![]() This article will concentrate on two of the most common, spur-pruning and cane-pruning. There are several ways to prune grapevines. Think of it as an investment in next years crop. Improvement of bud fruitfulness occurs generally when one selects healthy wood with plump bubs that have been exposed to sunlight. Improve bud fruitfulness by bud selection and placement. By consistently limiting the number of shoots and leaves by dormant pruning, one is also working to produce the maximum crop without delaying maturity year after year.Ĥ. Its capacity to do so is largely dependent on the amount of leaf area and photosynthetic activity. A given vine in a given season can only produce a certain quantity of fruit. Improve fruit quality and stabilize production over time. By regulating the total number of buds, one is concentrating growth into remaining shoots and clusters.ģ. During pruning, one removes buds that would otherwise become new shoots, with new clusters in the spring. Regulate the number and positions of shoots on a vine, and cluster number and size. This enables the vine to retain a similar shape year after year in order to facilitate cultural operations including harvest.Ģ. In commercial grape production, vines are trained and pruned upright onto a trellis support structure. They climb by several adaptive mechanisms including stem twining and by attaching themselves to supports with tendrils. Grapevines are referred to as lianas, or woody tree climbers. The following are several basic reasons to prune:ġ. ![]() Such a delay in bud break may be desirable in frost prone areas. ![]() Vines pruned very late in the season usually start spring growth slightly later than those pruned mid-dormancy. Timing of pruning within the dormant season may also affect the time of bud break. For this reason, pruning before leaf fall can affect storage leading to mineral deficiencies and poor bud maturation, which can affect the growth of the vine and the crop in the following season. Before this time, minerals and carbohydrates are transferred from the leaves into the permanent, woody structures of the vine for winter storage. Once the leaves fall, the vascular system becomes inactive and plugs up. Pruning of grapevines is recommended anytime after leaf fall, which may occur late fall or throughout the winter. The most important operation during the dormant season is pruning. Although the holidays are here and most of us are enjoying our family and friends, a few cultural practices remain in the vineyard. ![]()
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