Young grape vine lost all leaves almost overnight

I just planted some grape vines about a month ago.

One has had *all* its leaves (like, 5 leaves - it's a new plant) turn black and shrink up into almost non-existance.

This happened almost overnight - probably a period of 48 hours.

Now all it has is like 3" of bright green vine stem with no leaves.

Anyone know what's up with that?

Any suggested solutions if it starts affecting other vines?

Did you have frost?

No, not anywhere near frost for past 45 days. We've been in the 90's and 80's Farenheit during the days, and 60's at night.

We did have a strong downpour of rain (1.5") four days ago.

I don't understand the description "turn black and shrink up into almost non-existance".

To me, the picture looks like something ate all the leaves overnight.  

There is so much black in the picture on the mulch that I am not seeing any black leaves.  Maybe a white piece of paper over the mulch would help show the leaves.

Anne Miller wrote:I don't understand the description "turn black and shrink up into almost non-existance".

To me, the picture looks like something ate all the leaves overnight.  

There is so much black in the picture on the mulch that I am not seeing any black leaves.  Maybe a white piece of paper over the mulch would help show the leaves.

I should've used a piece of paper, that's a good idea.

It might've be eaten - I do have a hrair of wild rabbits scampering about.

I was thinking it was some form of blight, because I saw the leaves had black on them, and some turned brown, and shriveled in almost nothing, but I suppose it's likelier that some had black and brown on them, shriveled up, and unrelated to that, a rabbit came by and ate all the green ones?

Another one got stricken. =(...

I'll put cages over everything if that's the case, and sprinkle diatomaceous earth incase it's bugs.

The newly stricken one has I think an unopened leaf bud, so if I act now, it may still make it.

I think it looks like something came and chomped on it- rabbits would certainly do it. If you had blight, the plant would linger a bit. See if you can cover them up somehow and watch what happens with the next bud. Good luck!

I found two rabbits practically on top of it, so I guess that answers that question.

I have things caged now.

Thanks, friends!