregon State University. Extension Service; Olsen, Jeff L.; Pscheidt, Jay William; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2011-02)
    Recommends pest control management practices for walnut.
  • 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 ...
  • 2013 Pest management guide for tree fruits in the Mid-Columbia area : Hood River, The Dalles, White Salmon 
    Oregon State University. Extension Service; Castagnoli, S.; Long, L. E. (Lynn Edwards), 1953-; Shearer, Peter W.; Pscheidt, Jay William; Olsen, Jeff L.; Peachey, Ronald Edward; Einhorn, Todd (Corvallis, Or. : Extension Service, Oregon State University, 2013-01)
    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 ...
  • Apple : 2012 pest management guide for the Willamette Valley 
    Oregon State University. Extension Service; Olsen, Jeff L.; Pscheidt, Jay William; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2012-02)
    Recommends pest management practices for apple.
  • Apple : 2013 pest management guide for the Willamette Valley 
    Oregon State University. Extension Service; Olsen, Jeff L.; Pscheidt, Jay William; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2013-02)
    Recommends pest management practices for apple.
  • 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.
  • Cherry : 2012 pest management guide for the Willamette Valley 
    Oregon State University. Extension Service; Olsen, Jeff L.; Pscheidt, Jay William; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2012-02)
    Recommends pest management practices for cherry.
  • Cherry : 2013 pest management guide for the Willamette Valley 
    Oregon State University. Extension Service; Olsen, Jeff L.; Pscheidt, Jay William; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2013-02)
    Recommends pest management practices for cherry.
  • Growing walnuts in Oregon 
    Oregon State University. Extension Service; Olsen, Jeff L. (Corvallis, Or. : Extension Service, Oregon State University, 2006-03)
    The Persian, or English, walnuts (Juglans regia) grown commercially in Oregon evolved in the mountainous regions of central Asia. California is a world leader in walnut production and produces 99 percent of the United S ...
  • Hazelnut : 2012 pest management guide for the Willamette Valley 
    Oregon State University. Extension Service; Olsen, Jeff L.; Pscheidt, Jay William; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2012-02)
    Recommends pest management practices for hazelnut.
  • Hazelnut : 2013 pest management guide for the Willamette Valley 
    Oregon State University. Extension Service; Olsen, Jeff L.; Pscheidt, Jay William; Peachey, Ronald Edward (Corvallis, Or. : Extension Service, Oregon State University, 2013-02)
    Recommends pest management practices for hazelnut.
  • Hazelnut pest and beneficial insects: an identification guide 
    Oregon State University. Extension Service; Walton, V. M. (Vaughn Martin); Chambers, U. (Ute); Olsen, Jeff L. (Corvallis, Or. : Extension Service, Oregon State University, 2009-06)
    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 ...

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