Ground application of dimethoate (Cygon) for the control of cone and seed destroying insects of Douglas-fir and grand fir
By: [by Jerald E. Dewey ... et al.].
Contributors: Dewey, Jerald E.; United States. Forest Service. Northern Region. Forest Environmental Protection.; United States. Forest Service. Northern Region. State & Private Forestry.
Series: Forest environmental protection; Report - Forest Service, Northern Region, Forest Environmental Protection -- no. 75-13.; Report (United States. Forest Service. Northern Region) -- no. 75-13.
Publisher: Forest Environmental Protection, USDA, Forest Service, Northern Region, State & Private Forestry
Published: 1975
Place of publication: Missoula, MT
Language: eng
Subjects: Douglas fir -- Diseases and pests -- Control -- Idaho -- Nezperce National Forest.; Douglas fir -- Seeds -- Predators of -- Control -- Idaho -- Nezperce National Forest.; Grand fir -- Diseases and pests -- Control -- Idaho -- Nezperce National Forest.; Grand fir -- Seeds -- Predators of -- Control -- Idaho -- Nezperce National Forest.; Insect pests -- Control -- Idaho -- Nezperce National Forest.; Organophosphorus compounds -- Idaho -- Nezperce National Forest.; Insecticides -- Idaho -- Nezperce National Forest.
Notes: Cover title.

Includes bibliographical references (p. 6).

Also available online.