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Filtering by: Conference section Surveys of Invasive and Emerging Pests Remove constraint Conference section: Surveys of Invasive and Emerging Pests Degree Field Entomology Remove constraint Degree Field: Entomology Subject Mites Remove constraint Subject: Mites

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The biology of the brown orchard mite, Bryobia arborea Morgan and Anderson (Acarina : Tetranychidae) on stone fruit trees in The Dalles, Oregon area

Creator:

Burts, Everett C.

Resource Type:

Masters Thesis

Full Text:

major groups of plant . pests. Since that time, and especial.ly since the appearance of resistance of
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

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populations are independent of each other. Only if pests, such as Tetranychus telarius and predators such
Tracheal mite parasitism of honey bees

Creator:

Royce, Lynn A.

Abstract:

The tracheal mite, Acarapis woodi (Rennie), parasitizes the honey bee, Apis mellifera L., an insect used extensively by humans for pollination of domestic crops and for bee products, primarily honey. This parasite was first discovered in 1921 on the Isle of Wight, a small island situated in the English Channel...

Resource Type:

Dissertation

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insect used extensively by humans for pollination of domestic crops and for bee products, primarily
Twospotted spider mite, Tetranychus urticae Kock, in Oregon peppermint, Mentha piperita L. : sampling, population dynamics and economic injury

Creator:

Hollingsworth, Craig Stephen

Abstract:

A pest management program for Tetranychus urticae Koch in Oregon peppermint was developed based on studies of sampling, plant phenology, population dynamics and damage thresholds. A sample size of 45 leaves provided a confidence level of 90% and a confidence interval of 50%. Estimation of the sample mean was based...

Resource Type:

Dissertation

Full Text:

. telarius and T. bimaculatus) is the most widely distributed pest of peppermint. In Oregon, it is a major

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Academic Affiliation

Entomology4

Advisor

Berry, Ralph E.1
Krantz, G. W.1
Martin, Charles H.1
Swenson, Knud G.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1957 to 1990

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Committee Member

Anderson, N. H.1
Becker, R. R.1
Burgett, D. M.1
Chambers, K. L.1
Denison, W. C.1
more Committee Members »

Creator

Burts, Everett C.1
Hollingsworth, Craig Stephen1
Jorgensen, Clive Darrel1
Royce, Lynn A.1

Date

Date range begin – Date range end

Current results range from 1957 to 1989

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Decade

1980-19892
1960-19691
1950-19591

Degree Field

Entomology[remove]4

Degree Level

Doctoral3
Master's1

Degree Name

Doctor of Philosophy (Ph.D.)3
Master of Science (M.S.)1

Language

English [eng]4

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No4

Resource Type

Dissertation3
Masters Thesis1

Rights Statement

Copyright Not Evaluated4

Subject

Mites[remove]4
Apples -- Diseases and pests1
Fruit -- Diseases and pests1
Fruit-culture -- Oregon -- Hood River Valley1
Honeybee -- Parasites1
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