Grapevines require adequate chilling during dormancy for uniform bud break the following growing season, but vines in northern growing areas that are exposed to very low temperatures or sudden extreme low temperatures can be susceptibleto damage.Finding and recognizing the signs of this damage is critical for growers in these regions.Buds, canes, cordons, trunks and roots can be damaged when temperatures fall below a vine's particular cold hardiness level, and the vine itself can die. Buds are moderately susceptible to cold damage and cannot be repaired.
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