Factors Influencing the Development of Cyanide-resistant Respiration in Potato Tissue

Authors:
  • ARAnna Rychter
    Anna Rychter
  • CFChaim Frenkel
    Chaim Frenkel

Abstract
Ethylene, cyanide gas and volatalized ethanol, acetaldehyde and acetic acid were applied in a continuous flow to whole potato [Solanum tuberosum cv. Norchip] tubers. Freshly cut slices were obtained periodically during the treatment, and showed a progressive development of a cyanide-resistant respiration. The application of the employed volatiles in 100% O2 accelerated the onset and the magnitude of the cyanide-resistant respiration. Apparently, similar to ethylene and cyanide, the application of ethanol, acetaldehyde, or acetic acid can also lead to the development of cyanide-resistant respiration in whole potato tubers and this type of respiration is retained in freshly cut slices.

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