Field evaluation of fenitrothion, permethrin, and chlorpyrifos for protecting white spruce trees from Spruce beetle (Coleoptera: Scolytidae) attack in Alaska [Picea glauca, Dendroctonus rufipennis]

Concentrations of 0.25 and 0.5% permethrin, 0.5 and 1% chlorphyrifos, and 1 and 2% fenitrothion provided acceptable protection for 4 months to white spruce, Picea glauca (Moench) Voss, trees from attack by spruce beetle, Dendroctonus rufipennis (Kirby). At 16 months after application, 0.25% permethr...

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Veröffentlicht in:	Journal of economic entomology 1984-01, Vol.77 (4), p.995-998
Hauptverfasser:	Werner, R.A, Averill, R.D, Hastings, F.L, Hilgert, J.W, Brady, U.E
Format:	Artikel
Sprache:	eng
Schlagworte:	Biological and medical sciences Chemical control Control Dendroctonus rufipennis Fundamental and applied biological sciences. Psychology Generalities Phytopathology. Animal pests. Plant and forest protection Protozoa. Invertebrates Scolytidae
Online-Zugang:	Volltext
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