The potential antifeedant activity of lichen-forming fungal extracts against the invasive spanish slug (Arion vulgaris)

Maksims Zolovs, Iveta Jakubāne, Jelena Kirilova, Inese Kivleniece, Rolands Moisejevs, Jelena Koļesnikova, Digna Pilāte

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The protection of horticultural crops from slug feeding can be achieved using slug pellets; however, application of molluscicides is not always safe for the environment. There is a need for alternative methods to reduce the palatability of crop plants. Chemical properties of secondary compounds from lichens influence the feeding behaviour of slugs. Liquid extracts of three lichen species (Cladonia rangiferina (L.) F.H. Wigg., Cladonia stellaris (Opiz) Pouzar & Vězda, and Pseudevernia furfuracea (L.) Zopf) were applied to three different crops and tested for their antifeedant properties against an important agricultural pest, the Spanish slug (Arion vulgaris Moquin-Tandon, 1855). All three extracts had specific activity, showing a decrease in grazing intensity as well as slug mass loss after feeding on treated food. Slugs significantly gained mass after feeding under control condition; however, they did not gain mass when fed on extract-treated food. The most effective extract was from P. furfuracea. We propose to use properties of lichen extracts to develop new environmentally friendly molluscicides.

Original languageEnglish
Pages (from-to)195-201
Number of pages7
JournalCanadian Journal of Zoology
Volume98
Issue number3
DOIs
Publication statusPublished - 2020
Externally publishedYes

Keywords

  • Antifeedants
  • Arion vulgaris
  • Extraction
  • Invasive species
  • Lichen
  • Secondary metabolites
  • Spanish slug

Field of Science

  • 1.6 Biological sciences

Publication Type

  • 1.1. Scientific article indexed in Web of Science and/or Scopus database

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