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Filtering by: Subject Aphids--Biological control Committee Member McEvoy, Peter

Seasonal occurrence and abundance of insect pests and natural enemies in the Columbia Basin

Creator:

Klein, Matthew L.

Abstract:

Potato (Solanum tuberosum L.) is the fourth largest food crop in the world following rice (Oryza sativa L.), wheat (Triticum spp.), and maize (Zea mays subs. mays). Potatoes arrived in the United States in the early 1600s and over the following centuries, the crop was subsequently cultivated across the country...

Resource Type:

Masters Thesis

Full Text:

2002). Aphid transmitted viruses Significant effort is made in the Columbia Basin to control
Enhancing the predatory potential of hoverflies on aphids in Oregon broccoli fields with floral resources

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:

Hoverfies to Reduce Aphid Populations While it is necessary for the assessment of biological control
Structuring habitat to conserve ground beetles (Coleoptera: Carabidae) and reduce summer annual weeds in agroecosystems

Creator:

Green, Jessica M.

Abstract:

Weed management in sustainable farming systems often requires the integration of several different pest management techniques. Cultural, biological, and chemical pest control efforts can be utilized to contribute to the common goal of reducing weeds in vegetable row crop systems. This research addresses how common disturbances such as tillage and...

Resource Type:

Masters Thesis

Full Text:

recruitment was highly variable between treatment, site, and year. Conserving biological weed control