Tansy ragwort flea beetle
Subtitle: an update on the biological control program
By: written by R.E. Brown, R.B. Hawkes and D.B. Sharratt.
Contributors: Hawkes, R. B.; Sharratt, D. B.; Oregon. Noxious Weed Control Program.
Series: Bulletin / Noxious Weed Control Program -- no. 5.; Bulletin (Oregon. Noxious Weed Control Program) -- no. 5.
Publisher: State Dept. of Agriculture
Published: 1979
Place of publication: Salem, Or
Language: eng
Subjects: Tansy ragwort -- Oregon.; Weeds -- Biological control -- Oregon.; Flea beetles.
Other titles: Biological control program.
Notes: Caption title.