05:33 duration 5 minutes 33 seconds
Umbrella Kniffin System for Growing Grapes
University of Maine Cooperative Extension explains the step-by-step process in the umbrella kniffin pruning technique for Concord-type grapes.
05:11 duration 5 minutes 11 seconds
Four Arm Kniffin System for Growing Grapes
University of Maine Cooperative Extension demonstrates the four-arm kniffin pruning technique for Concord-type grapes.
03:45 duration 3 minutes 45 seconds
Caring for Young Grape Vines
University of Maine Cooperative Extension demonstrates how to prune and train young grape vines.
