Pacific Northwest Research Station

Title: Control of red alder by cutting.

Author: DeBell, Dean S.; Turpin, Thomas C.

Date: 1989

Source: Res. Pap. PNW-RP-414. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 10 p

Station ID: RP-PNW-414

Description: Effects 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.

Keywords: Red alder, Alnus rubra, control, plantations (Douglas-fir)

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Citation

DeBell, 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