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Enhancement of spinosad toxicity toCydia pomonella neonates by monosodium glutamate receptor agonist

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Recently, we reported that monosodium glutamate (MSG) is a feeding stimulant and an enhancer of pesticide toxicity against neonates of the codling moth. Herein, we show that a MSG alternative,trans-1-aminocyclobutane-1,3-dicarboxylic acid (trans-ACBD), alone or in the presence of spinosad (Success®), increases leaf tissue consumption by codling moth neonates. In contrast to MSG,trans-ACBD maintains its feeding stimulatory properties in the field even after 20 mm of simulated rain, and effectively increases spinosad efficacy in both laboratory and field experiments.

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Correspondence to Maciej A. Pszczolkowski.

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http://www.phytoparasitica.org posting July 14, 2004.

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Pszczolkowski, M.A., Brown, J.J. Enhancement of spinosad toxicity toCydia pomonella neonates by monosodium glutamate receptor agonist. Phytoparasitica 32, 342 (2004). https://doi.org/10.1007/BF02979842

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Key words

  • Larvae
  • insect feeding
  • glutamate receptors
  • NMDA receptors
  • trans-ACBD