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Release rates of methylcyclohexenone and verbenone from bubble cap and bead releasers under field conditions suitable for the management of bark beetles in California, Oregon, and Alaska
Devices releasing antiaggregation pheromones, such as MCH (3-methyl-2-cyclohexen-1-one) and verbenone (4-methylene-6,6-dimethylbicyclo(3.1.1)hept-2-ene), are used experimentally to manipulate destructive populations of bark beetles. Two slow release devices, bubble caps attached to boles of trees and granular beads placed on the ground, were tested in forests of California, Oregon, and Alaska to determine their release rates. The hypothesis was that ambient air and soil temperatures were majordoi:10.2737/pnw-rp-544 fatcat:tuxeuonh7rhynedfnbfh44oh6m