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Is this crabgrass

Posted on 5/15/19 at 7:03 pm
Posted by TigerSaint1
Member since Apr 2014
1479 posts
Posted on 5/15/19 at 7:03 pm


If so what is best to kill it?
Posted by SaDaTayMoses
Member since Oct 2005
4320 posts
Posted on 5/15/19 at 10:29 pm to
Roundup will kill it. Whatever that is in the picture
Posted by AU_251
Your dads room
Member since Feb 2013
11559 posts
Posted on 5/16/19 at 8:59 am to
it's probably dallisgrass or something closely related.

If that is a centipede lawn, sethoxydim will kill it real good
Posted by TigerSaint1
Member since Apr 2014
1479 posts
Posted on 5/16/19 at 5:11 pm to
St. Aug
Posted by jimbeam
University of LSU
Member since Oct 2011
75703 posts
Posted on 5/16/19 at 5:17 pm to
Don’t look like st aug to me
Posted by Contender54
the Enn Oh
Member since Jan 2009
998 posts
Posted on 5/16/19 at 7:38 pm to
It's not St. Aug.

My lawn is St. Aug, but I have a low area with that exact weed. I don't know what it is, but it's resilient.
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5266 posts
Posted on 5/17/19 at 8:41 am to
By chance, has it ever sent up a seedhead that looks like a hippie giving you the peace symbol sign?

LINK

If so, might be bahiagrass. If bahiagrass, it can be controlled with metsulfuron methyl (MSM Turf) which can be used in St Aug, Centipede, Bermuda.

However, I’d recommend you send this photo to Dr Ron Strahan, LSU AgCenter, rstrahan@agcenter.lsu.edu to see if he can ID from the photo and if so ask for control measures. Be sure to tell him what type of lawn grass you have.
This post was edited on 5/17/19 at 11:42 am
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