Wednesday, June 24, 2009

Grapes Gone Wild!

This is what a typical Pina Vineyard Management Farmed vine looks like this time of year. The canes have been hand tucked to be inside the trellis wires and the clusters are developing nicely within the fruit zone. The fruit zone is a horizontal band about a foot tall. And as the name implies, it is where the fruit grows. The reason the grapes only grow in this area is because the fruit only forms on buds that arise from the previous season’s growth. And each of the vertical canes (branches) was pruned back to 2 buds during the dormant season. In fact, the clusters above were formed during the 2008 growing season. Before pruning for the next year’s crop, some folks will study the buds on some pruned “sample” canes to forecast the number of clusters that can be expected, and prune accordingly. This is done by opening up the buds and studying them under a microscope. You can actually see the beginning formations of the clusters. I was amazed the first time I had the opportunity to see this.

Later in the year, the grapes will look something like this:


So what happens to a vine that does not get pruned back at the end of the growing season?

Here’s a good example: The picture above is a enlarged section of the picture below:


When a vine goes un-pruned, clusters form all over the vine. The above vine was not pruned because this block of vines is scheduled for removal. There are too many clusters for the vine to carry them all uniformly to full maturity during a regular growing season. The resulting crop is out of control and would not produce the quality of fruit used in most high end wines.

These are obviously “Grapes Gone Wild”

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