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Friday, June 1, 2007

More growth

When you look back just two weeks you can find an incredible difference in the development of the canopy in these Norton vines. Now we have a full double curtain when two weeks ago we had two-foot shoots. The 6.5-foot curtain walls are established, if still a bit sparse. I'll soon need to hedge at the bottom to keep air flowing underneath. This split canopy, downward-hanging trellis...know as the Geneva Double Curtain (GDC) still uncommon outside of the Midwest and Eastern U.S. It requires more management work and isn't ideal for mechanical harvesting. It's also used mostly for American and hybrid varietals. But Richard Smart, author of the canopy management bible Sunlight into Wine, advocates such divided trellis systems for all varietals, even vinifera.

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