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Am. J. Enol. Vitic. 45:4:444-451 (1994)
Copyright © 1994 by the American Society for Enology and Viticulture.
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Impact of Training System and Vine Spacing on Vine Performance and Berry Composition of Seyval blanc

Andrew G. Reynolds 1 and Douglas A. Wardle 1

1 Agriculture Canada Research Station, Summerland BC V0H 1Z0, Canada.

Own-rooted Seyval blanc vines were subjected to five training treatments [Geneva Double Curtain (GDC); Hudson River Umbrella (HRU); 6-arm Kniffin (6AK); midwire cordon (MWC); Y-trellis (YT)] and three vine spacings (1.4, 1.8, and 2.4 m). Weight of cane prunings (vine size) was lowest in GDC vines and was most optimal in HRU, 6AK, and MWC systems. Increasing vine spacing decreased vine size linearly on a per meter of row basis. Yields of divided canopies (GDC and YT) averaged 42% higher than single curtain systems, but cluster weights, berries per cluster, and berry weights were lower. The GDC system produced fruit with lowest °Brix, but also with lowest titratable acidity (TA) and pH and the least percentage of bunch rot. Vine spacing reduced yield linearly with increasing spacing, but it had a limited influence on fruit composition.

Key words: canopy management, trellising, canopy division, fruit composition, French-American hybrids

Submitted on September 27, 1993




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B. P. Bordelon, P. A. Skinkis, and P. H. Howard
Impact of Training System on Vine Performance and Fruit Composition of Traminette
Am. J. Enol. Vitic., March 1, 2008; 59(1): 39 - 46.
[Abstract] [Full Text] [PDF]


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Copyright © 1994 by the American Society for Enology and Viticulture.