Chapter 29

Winter Protection of Grapevines

(book excerpts)

Cold damage to grapevines is a worldwide concern but is especially prominent in regions that experience low-winter temperatures. Cold-winter temperatures can damage the buds, canes, cordons, trunks, or roots, and even kill the vine. The plant tissues are injured more when there is an exceedingly fast drop in temperature at night during the winter. Winter injury is also the major cause of crown gall disease development in vines. The economics of these losses to winter injury can be devastating to a vineyard business affecting a vineyard’s profitability for many years. While growers can’t control the weather, they do have some control over their grapevines’ ability to survive through the winter with minimal damage.

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