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Filtering by: Subject Narcissus (Plants) -- Diseases and pests -- Control -- Oregon Degree Name Doctor of Philosophy (Ph.D.)

Characterization, epidemiology, and ecology of a virus associated with black raspberry decline

Creator:

Halgren, Anne B.

Abstract:

The objective of this study was to characterize an unknown agent associated with decline in black raspberry (Rubus occidentalis) in Oregon. A virus was found consistently associated with decline symptoms of black raspberries and was named Black raspberry decline associated virus (BRDaV). Double stranded RNA extraction from BRDaV-infected black raspberry...

Resource Type:

Dissertation

Full Text:

disease control is not feasible. Often, controlling the invertebrate vector is the primary and most
ALS-inhibitor resistant downy brome (Bromus tectorum L.) biotypes in Oregon : Mechanism of resistance, fitness, and competition

Creator:

Park, Kee-Woong

Abstract:

Understanding the mechanism of resistance, relative fitness and competitiveness of herbicide resistant biotypes is important to predict population dynamics and to establish resistance management strategies. This study was conducted to determine the level of resistance to acetolactate synthase (ALS) inhibitors and the mechanism of resistance of ALS-inhibitor resistant downy brome...

Resource Type:

Dissertation

Full Text:

(Bromus tectorum L.) biotypes from Athena and Madras, Oregon (AR and MR). Based on the whole plant dose