It’s odd to see entirely different leaf shapes on your vine. While younger leaves can vary as the vine matures, there the basal sinus is also...
The latter option is better. Once they start bud swell, the extreme cold will kill the bud. I know it’s a late reply, but may help others in the...
It doesn’t appear to be leaf roll virus. It looks like powdery mildew. This can explain the chlorosis (yellowing) of the leaves. If left...
I just joined today, but I’ve grown grapes for years. How are your grapes doing now? Some leaf tip browning may be from over-fertilizing. They...
There could be several reasons, spraying Sensitivity, cold snap, root nematodes, phylloxera, fertilizing, really difficult to say. Even drift...