Freezing of Nonwoody Plant Tissues | Zendy

Bernard J. Finkle | Zendy; E. Sa B. Pereira | Zendy; Milford S. Brown | Zendy

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Freezing of Nonwoody Plant Tissues

Author(s) -

Bernard J. Finkle,

E. Sa B. Pereira,

Milford S. Brown

Publication year - 1974

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.53.5.705

Subject(s) - softening , dehydration , extracellular , chemistry , horticulture , electrolyte , botany , biophysics , biology , biochemistry , materials science , composite material , electrode

Small cylinders of red beet (Beta vulgaris) root were frozen at various rates. Ultraslow cooling at 0.2 C per hour to -4 C produced little damage, as determined by leakage of pigment and electrolytes, and softening. All of these increased at faster rates of cooling or at lower temperatures. Cooling at the ultraslow rate appears to induce extracellular freezing, resulting in a protective dehydration of the cell contents.

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