Noxious and Invasive Species

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Pacific Poison- oak and Poison-ivy: Identification and Management

How to identify and control Pacific poison-oak and western poison-ivy, and how to prevent exposure to the plants’ oily substance, Urushiol, which can cause and allergic contact dermatitis. ...
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Paterson's Curse (Echium plantagineum) in the Pacific Northwest

Paterson's Curse is a weed that is a major problem in Australia, but currently has only limited distribution in the Pacific Northwest. This weed has the potential to severely degrade agricultural h ...

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Physical management of pest birds in agricultural settings

Learn how to mitigate pest birds on farms using innovative deterrence strategies: increase earnings and decrease the health risk posed to producers and consumers. ...
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Recognizing Sapsucker Damage on Your Trees

A common cause of tree damage in yards and small woodlands is sapsuckers (Sphyrapicus spp.), which are a species of woodpecker. Sapsucker damage is easy to identify, although it is often mistaken for ...
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Rush Skeletonweed

Rush skeletonweed is an exotic herbaceous biennial or creeping perennial plant that has become troublesome in many western states. Rush skeletonweed aggressively infests rangeland, cropland, and dist ...
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Scotch Broom: Biology and Management in the Pacific Northwest

Classified as a noxious weed in Washington and Oregon, Scotch Broom has overtaken much of the Pacific Northwest from British Columbia to California. It is especially problematic in disturbed areas ...

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Ventenata

Ventenata is a relatively new weed to the Pacific Northwest that is rapidly infesting newly seeded and poorly managed grass areas. This publication describes how to identify Ventenata, and gives su ...

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Weed Identification and Weed Management Techniques (video)

View this video here!This DVD presents the principles of basic weed identification and classification. Depicts the differences among grasses, bro ...
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West Nile Virus Prevention: Horses (Home Garden Series)

West Nile Virus is a mosquito-borne disease that can infect horses, resulting in illness, long term problems, and even death. This publication presents a number of preventive measures that horse owner ...
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