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FREEZE INDUCED MEMBRANE PERMEABILITY CHANGES IN WINTER RYE.

Author(s) : GUSTA L. V.

Type of article: Article

Summary

THE FREEZING AND THAWING IN LIVE AND FULLY COLD-HARDENED CROWNS OF WINTER RYE (SECALE CEREALE L.) CAN BE DESCRIBED BY TWO RATE CONSTANTS. THE RATES OF FREEZING AND THAWING OF THE MAJOR FRACTION OF TISSUE WATER INCREASED SHARPLY WHEN THE CROWNS WERE COOLED BELOW THEIR KILLING TEMPERATURE, [243 K (-30 DEG C). THE MEASUREMENTS, ALL MADE BELOW 269 K (-4 DEG C), SUGGEST THAT THE CHANGES IN THE PLASMA MEMBRANE WATER PERMEABILITY ARE ASSOCIATED WITH THE FROST DAMAGE AND CAN BE OBSERVED WITHOUT FULLY THAWING THE TISSUE.

Details

  • Original title: FREEZE INDUCED MEMBRANE PERMEABILITY CHANGES IN WINTER RYE.
  • Record ID : 1982-1935
  • Languages: English
  • Source: Cryo-Letters - vol. 3 - n. 1
  • Publication date: 1982
  • Document available for consultation in the library of the IIR headquarters only.

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