Leaf all curled.

[mgmarty]

Thought this was heat stress, but it won't go away with the new growth. Is this a disease?

 

[grapeman]

It looks like some kind of herbicide damage - not really 2,4-D but some sort.

 

[Pat57]

Sure looks dry. What is your soil like? Looks like clay? The first thing I would do is water the heck out of those vines?

 

[GEM]

It does not look like leaf curl disease. I would go along with its' needing water. This is advice from a 3d year grapevine grower, i.e. newbee. Cheers, Gary

 

[GreginND]

24D or roundup damage?

 

[mgmarty]

My vineyard is pretty isolated and I don't think it was sprayed. I thought it was not getting enough water, the tendrils were shriveling up. So for two weeks I have been water the heck out of them and the seem to be coming back, tendrils look good but plant looks sickly and leaves all curl.

 

[TimTheWiner]

I have a few vines looking like this as well, some a little black or brown around the edges. Was wondering the same.

 

[grapeman]

With water defecit, all the leaves would be wilted not curled up at the edges. I still say it is some sort ofr spray damage. Remember you don't need to be the one applying the spray- a neighbor can be and it is carried in the air as a vapor or gas. Some vegetable sprays can make vines 1000 feet away look like that and sometimes even worse.

 

[mgmarty]

Checked with the neighbor, yep, month ago he sprayed the fence line. I am lucky it got only a few vines. Didn't tell me what he sprayed, he works for the power company and its a product they use.

 

[Abrnth3]

Guess you should ask him if he would not mind paying to replace the vines he killed. Responsible herbaside use is a law. Until then I would mulch about 4-6" thick 2ft around and water evry evening till they come out of it or you're sure they are dead.