I see this alot in ditches or low spots.It's very noticeable by the light green.
This has come up along the property line where water runs to the front ditch.
Neighbor has alot that has now spread to my side where I'm trying to fill in bermuda.

Can't find what this is called

Don't want to go the nuclear route of glyphosate.
Have tried celsius ,quinclorac,weed stop.

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Posted by RaginCajunz

Member since Mar 2009

7084 posts

Posted on 9/23/24 at 9:19 pm to bonstonker

Pretty sure that’s southern watergrass. I think the only fix is roundup and sod. It lives in my ditch as well

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Posted by bonstonker

Member since Jan 2008

361 posts

Posted on 9/23/24 at 9:45 pm to RaginCajunz

Yep that's it 100%
Didn't notice the watergrass section on lsu agcenter site.
Thankyou

This post was edited on 9/23/24 at 9:49 pm

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Posted by Ziggy

Member since Oct 2007

22054 posts

Posted on 9/24/24 at 6:50 am to RaginCajunz

quote:

Pretty sure that’s southern watergrass. I think the only fix is roundup and sod.

THIS.

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Posted by Woodsmaster

Baton Rouge

Member since Mar 2021

158 posts

Posted on 9/24/24 at 7:23 am to Ziggy

Definitely Southern Water Grass and it takes repeated sprayings with glyphosphate to kill it and even then it is likely to return the following year.

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Posted by lsujunky

Down By The River

Member since Jun 2011

2628 posts

Posted on 9/24/24 at 8:32 am to bonstonker

I have that shite in my ditch. I sprayed it with Farmworks 41% Glyphosate mixed 6oz/Gal and all it did was turn it yellow. Now after the ditch filled up and drained off from the hurricane it's all green again.

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