No sign of moles, I treat the vineyard with milky spore. Don't have gophers in these parts. We do have groundhogs, but they are encouraged to stay clear. It does look like the vine was dying from lack of water. I did start watering daily, to no avail.Any signs of gophers? A little tug on the trunk will tell you if they have been around...
No sign of damage to bark.Lucky you - no gophers… I fight a daily battle with them.
Hmm - any damage to the vine bark - especially down near where it enters the soil? Perhaps some critter chewed through the bark layer and has disrupted the flow of moisture through the vine.
Own rooted.Is it by chance on grafted root stock?
Grape vine borer? (You probably have this figured out by now, hope it resolved itself)!No sign of damage to bark.
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