Translocation of dye in grand and subalpine firs infested by the balsam woolly aphid
By: by Russel G. Mitchell.
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: U.S. Forest Service research note PNW -- 46.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture
Published: 1967
Place of publication: Portland, Or
Language: eng
Number of pages: 17
Subjects: Balsam woolly adelgid.; Abies grandis -- Diseases and pests.; Abies lasiocarpa -- Diseases and pests.; Abies grandis -- Wounds and injuries.; Abies lasiocarpa -- Wounds and injuries.; Plants, Motion of fluids in.; Xylem.; Dyes and dyeing.
Notes: Caption title.

"January, 1967."

Includes bibliographical references (p. 17).