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Need help with what’s wrong with my squash plants

Posted on 5/21/24 at 10:13 am
Posted by 9Fiddy
19th Hole
Member since Jan 2007
65576 posts
Posted on 5/21/24 at 10:13 am
My 4 year old started a small garden and the squash plants were coming up like gangbusters, but overnight the leaves turned this wilted color.

I have no experience with this and Google has all kinds of different things it could be. Before I assume something is wrong, is this normal? And if not, what do those of you with experience think it could be?

Posted by guedeaux
Member since Jan 2008
13725 posts
Posted on 5/21/24 at 11:00 am to
Squash vine borer
Posted by 9Fiddy
19th Hole
Member since Jan 2007
65576 posts
Posted on 5/21/24 at 11:11 am to
Will sevin dust take care of it?
Posted by LegendInMyMind
Member since Apr 2019
66868 posts
Posted on 5/21/24 at 11:45 am to
If it is squash vine borer they will eventually kill the plant. You can check for them by lifting the leaves and checking the main stem(s) of the plant. You'll look for quite small, discolored holes along the stem. Those would be the holes where the borer larvae entered the vine.

That said, it looks like those plants aren't wilting right now, which if it were the borer you would see, or begin to see shortly. It looks more bacterial, at least right now, which could be from the work of the squash bug (different from the squash vine borer). You could dust them with Sevin and keep a watch. If they don't start to wilt pretty soon, then it probably isn't the borer or a bacterial wilt.
Posted by chrome1007
Toledo Bend
Member since Dec 2023
555 posts
Posted on 5/21/24 at 6:41 pm to
My recommendation…..
Get some onslaught and spray the entire area and thoroughly spray the squash. Even under the leaves.
I’ve never seen squash look like that.
Posted by gmac8604
Green Bay, WI
Member since Jun 2012
1236 posts
Posted on 5/22/24 at 1:05 am to
Looks like leaf rot. Side dress with lime and fertilizer.
Posted by boudinman
Member since Nov 2019
6101 posts
Posted on 5/23/24 at 4:40 pm to
Most likely leaf blight fungus. Spray with a copper fungicide. TSC has it.

You can mix it wirh your insecticide and spray them with both at same time.

TSC
This post was edited on 5/23/24 at 4:45 pm
Posted by boudinman
Member since Nov 2019
6101 posts
Posted on 5/23/24 at 4:40 pm to
(no message)
This post was edited on 5/23/24 at 4:43 pm
Posted by boudinman
Member since Nov 2019
6101 posts
Posted on 5/23/24 at 4:40 pm to
(no message)
This post was edited on 5/23/24 at 4:42 pm
Posted by boudinman
Member since Nov 2019
6101 posts
Posted on 5/23/24 at 4:40 pm to
(no message)
This post was edited on 5/23/24 at 4:42 pm
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