Baseline susceptibility and cross-resistance in Aphis gossypiiGlover (Aphididae: Hemiptera) to phorate and sulfoxaflor
- Publication Type:
- Journal Article
- Australian Journal of Entomology, 2013
- Issue Date:
Susceptible discriminating doses of phorate (0.2g/L) and sulfoxaflor (0.01g/L) against cotton aphid Aphis gossypiiGlover were determined by laboratory bioassay where aphids were sprayed with insecticide with the aid of a Potter spray tower. All of the populations tested were susceptible to sulfoxaflor, and only a pirimicarb resistant strain had cross-resistance to phorate. If phorate is used as a side dressing in Australian cotton for insect control, neither pirimicarb, or any other chemical associated with insensitive acetylcholinesterase type one resistance, should be used as the first foliar spray for any subsequent aphid control. © 2013 Australian Entomological Society.
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