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Filtering by: Subject Narcissus (Plants) -- Diseases and pests -- Control -- Oregon Committee Member Schowalter, Timothy Degree Field Entomology

Structure, function, and analysis of Coleoptera and Heteroptera assemblages on two species of hazelnut in Oregon

Creator:

Wetherill, Karen R.

Abstract:

The European hazelnut, Corylus avellana L., was imported into the U.S. in the late 1800's and is now grown throughout the Willamette Valley in Oregon. A native species of hazelnut, C. cornuta Marshall, is a common shrub found in forested areas of the Pacific Northwest. Foliage of both C. avellana...

Resource Type:

Masters Thesis

Full Text:

. Bush uses IPM methods for pest control. In 1998, he applied Urea as fertilizer, Roundup® and Simazene