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Weed ID help.

Posted on 7/28/21 at 6:19 pm
Posted by PillageUrVillage
Mordor
Member since Mar 2011
14715 posts
Posted on 7/28/21 at 6:19 pm
I have this stuff popping up in my flower beds often. I’ve searched through the weeds listed on LSUAg and can’t put my finger on it.





TIA

(Please don’t say torpedo grass, Please don’t say torpedo grass, Please don’t say torpedo grass….)
Posted by bbvdd
Memphis, TN
Member since Jun 2009
24913 posts
Posted on 7/28/21 at 6:36 pm to
Kinda looks like Bermuda grass to me

I could very well be wrong though
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5264 posts
Posted on 7/28/21 at 6:41 pm to
I second Bermuda.
Posted by PillageUrVillage
Mordor
Member since Mar 2011
14715 posts
Posted on 7/28/21 at 6:56 pm to
Thanks. Well, the good news is it’s not torpedo grass. I didn’t think it was because I’m sure TG is larger, but I’ve never actually seen it so what do I know.

I guess the not so good news is, I now realize I have this stuff mixed with my St Aug.
Posted by jimbeam
University of LSU
Member since Oct 2011
75703 posts
Posted on 7/28/21 at 7:33 pm to
Bermuda
Posted by PillageUrVillage
Mordor
Member since Mar 2011
14715 posts
Posted on 7/29/21 at 8:15 am to
I never really noticed it because I cut my St Aug high. So I guess that has kept it mostly suppressed. Ever since I sprayed Celsius the St Aug has been suppressed and now I'm seeing the Bermuda. Looks like I'll have to treat the lawn with some Atrazine in the spring. Maybe that'll help keep it from spreading into my flower beds?
Posted by Outdoorreb
Member since Oct 2019
2504 posts
Posted on 7/29/21 at 11:22 pm to
If the Bermuda is dormant atrazine won’t do shite to it. I sprayed RUP and Atrazine early spring last year thinking I was going to keep weeds and grass from encroaching on a gravel road but the Atrazine didn’t faze the Bermuda. (Maybe it was a fluke?)

Bermuda is hard to kill when you want to and you will kill it deader then he’ll if you aren’t trying to.
Posted by PillageUrVillage
Mordor
Member since Mar 2011
14715 posts
Posted on 7/30/21 at 5:25 am to
quote:

If the Bermuda is dormant atrazine won’t do shite to it.


Yes, that is what I had read. You have to spray it when it’s actively growing. I plan on saving the atrazine during the early spring and waiting until green up. A couple of applications about a month apart should do it. I’ll try to find the paper once I get to work and post it.

ETA: Dammit, I can’t seem to find it. In my flurry of google searching the other day I can’t remember exactly where I read it. The one paper I was trying to find was from some university IIRC. It said to spray atrazine during green up, 2 applications either a couple week to a month apart. Then it said it would take a couple of years of doing that to get it under control. Info seems to be mixed when I search the topic, though. Some say atrazine will kill it with timely applications, some say you can only hope to suppress it, some say it won’t do anything. I guess we shall see.

ETA2: This isn't the same thing I read the other day, but the info is pretty similar.
This post was edited on 7/30/21 at 8:25 am
Posted by ronk
Member since Jan 2015
6159 posts
Posted on 7/30/21 at 8:58 am to
Correct. I spray certainty/atrazine in dormant Bermuda to kill poa. Once it greens up I pull the atrazine. I think you’ll only set it back but that might be all you need to have the st aug gain ground.
Posted by PillageUrVillage
Mordor
Member since Mar 2011
14715 posts
Posted on 7/30/21 at 9:01 am to
quote:

I think you’ll only set it back but that might be all you need to have the st aug gain ground.


If that's achievable, I'll take it.
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