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Filtering by: Subject Brush -- Control -- Oregon Committee Member Fisher, Glenn Degree Name Doctor of Philosophy (Ph.D.)

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:

PREDATORY POTENTIAL OF HOVERFLIES ON APHIDS IN OREGON BROCCOLI FIELDS WITH FLORAL RESOURCES. Abstract
Biology and management of Meloidogyne chitwoodi using oxamyl on potato in the western United States

Creator:

David, Nicholas L.

Abstract:

Field trials were conducted during 2001 to 2003 to investigate soil population dynamics of Meloidogyne chitwoodi, tuber symptom suppression using oxamyl, and post-harvest tuber symptom development on short-season potato varieties Russet Norkotah and Russet Nugget (San Luis Valley only). The experiments were located in the San Luis Valley in Colorado,...

Resource Type:

Dissertation

Full Text:

control of nematodes in potato. Report to the Agriculture Research Foundation, Oregon Potato Commission