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Browsing by Subject "Conifers -- Diseases and pests -- Control -- Oregon"

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Browsing by Subject "Conifers -- Diseases and pests -- Control -- Oregon"

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  • Managing insects and diseases of Oregon conifers 
    Oregon State University. Extension Service; Shaw, David Carl, 1955-; Oester, Paul T.; Filip, Gregory M. (Corvallis, Or. : Extension Service, Oregon State University, 2009-06)
    Discusses options for managing major insect pests and diseases of conifers in Oregon forests: bark beetles, wood borers, and ambrosia beetles; defoliators; aphids, adelgids, and scale insects; terminal and branch insects ...
  • A synopsis of some of the more important insect enemies of coniferous nursery stock in Oregon 
    Oregon State College. Agricultural Experiment Station; Chamberlin, W. J. (Willard Joseph), 1890- ([Corvallis, Or.] : Agricultural Experiment Station, Oregon State College, 1936-03)

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