Testing the efficacy of verbenone in reducing mountain pine beetle attacks in second-growth ponderosa pine
By: Ken Gibson and Sandy Kegley.
Contributors: Kegley, Sandy.
Series: Forest health protection; Report -- 04-7.; Report (United States. Forest Service. Northern Region) -- no. 04-7.
Publisher: USDA Forest Service, Northern Region
Published: 2004
Place of publication: Missoula, MT
Language: eng
Subjects: Ponderosa pine -- Montana -- Helena National Forest -- Diseases and pests.; Mountain pine beetle -- Montana -- Helena National Forest -- Biological control.
Notes: Caption title.

"March 2004."

Also issued online.