What is this disease......it looks like phylloxera.
I have just over 100 pinot noir vines that were planted 3 years ago. They are PN Pommard/ 101-14 grafted vines. Last year I saw this disease and assumed it was controllable with Sulphur but that apparently didn’t work. This year it is back on a few vines. Can u identify it and tell me how to get rid of it? Please.
Washington County Oregon
Thank you, I am happy to know that my vines and grapes will not be severely harmed.