I have St. Pipen and Lacrosse grapes. I've noticed that the young shoots will have leaves that like to curl and sometimes turn brown on the edges. I haven't seen any evidence of fungi. I've only used mancozeb and spectracide multipurpose. Looking at my pictures, can anyone tell me what might be going on here. These are second year plants and I noticed the same condition on them last year, mostly on the Lacrosse. thanks, Gordon