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Filtering by: Advisor Day, E. A. Advisor Dickason, E. A. Creator Mayberry, Terrel Wilson

Varietal resisitance of hops, Humulus lupulus (Linn.), to the two-spotted spider mite, Tetranychus urticae (Koch)

Creator:

Mayberry, Terrel Wilson

Abstract:

The purpose of this study was to determine the relative resistance of genetic lines of hops, Humulus lupulus (Linn.) to the two-spotted spider mite, Tetranychus urticae (Koch) in western Oregon. Approximately three-hundred genetic lines of hops were screened under insectory conditions during the 1965 growing season at Corvallis, Oregon. Reduction...

Resource Type:

Masters Thesis

Full Text:

, TETRANYCHUS URTICAE (KOCH). Abstract approved: Redacted for Privacy E. A. Dickason The purpose of this