The use of ECAS in plant protection: a green and efficient antimicrobial approach that primes selected defense genes

Marco Zarattini, Morena De Bastiani, Giovanni Bernacchia, Sergio Ferro, Achille De Battisti

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

The use of highly polluting chemicals for plant and crop protection is one of the components of the negative environmental impact of agricultural activities. In the present paper, an environmentally friendly alternative to pesticide application has been studied, based on the so-called electrochemically activated solutions (ECAS). Experiments have been carried out, by applying ECAS having different contents of active ingredients, on tobacco plants at a laboratory scale and on apple trees at fruit garden scale. The results, accumulated during a couple of years, have shown that properly selected dilute solutions of chlorides, once activated by an electrochemical treatment, exhibit a very effective protecting action of plants, irrespective of their nature. Extension of the research has shown that the observed effect is the result of two distinct factors: the expected anti-microbial action of the electrochemically synthesized oxidants, and an unexpected priming of immune plant defenses, which is clearly due to the treatment with ECAS. Interestingly, the repetition of ECAS application triggers an even stronger activation of defense genes. No oxidative damages, due to the use of the activated solutions, could be detected.

Original languageEnglish
Pages (from-to)1996-2008
Number of pages13
JournalEcotoxicology
Volume24
Issue number9
DOIs
StatePublished - 1 Nov 2015
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2015, Springer Science+Business Media New York.

Keywords

  • Antimicrobial activity
  • Electrochemically activated solutions
  • Endogenous plant defense
  • Green chemicals
  • Hypochlorous acid
  • Oxidative stress

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