Index Catalog // ScholarsArchive@OSU

Start Over

Filtering by: Subject Apples -- Diseases and pests -- Control -- Oregon, Western Committee Member Parke, Jennifer L.

Isolation and Pathogenicity of Naturally Occurring Entomopathogenic Fungi to Clover Root Borer (Coleoptera: Curculionidae: Scolytinae), a Pest of Red Clover Seed Crops

Creator:

Lestari, Anis S.

Abstract:

Entomopathogenic fungi are cosmopolitan microbial pathogens that cause fungous diseases in a wide range of insects via spore infection. Due to their natural enemy status, they have tremendous potential for use as microbial control agents against insect pests, especially subterranean pests for which few management options are available. The clover...

Resource Type:

Masters Thesis

Full Text:

borers and root zone soil samples from five red clover seed production fields in Western Oregon. Based
The epidemiology of sudden oak death in Oregon forests

Creator:

Peterson, Ebba K.

Abstract:

The phytopathogen Phytophthora ramorum (Werres, DeCock & Man in't Veld), causal agent of Sudden Oak Death (SOD) of oaks (Quercus spp.) and tanoaks (Notholithocarpus densiflorus syn. Lithocarpus densiflorus), is established in coastal forests of the western United States. Since the discovery of SOD in the Douglas-fir / tanoak forests of...

Resource Type:

Dissertation

Full Text:

and infection occur more often in Oregon than in California. These data can explain the failure to