Insects

Autor: C. T. Werle, Christopher M. Ranger, Peter B. Schultz, Michael E. Reding, Jason B. Oliver, Karla M. Addesso
Přispěvatelé: Virginia Agricultural Experiment Station
Jazyk: angličtina
Rok vydání: 2019
Předmět:
Zdroj: Insects
Volume 11
Issue 1
Popis: Ambrosia beetles (Coleoptera: Curculionidae: Scolytinae) are destructive wood-boring insects of horticultural trees. We evaluated long-lasting insecticide netting for protecting stems against ambrosia beetles. Container-grown eastern redbud, Cercis canadensis, trees were flood-stressed to induce ambrosia beetle attacks, and deltamethrin-treated netting was wrapped from the base of the stem vertically to the branch junction. Trees were deployed under field conditions in Ohio, Virginia, Tennessee, and Mississippi with the following treatments: (1) flooded tree
(2) flooded tree with untreated netting
(3) flooded tree with treated &lsquo
standard mesh&rsquo
netting of 24 holes/cm2
(4) flooded tree with treated &lsquo
fine mesh&rsquo
netting of 28 holes/cm2
and/or (5) non-flooded tree. Treated netting reduced attacks compared to untreated netting and/or unprotected trees in Mississippi in 2017, Ohio and Tennessee in 2018, and Virginia in 2017&ndash
2018. Inconsistent effects occurred in Mississippi in 2018. Fewer Anisandrus maiche, Xylosandrus germanus, and Xyleborinus saxesenii were dissected from trees deployed in Ohio protected with treated netting compared to untreated netting
trees deployed in other locations were not dissected. These results indicate long-lasting insecticide netting can provide some protection of trees from ambrosia beetle attacks.
Databáze: OpenAIRE