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Anthraquinone as a Vole Repellent: Not Just for the Birds?
Proceedings of the Vertebrate Pest Conference
California voles cause extensive damage to tree crops through girdling of young stems. Recent laboratory trials have indicated substantial repellency (up to 84%) of anthraquinone (a post-ingestive repellent) to voles on treated grain. Given these lab results, we established a field study to test the efficacy of anthraquinone applications to tree stems to reduce girdling damage from voles. We also assessed the impact of vegetation around the base of trees to determine the impact of cover ondoi:10.5070/v42811031 fatcat:l4gsgwpopbg75mgyxrduf77ydu