Pruning is arguably the most important cultural practice a grape grower performs. Pruning has a dwarfing (pruned vines are physically smaller) and invigorating effect on the vine. When wood is removed, the roots that previously supported the top growth will have an abundance of hormones, carbohydrate reserves, and water and mineral absorbance capacity. This root abundance or 'excess supply' stimulates the remaining shoots to grow and expand at a rapid rate This rate is called "vigor", defined as rate of growth, not amount of growth, or overall vine/plant size. Read More
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