In this presentation on Grapevine Anatomy and Vine Balance, Fritz Westover at Virginia Tech University explains many common grapevine anatomy and pruning terms, what dormant pruning is and reasons for doing it, training systems (Vertical Shoot Positioning, Smart Dyson, Geneva Double Curtain, and Lyre), and vine balance. This presentation is highly recommended for new growers.
23 minutes. First of three presentations.
Vine Size and Balance and Balanced Pruning, Penn State University
Pruning Wine Grapes, Penn State University