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Lethal and Sublethal Effects of Imidacloprid on Nicotine-Tolerant Myzus nicotianae and Myzus persicae

✍ Scribed by Devine, Gregor J.; Harling, Zoë K.; Scarr, Andrew W.; Devonshire, Alan L.

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 509 KB
Volume: 48
Category: Article
ISSN: 1526-498X
DOI: 10.1002/(sici)1096-9063(199609)48:1<57::aid-ps435>3.0.co;2-9

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✦ Synopsis

Bioassays of nicotine and imidacloprid against clones of Myzus persicae (Sulzer) and Myzus nicotianae (Blackman) from around the world demonstrated that some had low levels of resistance to both compounds. This was (expressed not only as a reduced mortality, but more markedly as differential inhibition of feeding by imidacloprid concentrations in the parts per billion range. Such concentrations also reduced aphid fecundity by inhibiting the production and viability of nymphs, and this effect was more marked for susceptible aphids than for those showing reduced direct lethal and antifeedant effects.

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