Control of slug damage to oilseed rape and wheat with imidacloprid seed dressings in laboratory and field experiments

Louise Simms, A. Ester, Michael John Wilson

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

Slugs are common pests of oilseed and cereal crops in Europe and are currently controlled using bait pellets that often fail to give adequate protection: Here we investigate the potential of the broad-spectrum insecticide imidacloprid, previously suggested to have activity against slugs, to control slug damage to oilseed rape and winter wheat. In a series of laboratory experiments, imidacloprid seed treatment (2 and 4ga.i./kg seed) caused no reduction in slug damage to oilseed rape when exposed to three slug species and with one species, Milax gagates, significantly more oilseed rape was consumed in imidacloprid treatments. In two laboratory experiments using winter wheat, low doses of imidacloprid (0.7 and 1.4 g a.i./kg seed) had no deterrent activity and in some cases increased slug damage, but high doses (2.8, 5.6 and 8.1 g a.i./kg seed), significantly reduced levels of slug damage. In a field experiment with winter wheat, imidacloprid seed treatments (0.7 and 1.4 g a.i./kg seed) reduced slug damage to a lower level than that achieved by conventional bait pellets. However, the inconsistent and short-lived activity of imidacloprid suggests that it has little potential to be developed as a seed treatment for mollusc control in itself, but may offer some protection when applied to wheat or rape seeds to control insect pests. (c) 2005 Elsevier Ltd. All rights reserved.

Original languageEnglish
Pages (from-to)549-555
Number of pages6
JournalCrop Protection
Volume25
DOIs
Publication statusPublished - 2006

Keywords

  • slugs
  • Deroceras
  • Milax
  • Arion
  • seed treatment
  • imidacloprid
  • DEROCERAS-RETICULATUM MULLER
  • PERENNIAL RYEGRASS
  • APPLIED PESTICIDES
  • BARLEY

Cite this

Control of slug damage to oilseed rape and wheat with imidacloprid seed dressings in laboratory and field experiments. / Simms, Louise; Ester, A.; Wilson, Michael John.

In: Crop Protection, Vol. 25, 2006, p. 549-555.

Research output: Contribution to journalArticle

Simms, Louise ; Ester, A. ; Wilson, Michael John. / Control of slug damage to oilseed rape and wheat with imidacloprid seed dressings in laboratory and field experiments. In: Crop Protection. 2006 ; Vol. 25. pp. 549-555.
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