ISHS Acta Horticulturae 289: International Symposium on Plant Biotechnology and its Contribution to Plant Development, Multiplication and Improvement
FROST HARDINESS OF COMMONLY GROWN POTATOES (SOLANUM TUBERROSUM) L. |
| Authors: | G.F. Collet, V. Dvorak, c.L. Lê |
| Abstract:
Frost hardiness experiments and duration of conservation at +3°C ± 1 were performed with in vitro minicuttings of potato varieties (Swiss assortment). Ability to support lethal temperature (-6°C) depends on the time of cold hardening. Short warm period (72 h at 18°C) just before testing at negative Temperature does not modify this ability. Contents of amino acids were compared between cold hardening and normal stolons. | |
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