Acephate residues in second year cones of Pinus sylvestris L. sprayed to prevent damage by Dioryctria disclusa Heinrich
By: Mary Ellen Dix, Charles E. Richmond, and James L. Van Deusen
Contributors: Richmond, Charles E. 1941-; Van Deusen, James L; Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
Series: Research note RM -- 403
Publisher: USDA Forest Service, Rocky Mountain Forest and Range Experiment Station
Published: 1981
Place of publication: Fort Collins, Colo
Language: eng
Subjects: Scots pine -- Disease and pest resistence; Systemic insecticides; Dioryctria
Notes: Caption title

"May 1981."

Bibliography: p. 4