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Filtering by: Subject Dahurian larch -- Diseases and pests -- Control Remove constraint Subject: Dahurian larch -- Diseases and pests -- Control Advisor Berry, Ralph E. Remove constraint Advisor: Berry, Ralph E.

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Biology, distribution and economic threshold of the strawberry root weevil, Otiorhynchus ovatus (L.), in peppermint

Creator:

Cacka, Joseph Francis

Resource Type:

Masters Thesis

Full Text:

Biology 6 Control Strategies and Methods 7 Sampling 10 METHODS AND MATERIALS 12 Field Locations 12
Management of variegated cutworm in peppermint

Creator:

Coop, Leonard Bryan

Abstract:

A pest management program for variegated cutworm (VC), Peridroma saucia (Hubner), in Oregon peppermint was developed based on studies of pheromone trapping, sampling methods, and economic thresholds. Pheromone traps effectively trapped VC males and were used to reflect development and oviposition trends. Trap height was linearly correlated to moth catch...

Resource Type:

Dissertation

Full Text:

thresholds (number of larvae/1000 cm2 as a function of peppermint oil price, cost of control, and field class
Sampling methods, biology and management of the mint flea beetle in central Oregon peppermint

Creator:

Morris, Mark A.

Abstract:

Sampling techniques were evaluated to quantify immature mint flea beetle (MFB), Longitrsus waterhousei Kutschera (Coleoptera: Chrysomelidae), on peppermint (Mentha piperita L.), in central Oregon. During the study period, 1985-1988, soil samples of 350 cm³ were effective for collecting immature MFB. Sifting soil samples through screens was effective for estimating post-feeding...

Resource Type:

Masters Thesis

Full Text:

to investigate immature MFB field biology, control measures, and to develop future peppermint pest
Control of mint root borer, Fumibotys fumalis, with the entomopathogenic nematode, Steinernema carpocapsae

Creator:

Takeyasu, Joyce

Resource Type:

Masters Thesis

Full Text:

are usually flamed in the spring and fall for disease control. In grass seed fields, the carbon
Big-eyed bugs as predators of the green peach aphid

Creator:

Puls, Karl A.

Resource Type:

Masters Thesis

Full Text:

in a crop prior to the arrival of a pest and may be able to control that pest (Eh ler, 1977
Toxicity of peppermint monoterpenes to the variegated cutworm, Peridroma saucia Hübner

Creator:

Harwood, Steven Hunter

Abstract:

The toxicity of menthol, menthone, pulegone, limonene, and a-pinene, five monoterpenes found in peppermint (Mentha piperita L.), to the variegated cutworm (Peridroma saucia Hiibner) was characterized by in vivo and in vitro methods. Pulegone and menthone caused slower growth over six days when incorporated into an artificial diet and fed...

Resource Type:

Masters Thesis

Full Text:

major pest in commercial peppermint of Western Oregon (Berry and Shields 1980). Parasitism of P

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Academic Affiliation

Entomology6

Advisor

Berry, Ralph E.[remove]6
Reed, Gary L.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1982 to 1995

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Committee Member

Miller, Jeff3
Rowe, Ken2
Appleby, Arnold1
Coakley, Stella1
Croft, Brian1
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Creator

Cacka, Joseph Francis1
Coop, Leonard Bryan1
Harwood, Steven Hunter1
Morris, Mark A.1
Puls, Karl A.1
more Creators »

Date

Date range begin – Date range end

Current results range from 1982 to 1994

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Decade

1990-19992
1980-19894

Degree Field

Entomology6

Degree Level

Master's5
Doctoral1

Degree Name

Master of Science (M.S.)5
Doctor of Philosophy (Ph.D.)1

Language

English [eng]6

Non-Academic Affiliation

Oregon State University. Graduate School6

Peer Reviewed

No6

Resource Type

Masters Thesis5
Dissertation1

Rights Statement

Copyright Not Evaluated6

Subject

Bell pepper -- Diseases and pests -- Biological control1
Cutworms1
Cutworms -- Biological control1
Flea-beetles -- Control -- Oregon1
Geocoris1
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