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Title: Incidence of the pine wood nematode in green coniferous sawn wood in Oregon and California
Author: Dwinell, L. David;
Source: Res. Note SE-367. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 4 p.
Publication Series: Research Note (RN)
Description: Samples of green sawn Douglas-fir, redwood, ponderosa pine, and white fir were collected in August. and September 1992 from seven mills in Oregon and California, and assayed for the pine wood nematode, Bursaphelenchus xylophilus. The nulls produced about 108 nLillion board feet during the survey period. The pine wood nematode was not found in any of the 424 samples of Douglas-fir, the 192 of redwood, or the 3 of white fir. The nematode was recovered from 8 of 105 samples of green ponderosa pine lumber from a Mill in Oregon. These eight samples cont.ained an average of 54 pine wood nematodes per gram of dry weight. This is the first report of the pine wood nematode in Oregon.
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Dwinell, L. David 1993. Incidence of the pine wood nematode in green coniferous sawn wood in Oregon and California. Res. Note SE-367. Asheville, NC: U.S. Department of Agriculture, Forest Service, Southeastern Forest Experiment Station. 4 p.
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