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Filtering by: Creator Lee, Jana Advisor Walton, Vaughn M.

Enhancing pest mite biological control by Typhlodromus pyri (Acari: Phytoseiidae) in Pacific Northwest vineyards

Creator:

Gadino, Angela Noelle

Abstract:

The predatory mite Typhlodromus pyri (Acari: Phytoseiidae) is the predominant species in cool climate Pacific Northwest vineyards and a principal predator of pest mites including the grapevine rust mite Calepitrimerus vitis (Acari: Eriophyidae). In recent years vineyards have been experiencing C. vitis population outbreaks leading to increased economic damage from...

Resource Type:

Dissertation

Full Text:

her support and council. A special thanks to Dr. Jana Lee and Dr. Jay Pscheidt for their time and
Behavior of Drosophila suzukii in Relation to Abiotic, Biotic, and Nutrient Factors

Creator:

Park, Kyoo Rok

Abstract:

Drosophila suzukii (Diptera: Drosophilidae), is a serious pest in soft and stone fruit industries worldwide. The unique serrated ovipositor of female Drosophila suzukii allowed the species to reproduce in intact, ripening fruit before the harvest. Current control methods rely heavily on insecticide application, only becoming less profitable due to the...

Resource Type:

Dissertation

Full Text:

would like to express my appreciation my committee members, Dr. Jana Lee, Dr. Ramesh Sagili, Dr
Evaluation of grapevine red blotch virus epidemiology with reference to potential insect vectors

Creator:

Dalton, Daniel T.

Abstract:

Grapevine red blotch virus (GRBV), the causal agent of red blotch disease (RBD) in grapevine, Vitis vinifera L., is an emerging pathogen of significance to the wine grape industry of Oregon, USA. To address knowledge gaps of GRBV epidemiology, spread of GRBV was evaluated in Oregon vineyards over four years....

Resource Type:

Dissertation

Full Text:

Josh Price; and United States Department of Agriculture, ARS staff Drs. Jana Lee, David Gent, and