Stimulation of wound reactions in potato tubers by thiabendazole

E. F. Elstner, I. Pils, M. Niehuss

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Thiabendazole (TBZ), an antifungal and antihelmintic benzimidazole derivative, after 6 min treatment with a 0.1 mM aqueous solution enhances CO2 release in intact potato tubers for up to two hours. There are also indications for a reduced water permeability of isolated periderm layers from TBZ - treated potato tubers. Potato slices (ca. 3 mm thick) or discs (with ca. 5 mm diameter) from potato slices show enhanced ethane formation after TBZ - treatment exhibiting maximal rates ca. two hours after treatment, indicating enhanced unsaturated fatty acid peroxidation. This lipid peroxidation is not enhanced by TBZ in potato homogenates or in isolated potato mitochondria. The results of this communication might partly explain macroscopically observable, preservative effects of treatment of freshly harvested potatoes by a stimulation of certain metabolic responses after mechanical wounding.

Original languageEnglish
Pages (from-to)115-121
Number of pages7
JournalZeitschrift fur Naturforschung - Section C Journal of Biosciences
Issue number1-2
StatePublished - 1 Feb 1981


  • Ethane Production
  • Lipid Peroxidation
  • Solanum tuberosum L
  • Thiabendazole
  • Wound Reactions


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