Repellent activity of plants from the genus Chenopodium to Ostrinia nubilalis larvae

Dariusz Piesik, Didier Rochat, Jan Bocianowski and Frédéric Marion-Poll
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Didier Rochat: UMR N°1272 INRA/Université Paris 6/AgroParisTech, Physiologie de l'Insecte: Signalisation et Communication, INRA Centre de Versailles-Grignon, Versailles Cedex, France
Jan Bocianowski: Department of Mathematical and Statistical Methods, Poznań University of Life Sciences, Poznań, Poland
Frédéric Marion-Poll: UMR N°1272 INRA/Université Paris 6/AgroParisTech, Physiologie de l'Insecte: Signalisation et Communication, INRA Centre de Versailles-Grignon, Versailles Cedex, France

Plant Protection Science, 2018, vol. 54, issue 4, 265-271

Abstract: The olfactory choices expressed by naïve neonate European corn borer (ECB) larvae were tested by recording their locomotor activities in response to odours coming from plants of the genus Chenopodium (producing phytoecdysteroids or not). ECB larvae were found to be repelled from phytoecdysteroid-positive species, except C. album and C. polyspermum. On the contrary, they were mildly attracted or mildly repelled by phytoecdysteroid-negative species, except C. botrys (which emits a rancid odour). These observations indicate that neonate ECB larvae clearly differentiate plant odours and suggest that well-defended plants may emit repellent odours.

Keywords: European corn borer; odours; larvae; orientation; behaviour (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpps:v:54:y:2018:i:4:id:143-2017-pps

DOI: 10.17221/143/2017-PPS

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