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Potential frost resistance of grape: kinetics of temperature-induced hardening of Riesling and Silvaner buds


Vitis 36(4): 213-214
Potential frost resistance of grape: kinetics of temperature-induced hardening of Riesling and Silvaner buds
Buds of field-grown (in Germany) Riesling and Silvaner vines were sampled in January and exposed to 3 temperatures of -14, -17 or -20 degrees C for 12-48 h. The higher potential frost resistance of Riesling is ascribed to its rapid and intensive acclimation to frost after hardening at -17 and -20 degrees and to the maintenance of its frost resistance during hardening for up to 48 h.


Accession: 003237084



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