Effectiveness of Carbaryl and Pyrethroid Insecticides for Protection of Engelmann Spruce from Attack by Spruce Beetle (Coleoptera: Scolytidae)
A field experiment tested the effectiveness of carbaryl and two pyrethroid insecticides, cyfluthrin and esfenvalerate, in protecting high-value Engelmann spruce trees from attack by Dendroctonus rufipennis Kirby. Carbaryl suspension at the 2% registered rate and a reduced rate of 1 % were both effec...
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| Format: | Others |
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DigitalCommons@USU
1996
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| Online Access: | https://digitalcommons.usu.edu/etd/7311 https://digitalcommons.usu.edu/cgi/viewcontent.cgi?article=8426&context=etd |