The primary functions of pruning grapevines are to--
-Shape the vine and maintain this shape so cultural practices can be carried out economically (For example, cultivation, irrigation, disease and pest control, and harvesting)
-Regulate crop. Pruning is the cheapest way to reduce the number of clusters and prevent overbearing of the vine. Thinning is a more efficient way to regulate crop but too costly.
-Distribute the bearing wood over the vine and regulate the amount of bearing wood according to each individual vine's capacity. Proper pruning results in a good crop of quality fruit year after year.
Kissler_Pruning_Unknownyear.pdf
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DateJune 25, 2013
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AuthorJames J. Kissler