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Time course of electrolyte leakage from various samples killed by frost, liquid nitrogen or boiling

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Biologia Plantarum

Abstract

Samples of the same kind (rape leaves, wheat crowns, onion bulbs or spruce needles) killed by a slow freeze-thaw cycle or by immersion in liquid nitrogen showed a similar time course of leakage. Leakage was accelerated in treatments when the sample, immersed in water, was killed by heating for 5, 15 or 30 min in a boiling water bath. The longer the boiling, the sooner the maximum conductivity (Lkm) was obtained. The Lkm did not depend on the way of killing but in samples killed by freezing, it was achieved after a longer leakage time. The leakage rate decreased from onion to rape, wheat and spruce. The relative conductivity [%] allowed a better comparison of various treatments and of samples of different kinds of tissues than the specific conductivity [μS cm-1].

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Authors and Affiliations

  1. Department of Plant Physiology, Research Institute of Plant Production, Drnovská 507, 161 06, Praha 6, Czechoslovakia

    I. Prášil & J. Zámečník

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  1. I. Prášil
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  2. J. Zámečník
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Prášil, I., Zámečník, J. Time course of electrolyte leakage from various samples killed by frost, liquid nitrogen or boiling. Biol Plant 32, 77–80 (1990). https://doi.org/10.1007/BF02897348

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  • DOI: https://doi.org/10.1007/BF02897348

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