Cryoprotectants influence freezing resistance of grapevine bud and leaf tissue
Several cryoprotectant chemicals were tested for their ability to increase the freeze resistance of grapevine (Vitis labruscana Bailey) leaf and dormant bud tissue. DuPont Surfactant WK, ethylene glycol, and BRIJ 35 were effective in lowering the low-temperature exotherm (LTE) in 'Concord'...
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Published in | HortScience Vol. 26; no. 4; pp. 406 - 407 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
Alexandria, VA
American Society for Horticultural Science
01.04.1991
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Subjects | |
Online Access | Get full text |
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Summary: | Several cryoprotectant chemicals were tested for their ability to increase the freeze resistance of grapevine (Vitis labruscana Bailey) leaf and dormant bud tissue. DuPont Surfactant WK, ethylene glycol, and BRIJ 35 were effective in lowering the low-temperature exotherm (LTE) in 'Concord' grape buds below controls by 5.4, 5.1, and 3.9C, respectively, in March. Measurements taken in April showed BRIJ 35 and Surfactant WK to be notably superior to the other products, giving LTEs 14.1 and 12.2C below controls, respectively. Ethylene glycol, Frostguard, and Frost Free were less effective. LTEs were also significantly decreased in grape leaf disks 4.1C by BRIJ 35, 2.1C by Frostguard, and 0.4C by Frost Free treatments |
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Bibliography: | H50 F01 9127310 |
ISSN: | 0018-5345 2327-9834 |
DOI: | 10.21273/HORTSCI.26.4.406 |