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Control of red alder by cutting.Author(s): Dean S. DeBell; Thomas C. Turpin
Source: Res. Pap. PNW-RP-414. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 10 p
Publication Series: Research Paper (RP)
Station: Pacific Northwest Research Station
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DescriptionEffects of tree age, month of cut, and height and angle of cut on sprouting of red alder stumps were evaluated in a study designed to develop an effective method for controlling red alder in Douglas-fir plantations. Ninety-five percent or more of alder stumps cut in June or July died by the end of the next growing season; mortality was 88, 70, and 22 percent for stumps cut in May, August, and September, respectively. Stumps of 4-year-old alder trees tended to have higher survival and taller sprouts than did stumps of 6- to 10-year-old trees. Height and angle of cutting had little influence on sprouting. Red alder can be controlled effectively by using cutting guidelines developed from these results.
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CitationDeBell, Dean S.; Turpin, Thomas C. 1989. Control of red alder by cutting. Res. Pap. PNW-RP-414. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 10 p
KeywordsRed alder, Alnus rubra, control, plantations (Douglas-fir)
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