HCC Research Vineyard Observations (7-1-14)


My how time flies.  I thought I’d skipped two weeks, but it’s been almost a month!  Sorry about the delay.

As with the last post, the numbers of surviving vines has essentially remained the same.  Today while walking through the vineyard I took note of any leaf damage.  Here is a document showing photos of leaves damaged due to chemical drift and one photo of the disease leaf phylloxera: Leaf damage – drift and disease.

While walking through the vineyard a couple of weeks ago, I thought I noticed some interesting, strange, irregular growth in some of the new leaves.  I wasn’t sure if it was drift damage or just new leaves on adolescent vines growing funny, so I decided not to write a post that week.  Wait and report what happens was the approach I took.  Here we are three weeks later, and I was correct.  It was drift damage that I noticed, in nearly every variety of vines.

The varietals that appear to be hit hardest are the table grapes (Concord, Jupiter, Mars, Neptune, Suffolk Red, and Vanessa) as well as Lacrosse, Fredonia, Marquis, Norton, Rougeon, Regent, and St. Croix.  Hardest hit of all is the Rougeon.  It seems those vines stopped in their tracks since the event and have either had no or very little growth since.

The table grapes all show the classic symptoms.  They not only have the wicked looking leaves (see photos in document above), but the internodes; that is, distance between nodes are much shorter than earlier in the season.

The chemical drift hit is bitter-sweet.  It’s unfortunate to see the vines damaged after the long hours and financing needed to plant them, but it is also a good test to see which vines were hit hardest and which weren’t.  Of course, wind conditions and the direction of the sprayed field, among other things also have an effect on which vines are hit hardest.  To see the locations of the rows in the vineyard which were hit hardest, refer to the vineyard map on the opening page of the blog.

Other observations in the vineyard include the Frontenac has made a new set of flowers trying to make fruit, even though we already pinched off the beginnings of berries a month ago.  Same thing with the Seyval Blanc, just like last year.  I suspect the Seyval will probably go again once more before the summer ends.


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