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Filtering by: Conference section Pesticide Resistance Remove constraint Conference section: Pesticide Resistance File Format application/pdf Remove constraint File Format: application/pdf Non-Academic Affiliation Oregon State University. Graduate School Remove constraint Non-Academic Affiliation: Oregon State University. Graduate School

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Effects of esfenvalerate on native macroinvertebrates representative of Pacific Northwest streams

Creator:

Johnson, Katherine R.

Abstract:

Aquatic insects are essential components of healthy stream ecosystems, contributing to nutrient cycling, trophic dynamics and other ecological functions. Aquatic insect species, particularly those in the orders Ephemeroptera, Plecoptera and Trichoptera (EPT taxa) are however, extremely sensitive to insecticide contamination. Given that urban and agricultural use of synthetic pyrethroid insecticides...

Resource Type:

Dissertation

Full Text:

Pesticide Regulation indicates that pyrethroid useage nearly doubled between the early 1990s and 2003
Genetic resistance to white mold (Sclerotinia sclerotiorum (Lib.) De Bary) in scarlet runner beans (Phaseolus coccineus L.)

Creator:

Gilmore, Barbara S.

Abstract:

White mold, caused by Sclerotinia sclerotiorum (Lib.) De Bary, is a destructive yield-limiting disease of common bean (Phaseolus vulgaris L.). Genetic resistance to this pathogen is limited in common bean. Identification of high levels of partial physiological resistance in a genetically cross compatible species, Phaseolus coccineus, is advisable. The objectives...

Resource Type:

Dissertation

Full Text:

l30.2007. Title: Genetic Resistance to White Mold (Sclerolrnia sclerorrorzz (Lib.) De Bary) in Scarlet
Analysis of semi-volatile organic contaminants and their accumulation in remote aquatic ecosystems of the western US

Creator:

Ackerman, Luke K.

Abstract:

Many pesticides, polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), and polycyclic aromatic hydrocarbons are persistent, bio-accumulative, and toxic. These semi-volatile organic compounds (SOCs) can undergo atmospheric transport and deposition in cold, remote ecosystems. A better understanding of their accumulation in the fish of these ecosystems is important to better predict...

Resource Type:

Dissertation

Full Text:

dielectric fluids(2), and flame resistance of polymeric materials(3). Some SOCs, such as polycyclic
Understanding sporulation and dissemination of Podosphaera macularis, hop powdery mildew

Creator:

Peetz, Amy B.

Abstract:

Podosphaera macularis causes one of the most important diseases, powdery mildew, of Humulus lupulus (hop). If left unmanaged, hop powdery mildew can cause total crop loss due to disease or browning of hop cones rendering the cones unmarketable to buyers. The Hop Powdery Mildew Infection Risk Index (HOPS) is heavily...

Resource Type:

Masters Thesis

Full Text:

environmental conditions may increase management efficacy by reducing pesticide use and cost of crop
Assessment of fluorinated chemicals (FCs) on developmental toxicity in embryonic zebrafish

Creator:

Duong, Lisa

Abstract:

Fluorinated chemicals (FCs) have been used since the 1950s in many industrial and commercial applications because of their unique properties such as chemical inertness, resistance to heat and their ability to repel water and oils. Concerns regarding potential environmental or human health risk from FCs exposure have emerged due to...

Resource Type:

Masters Thesis

Full Text:

, resistance to heat and their ability to repel water and oils. Concerns regarding potential environmental or
Stability of reporter gene expression and RNAi in transgenic poplars over multiple years in the field under vegetative propagation

Creator:

Li, Jingyi

Abstract:

Stable expression of transgenes is required for commercial uses of genetically engineered trees. To better understand the stability of transgene expression under field conditions, we studied transgene expression and RNA interference (RNAi)-induced transgene suppression in 2,480 transgenic poplars (460 transgene insertion events) over three years. Stability of expression was assessed...

Resource Type:

Dissertation

Full Text:

herbicide resistance gene BAR driven by a poplar rbcS promoter. No cases of gene silencing (complete
Cover crop effects on root rot of sweet corn and soil properties

Creator:

Miyazoe, Mikio

Abstract:

Root rot of sweet corn in western Oregon and Washington is a significant disease that can reduce yield of intolerant cultivars of processed sweet corn by fifty percent. Root rot is caused by a complex of soilborne organisms, including Drechslera sp., Phoma terrestris, and Pythium arrhenomanes. Processors have adopted tolerant...

Resource Type:

Masters Thesis

Full Text:

should screen Avena species and/or cultivars for improved winter hardiness, BYDV resistance, and root
Biology of sweet cherry powdery mildew

Creator:

Calabro, Jill M.

Abstract:

The Pacific Northwest has become one of the nation’s premier sweet cherry, Prunus avium, production areas. As production of sweet cherries has flourished in Oregon and Washington, so has powdery mildew, caused by the fungus Podosphaera clandestina, which infects both foliage and fruit causing severe economic damage to growers. Sweet...

Resource Type:

Dissertation

Full Text:

strategies………………16 1.5 Fungicide resistance…………………………………….17 2 Timing of sweet cherry powdery mildew
Biology and management of Meloidogyne chitwoodi using oxamyl on potato in the western United States

Creator:

David, Nicholas L.

Abstract:

Field trials were conducted during 2001 to 2003 to investigate soil population dynamics of Meloidogyne chitwoodi, tuber symptom suppression using oxamyl, and post-harvest tuber symptom development on short-season potato varieties Russet Norkotah and Russet Nugget (San Luis Valley only). The experiments were located in the San Luis Valley in Colorado,...

Resource Type:

Dissertation

Full Text:

control difficult. Although resistance exists in some wild tuber–bearing species of Solanum, there is no
Field and greenhouse studies with Acalymma and Diabrotica : protection of cucurbits with a kaolin-based particle film : feeding damage to cucumbers with and without cucurbitacin

Creator:

Reich, Joel A.

Abstract:

Research was conducted in the field and greenhouse to determine if a kaolinite-based particle film, Surround®, would reduce colonization and early season feeding damage in cucurbits by the Western Striped Cucumber Beetle, Acalymma trivitattum (Mannerheim). Greenhouse studies were designed to determine effect of particle film on cucumber dry weight production...

Resource Type:

Masters Thesis

Full Text:

resistance (ISR) in host plants, was discovered largely by accident and reported by Zehnder et al (1997

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Academic Affiliation

Botany and Plant Pathology3
Crop and Soil Science3
Environmental and Molecular Toxicology3
Horticulture3
Chemical Engineering1
more Academic Affiliations »

Advisor

Atre, Sundar1
Blaustein, Andrew R.1
Bottomley, Peter J.1
Brunner, Amy M.1
Buhler, Donald R.1
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Commencement Year

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Current results range from 2001 to 2008

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Committee Member

Jepson, Paul2
Johnson, Kenneth2
Azarenko, Anita1
Azarenko, Anita N.1
Bakalinsky, Alan Tagore1
more Committee Members »

Creator

Ackerman, Luke K.1
Calabro, Jill M.1
Chaer, Guilherme M.1
Cruz Uribe, Octavio T.1
David, Nicholas L.1
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Date

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Current results range from 2000 to 2008

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2000-200923

Degree Field

Botany and Plant Pathology3
Toxicology3
Crop Science2
Horticulture2
Chemical Engineering1
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Degree Level

Doctoral14
Master's9

Degree Name

Doctor of Philosophy (Ph.D.)14
Master of Science (M.S.)9

File Format

application/pdf[remove]23

Language

English [eng]23

License

All rights reserved18

Non-Academic Affiliation

Oregon State University. Graduate School[remove]23

Peer Reviewed

No17

Resource Type

Dissertation14
Masters Thesis9

Rights Statement

In Copyright22
Copyright Not Evaluated1

Subject

Acalymma -- Control1
Amphibian declines -- Northwest, Pacific1
Amphibians -- Pathogens -- Northwest, Pacific1
Apolipoproteins1
Aquatic insects -- Effect of pesticides on1
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