Recent content by chrisfont23

I sprayed with a fungicide four weeks ago, so you can see the effect that had

This doesn't sound promising: Few chemicals are registered for control of foliar grape phylloxera. Thiodan (endosulfan) is the standard for commercial growers, but no compounds are registered for homeowner use against grape phylloxera. (Endosulfan does burn some cultivars.)

It's a bump - through the leaf to the bottom. It's raised, red and then forms like a cone through the leaf on the other side.

Thanks guys. I sprayed it with fungicide a few weeks ago that was specifically meant to treat black rot. Oh well. Here's hoping the fruit is not destroyed too.

Newbie here. Can anyone tell me what this is and how to get rid of it (assuming it is bad).