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Verbenone Bubble Caps Ineffective As A Preventive Strategy Against Mountain Pine Beetle Attacks In Ponderosa Pine, C. K. Lister, J. M. Schmid, S. A. Mata, D. Haneman, C. O'Neil, J. E. Pasek, L. Sower
Verbenone Bubble Caps Ineffective As A Preventive Strategy Against Mountain Pine Beetle Attacks In Ponderosa Pine, C. K. Lister, J. M. Schmid, S. A. Mata, D. Haneman, C. O'Neil, J. E. Pasek, L. Sower
Judith E Pasek
Verbenone capsules were stapled to trees in mountain pine beetle-infested stands of ponderosa pine at densities of 10, 20, 40, and 68 capsules per acre. Mean numbers of infested trees were not significantly different among treatments. Either the verbenone is not effective in repelling attacks or the formulation in the capsules needs to be modified to enhance its effectiveness. Verbenone capsules were not effective enough to be used in a preventive strategy.