Sublethal effects of herbicides on the biomass and seed production of terrestrial non-crop plant species, influenced by environment, development stage and assessment date

M.M. Riemens, T.A. Dueck, C. Kempenaar, L.A.P. Lotz, M.J. Kropff

Research output: Contribution to journalArticleAcademicpeer-review

25 Citations (Scopus)

Abstract

Guidelines provided by the OECD and EPPO allow the use of single-species tests performed in greenhouses to assess the risk of herbicides to non-target terrestrial plant communities in the field. The present study was undertaken to investigate the use of greenhouse data to determine effects of herbicides with a different mode of action on the biomass, seed production and emergence of field-grown plants. In addition, a single species approach was compared with a mixed species approach. Effects on the biomass of greenhouse and field-grown plants were found to be related at different effect levels, indicating that it might be possible to translate results from greenhouse studies to field situations. However, the use of single-species tests may not be valid. The response of a single plant species to sublethal herbicide dosages differed to the response of the same species grown in a mixture with other species. The use of single-species greenhouse tests in the ecological risk assessment of crop protection products may only be valid for single species in the field, not for vegetations. Keywords: Non-crop terrestrial plants; Tepraloxydim; Greenhouse; Field; Biomass
Original languageEnglish
Pages (from-to)2306-2313
JournalEnvironmental Pollution
Volume157
DOIs
Publication statusPublished - 2009

Keywords

  • spray drift
  • conservation interest
  • field
  • greenhouse
  • vegetation
  • impact
  • flora
  • model

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