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Filtering by: Subject Fruit trees -- Diseases and pests -- Oregon -- Hood River Valley

Biology of rain beetles, Pleocoma spp., associated with fruit trees in Wasco and Hood River counties

Creator:

Ellertson, Floyd Elroy and Ritcher, Paul O.

Abstract:

Published February 1959. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

Biology of Rain Beetles, Pleocoma Spp., Associated with Fruit Trees in Wasco and Hood River Counties F
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

Full Text:

OF MITES ON POMACEOUS FRUIT TREES AND RELATED WILD HOSTS IN HOOD RIVER VALLEY by CLIVE DARREL