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Swiss Needle Cast

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Since the 1990s, there has been an epidemic of SNC affecting hundreds of thousands of acres of coastal Douglas-fir forests in Oregon, Washington and British Columbia. This constitutes one of the largest foliage-disease epidemics of conifers in North America. SNC is also a localized problem in many inland areas of the west, especially in Montana, Idaho, British Columbia, Washington, and Oregon.

R.L. Mulvey; D.C. Shaw; G.M. Filip; G.A. Chastagner

Mulvey RL, Shaw DC, Filip GM, Chastagner GA. Swiss Needle Cast. Swiss Needle Cast Cooperative; 2013.

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