VASCM: Black Spots

[Kenneth Challenger]

Thanks to everyone who responded. The consensus seems to be that it is spray burn. I cannot think of how it happened but since it is isolated to a couple of rows near the end of the vineyard that is the last area to be sprayed, perhaps the concentration of Quintec (last spray I used) was too high as the tank emptied (however, my sprayer has recycle agitation).

Thanks again for your input. I appreciate the experience and help that VASCM members so generously share.

Ken

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