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Studies on the regulation of bud dormancy in different grapevine cultivars by ecological and endogenous factors


, : Studies on the regulation of bud dormancy in different grapevine cultivars by ecological and endogenous factors. Vitis 13(2): 98-111

The chilling requirements of the cvs Riesling and Spatburgunder were studied. Chilling 1-year-old shoot shortened the critical time of bud burst of cuttings taken from them, and the percentage of burst buds increased in the course of dormancy from October to March. Dormancy was deeper in Riesling than in Spatburgunder.

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