2015. Calibration of a fertilizer bucket used for MCH flake application. Lake Wenatchee State Airport, Washington.
Calibration of a fertilizer bucket used for MCH flake application. Lake Wenatchee State Airport, Washington.
Photo by: Connie Mehmel
Date: May 8, 2015
Photo credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Service Center.
Source: Connie Mehmel collection. Wenatchee, Washington.
Note: MCH is an anti-aggregation pheromone used to protect trees from attack by the Douglas-fir beetle.
For more information see:
Ross, Darrell W., Kenneth Edward Gibson, and Gary E. Daterman. 2015. Using MCH to protect trees and stands from Douglas-fir beetle infestation. Forest Health Technology Enterprise Team, US Department of Agriculture, Forest Service.
www.fs.fed.us/foresthealth/technology/pdfs/MCH_handbook_1...
Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth
2015. Calibration of a fertilizer bucket used for MCH flake application. Lake Wenatchee State Airport, Washington.
Calibration of a fertilizer bucket used for MCH flake application. Lake Wenatchee State Airport, Washington.
Photo by: Connie Mehmel
Date: May 8, 2015
Photo credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Service Center.
Source: Connie Mehmel collection. Wenatchee, Washington.
Note: MCH is an anti-aggregation pheromone used to protect trees from attack by the Douglas-fir beetle.
For more information see:
Ross, Darrell W., Kenneth Edward Gibson, and Gary E. Daterman. 2015. Using MCH to protect trees and stands from Douglas-fir beetle infestation. Forest Health Technology Enterprise Team, US Department of Agriculture, Forest Service.
www.fs.fed.us/foresthealth/technology/pdfs/MCH_handbook_1...
Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth