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    Author(s): Doug Maguire; Alan Kanaskie; Mike McWilliams
    Date: 2000
    Source: In: Hansen, Mark; Burk, Tom, eds. Integrated tools for natural resources inventories in the 21st century. Gen. Tech. Rep. NC-212. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station. 705-713.
    Publication Series: General Technical Report (GTR)
    Station: North Central Research Station
    PDF: View PDF  (550.39 KB)

    Description

    Many Douglas-fir plantations along the north coast of Oregon are exhibiting severe symptoms of Swiss needle cast disease (SNC). These symptoms include premature loss of foliage, abundant fungal pseudothecia on needles, yellowing of foliage, and apparent reduction in diameter and height growth. The development of the disease and its impacts on growth are currently being monitored at three different levels: (l) annual aerial surveys to determine extent of SNC symptoms; (2) plantation surveys to assess the extent of SNC damage and to ground-truth aerial surveys; and (3) intensively measured plots to monitor SNC development and growth impacts.

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    Citation

    Maguire, Doug; Kanaskie, Alan; McWilliams, Mike. 2000. A strategy for monitoring Swiss needle cast and assessing its growth impact in Douglas-fir plantations of Coastal Oregon. In: Hansen, Mark; Burk, Tom, eds. Integrated tools for natural resources inventories in the 21st century. Gen. Tech. Rep. NC-212. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station. 705-713.

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