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Vine Pests
lizf4619
Posts: 30
Any ideas of how to get rid of these blisters? This is our second year with this plant and it has 2 bunches of grapes.
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Posts
Did you cut back in October to two stems? and it will need watering well and feeding .the red blistering I am not sure of with out seeing it. I have a vine which I have had for 38 years .
No, didn't cut back at all, as it was a new plant. I've cut out the affected leaves and binned them. I've been using a tomato feed once per week.
Without a picture I can't be sure, but these sound very much like vine leaf galls caused by a small insect. They're very common - I rarely see a vine without some on the leaves - there is no treatment but don't worry, they don't affect cropping - best just to leave them be.
Gardening in Central Norfolk on improved gritty moraine over chalk ... free-draining.