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Filtering by: Alternative title ssim EC 706 Academic Affiliation Entomology Decade 1960-1969

The toxic effects of ronnel fed to rate for the control of Xenopsylla cheopis (Rothsch.) (Siphonaptera, Pulicidae)

Creator:

O'Berg, Allan Gillis

Resource Type:

Masters Thesis

Full Text:

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Ecology of mites on pomaceous fruit trees and related wild hosts in Hood River Valley

Creator:

Jorgensen, Clive Darrel

Abstract:

The ecological interrelationships of mites occurring in and near the Hood River Valley, Oregon, pome fruit orchards were investigated to determine the possibility of an integrated control program using the species already present. Survey sampling methods were used to study mites on wild hosts (Crataegus douglasii Lindl., Crataegus columbiana Howell,...

Resource Type:

Dissertation