A University of Alberta forestry professor has cracked a key mystery surrounding theĀ mountain pine beetle, the university reports.
After studying lodgepole pine trees in the Grande Prairie area that survived a pine beetle attack, U of A professorĀ Nadir ErbilginĀ and his team discovered certain chemicals in the trees that produce high levels of resin ā€“ sticky sap ā€“ that overwhelms the insect.

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