Ozone affects growth and development of Pieris brassicae on the wild host plant Brassica nigra

E. Khaling, S. Papazian, E.H. Poelman, J.K. Holopainen, B.R. Albrectsen, J.D. Blande

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19 Citations (Scopus)

Abstract

When plants are exposed to ozone they exhibit changes in both primary and secondary metabolism, which may affect their interactions with herbivorous insects. Here we investigated the performance and preferences of the specialist herbivore Pieris brassicae on the wild plant Brassica nigra under elevated ozone conditions. The direct and indirect effects of ozone on the plant-herbivore system were studied. In both cases ozone exposure had a negative effect on P. brassicae development. However, in dual-choice tests larvae preferentially consumed plant material previously fumigated with the highest concentration tested, showing a lack of correlation between larval preference and performance on ozone exposed plants. Metabolomic analysis of leaf material subjected to combinations of ozone and herbivore-feeding, and focussing on known defence metabolites, indicated that P. brassicae behaviour and performance were associated with ozone-induced alterations to glucosinolate and phenolic pools.
Original languageEnglish
Pages (from-to)119-129
JournalEnvironmental Pollution
Volume199
DOIs
Publication statusPublished - 2015

Keywords

  • elevated atmospheric co2
  • beetle epilachna-varivestis
  • betula-pendula roth
  • glucosinolate concentrations
  • secondary metabolites
  • feeding preference
  • oviposition preference
  • specialist herbivores
  • plutella-xylostella
  • leaf beetle

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