1st a grumpy note: This is your 3rd post about the same topic-- it's very challenging for us to keep up with folks who are a moving target. Okay, grumpy off. The "white" may be powdery mildew. But I can't determine if it's powdery stuff or the normal silvering of some leaves. (The bright sun interferes) The hole at the edge of the leaf in the 1st image -- Is that the only leaf that's damaged? Or only a few? If so, not problem. The holes in the other leaves are small and few. The rounded ones may be from critter bites. The lines and angular tears may be mechanical damage. Overall, not to worry.

http://forums2.gardenweb.com/forums/load/cornucop/gal062153163329.html?1 I am really sorry about the vagueness of where the other post is. I just assumed it would be understood it was in this forum's gallery section, but it is easy to know that if you already know that. :-) I posted a small clickable thumbnail when I read it is best to load small pics as they are easier to load, and then can be clicked on to be seen bigger. I thought the big ones were much nicer too, and maybe not everyone can click it and make it bigger. Sorry again. I am puzzled also by the shredding of the leaves after the white/silvery stuff appears, but in looking up possible causes which I have been doing every night, I found that angular water spot will shred the leaves just like it is an isect eating it. I don't think it looks exactly like it, but it is the closest thing I have found yet. I just went out to the garden in hopes of some pics this morning but I knew the dew would probably be too heavy and it was. it really washes out the white color making it hard to see. I have an appt before lunch, but will be getting pics the first minute I can when I get back. Thanks so much for taking the time to try to help me figure this out. If the cucs are lost, at least if I identify it soon, I can do prevention on the other vines before they get too bad to save. Julie

Pruning generally won't kill or cause disease. Powdery mildew is tough to control once it's started. I use Daconil for a fungicide. I'm just not familiar with any other fungicides.

Dave, I can see spraying for tomato foliage diseases on a preventative basis, but not so much for bugs and insects unless you know they're waiting to zoom in abnd do every year. Most folks I know spray with the Ortho product b'c it's excellent at preventing tomato fungal foliage diseases, which are usually worse than the bacterial ones, for which there aren't very good products anyway. You say you think you had blight, but blight is just a general term and doesn't relate to any one specific disease. When talking about "blight" are you talking about the foliage infections that are so common for everyone or something more serious as in a systemic disease ? Try Pyrethrin to try and control the cuke beetles but the best prevention is to use floating row covers and then take them off when blossoms appear so that pollination can occur. Even if the cuke beetles transmit disease at that time you'll still have time to get fruits before plant death starts b/c it takes a good month from time of transmission until symptoms appear. Carolyn