Monitoring of herbicide effect in maize based on electrical measurements

I. Cseresnyés, G. Fekete, K. R. Végh, A. Székács, M. Mörtl, K. Rajkai

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The effect of the herbicide acetochlor on root growth was studied by a non-destructive electrical impedance and capacitance method in pot experiments on maize. Acetochlor was applied both as single active ingredient and mixed with safener AD-67 in two dosages. Without safener addition, acetochlor had a permanent inhibiting effect on plant root expansion. The safener AD-67 was capable of providing protective effect against herbicide application. High correlations between root electrical impedance or capacitance and the root dry mass or surface area under our labo- ratory conditions were confirmed by plant harvest method. Root electrical impedance and capacitance measurements proved to be valid for monitoring the effect of the herbicide influencing root development and for distinguishing plant groups subjected to different stress conditions.

Original languageEnglish
Pages (from-to)243-247
Number of pages5
JournalInternational Agrophysics
Volume26
Issue number3
DOIs
Publication statusPublished - Aug 15 2012

Keywords

  • Acetochlor
  • Electrical capacitance
  • Electrical impedance
  • Maize
  • Root growth

ASJC Scopus subject areas

  • Water Science and Technology
  • Agricultural and Biological Sciences(all)
  • Soil Science
  • Fluid Flow and Transfer Processes

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