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Filtering by: Subject Western larch -- Diseases and pests -- Idaho Committee Member Spatafora, Joseph W.

Phytophthora species and riparian alder tree damage in western Oregon

Creator:

Sims, Laura L.

Abstract:

The genus Phytophthora contains some of the most destructive pathogens of forest trees, including the most destructive pathogen of alder in recent times, Phytophthora alni. Alder trees were reported to be suffering from canopy dieback in riparian ecosystems in western Oregon, which prompted a survey of alder health and monitoring...

Resource Type:

Dissertation

Full Text:

another Phytophthora species could be causing disease in western Oregon, and that this disease would go
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