technique to artificially infest beech bark with the beech scale Cryptococcus fagisuga (Lindinger)
By: David R. Houston.
Contributors: Northeastern Forest Experiment Station (Radnor, Pa.)
Series: Research paper NE -- 507.
Publisher: U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station
Published: 1982
Place of publication: [Broomall, Pa.]
Language: eng
Subjects: Beech bark disease; Scale insects
Notes: Cover title.

Bibliography: p. 8.