Whaley, Dale

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Cabbage Seedpod Weevil Management in Canola (Oilseed Series)

As winter canola acreage increases in Washington State, the cabbage seedpod weevil is becoming a problem. In addition to canola, this tiny weevil can also feed on flixweed, tansy mustard, and whitetop ...
€0.00

Collecting and Releasing Biological Weed Control Agents

The Integrated Weed Control Project (IWCP) from Washington State University is a way for landowners and land managers to learn about biological weed control and to learn about biological agents avail ...
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Eastern Washington Weeds in the Woods- Online Module

This module explains what invasive plants and noxious weeds are, the impacts they have on forest resources, and how Washington regulates particular noxious weeds. The module also covers some general w ...
€8.55

Western Waterhemlock in the Pacific Northwest

Western waterhemlock (Cicuta douglasii) is the most poisonous plant in North America. This publication provides identifiers to assist in avoiding the toxic plant, including ways to distinguish it from ...
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Yellow Toadflax and Dalmatian Toadflax

Yellow toadflax and Dalmatian toadflax are non-native plants that have become two of the most troublesome invasive weeds in North America. Infesting forests, range and grasslands, and other areas, the ...
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Meadow Deathcamas in the Pacific Northwest

Found in all areas of the Pacific Northwest, meadow deathcamas (Toxicoscordion venenosum) is capable of killing livestock whether eaten as forage or in dried hay. Human poisonings have been reported i ...
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