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Creator:: Colley, Micaela Ruth
Abstract:: Five field experiments were conducted to evaluate the relative attractiveness of potential beneficial insectary plants to aphidophagous hover flies and parasitic Hymenoptera and the effectiveness of interplanting selected flowering plants in a broccoli field to enhance biocontrol of the cabbage aphid and green peach aphid. In 1996 we established a...
Resource Type:: Masters Thesis
Full Text:: Control with Beneficial Insectary Plantings. Abstract approved: rr r—i v—sj John M. Luna Five

Creator:: Angustia, Segundo Nova
Resource Type:: Masters Thesis
Full Text:: . Production Systems in the Maritime Pacific Northwest. Abstract approved: —» 1/ ■ i /—*— John M. Luna

Creator:: O'Brien, Timothy John
Abstract:: Field and greenhouse experiments were conducted in 1996 and 1997 to evaluate the effects of integrating conservation tillage and cover cropping on broccoli production as well as agroecological parameters. A field experiment was conducted during 1996-97 at the Oregon State University Horticulture Research farm near Corvallis, OR. The specific objectives...
Resource Type:: Masters Thesis
Full Text:: approved: ^., _ I John M. Luna Field and greenhouse experiments were conducted in 1996 and

Creator:: Alderman, Katie
Abstract:: The western spotted cucumber beetle (Diabrotica undecimpunctata undecimpunctata) and the western striped cucumber beetle (Acalymma trivittatum) are pests of many crops, including vegetable, fruit, and nursery crops. Pesticides are commonly used to control this pest. Trap and kill technologies are under development as use in an alternative control for cucumber...
Resource Type:: Undergraduate Thesis and Presentation

Creator:: Garrett, Amy
Abstract:: Legume cover crops can serve as important sources of nitrogen (N) in sustainable agriculture and can be economically beneficial when fertilizer inputs are reduced without a yield reduction. Synchronizing N mineralization from organic materials with the needs of the subsequent crop is a challenge for organic growers. Predicting plant available...
Resource Type:: Masters Thesis
Full Text:: : _______________________________________________________________________ John M. Luna Legume cover crops can serve as important sources of nitrogen (N) in

Creator:: Ambrosino, Mario D.
Abstract:: Four key aspects of the relationship between predatory hoverflies and the aphid pest Brevicoryne brassicae L. on broccoli were investigated in the Willamette Valley, Oregon USA: 1) the relationship between aphid density and hoverfly oviposition, 2) the larval voracity of key hoverfly species, 3) the preferences of hoverflies and broccoli...
Resource Type:: Dissertation
Full Text:: and Myzus persicae (Suizer)). The magnitude of the response was similar for B. brassicae and M

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