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Killing Dallisgrass in Bermuda

16,587 Views | 38 Replies | Last: 4 yr ago by TMfrisco
Player To Be Named Later
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Yes, I know, kill it with fire. But is there anything that you would recommend for getting rid of Dallisgrass? We built on what was formerly just pasture and slowly am getting things so that the natural bermuda is taking over and spreading. Right now it seems the most invasive thing we are dealing with is Dallisgrass.

Neil Speary said that we no longer have MSMA, but I see it for sale online. Any other suggestions? And is this a good or bad time of year to even mess with it?

Also, other than keeping the yard length short with frequent mowing, any other suggestions for allowing the bermuda to gradually take over the yard?
El_duderino
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I went nuclear and sprayed glyphosate about a month or two ago and am just pushing the Bermuda to spread into the bare spots. You can spray glyphosate when the Bermuda goes dormant in the winter which is recommended I believe
Player To Be Named Later
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El_duderino said:

I went nuclear and sprayed glyphosate about a month or two ago and am just pushing the Bermuda to spread into the bare spots. You can spray glyphosate when the Bermuda goes dormant in the winter which is recommended I believe
I saw a method where someone suggested cutting the bottom of a milk jug and placing it over the Dallisgrass and spraying. Yeah, you'll kill some bermuda, but eventually it should just spread right back in to those areas with the dallisgrass gone correct?

Our front yard is probably close to 1/2 acre, so really not excited about spot treating every single clump, but I will if I have to. Be nice to have a decent looking front yard, even if it is just reclaimed wild pasture.
schmellba99
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Buy MSMA online, broadcast spray
Player To Be Named Later
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Any specific time of year best?
Dogdoc
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Celsius tank mixed with revolver will knock it back. I think they recommend mso as the sufactant. Needs multiple treatments. It damages turf less than msma but is expensive.
skelso
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We have Dallisgrass and a ton of Bahia in our yard. Neighbor, who's yard is in much better shape, swears by msma. He said the Dallisgrass usually takes 2 rounds to kill it. I just sprayed our yard Thursday, its already starting to brown slightly.
El_duderino
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I had too much to spot spray or brush and didn't want it to keep spreading so I just got my backpack sprayer and went to town. The first area is filling in nicely already
Player To Be Named Later
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Sounds like MSMA and a backpack sprayer is the way to go.
schmellba99
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Player To Be Named Later said:

Any specific time of year best?


I dont think so,for something like this. Look up,Randy Lemmon and see what he says though, i am nowhere in the same universe as even halfway knowledgeable on this.
AW 1880
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I've struggled with dallisgrass for the past several years. Earlier this summer, I bought enough MSMA to last me for about 30 years. It worked great. If you're in the Dallas area I will give you some. Whatever you do, make sure you follow the instructions on the label.

Regarding time of year, you want to use it on a day that will not get hotter than 90F.
Player To Be Named Later
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AW 1880 said:

I've struggled with dallisgrass for the past several years. Earlier this summer, I bought enough MSMA to last me for about 30 years. It worked great. If you're in the Dallas area I will give you some. Whatever you do, make sure you follow the instructions on the label.

Regarding time of year, you want to use it on a day that will not get hotter than 90F.
I'm in Denton County..... So not too far. Good to know there's hope! It's obviously a battle, trying to reclaim what was just native pasture. I've refused to just go scorched earth and sod it. I'm not spending that kind of money. I don't care if I have a golf course quality lawn, but be nice to have something that resembles a green front yard.
beatlesphan
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Tagging on to this- has anybody successfully used MSMA to get rid of St Aug in their yard in favor of bermudagrass? My yard is about 60-40 St Aug-bermuda and I would much rather have bermudagrass. Wondering if I can kill some St Aug bit by bit and let the bermudagrass take over...
Picard
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I made the kids pull it up as punishment when they got in trouble.

Needless to say it's all gone now.

ratfacemcdougal
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What is wrong with you people....all of these helpful responses.

First thing to know is....How long have you been living in Bermuda ?
John1248
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beatlesphan said:

Tagging on to this- has anybody successfully used MSMA to get rid of St Aug in their yard in favor of bermudagrass? My yard is about 60-40 St Aug-bermuda and I would much rather have bermudagrass. Wondering if I can kill some St Aug bit by bit and let the bermudagrass take over...


Drive xlr8 will smoke st. Augustine and crabgrass.
John1248
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Msma will get dallis grass but it needs to be used as per the label. Best thing to do is prevent it from coming up. I alternate between barricade and dimension pre emergents and have been pretty successful at keeping it from coming back.
TMfrisco
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Dallisgrass needs 3 apps of MSMA 7 days apart, 1oz/1000 sq ft. Or, glyphosate - I would recommend a late fall app (spot spray) as or after the bermuda goes dormant.

Anything else is pretty much a waste of time. Don't skip the 3rd app of MSMA.
Weeds like dallisgrass are easier to kill going into the fall then after they green-up in the spring.
cevans_40
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beatlesphan said:

Tagging on to this- has anybody successfully used MSMA to get rid of St Aug in their yard in favor of bermudagrass? My yard is about 60-40 St Aug-bermuda and I would much rather have bermudagrass. Wondering if I can kill some St Aug bit by bit and let the bermudagrass take over...

Msma and drive together will smoke st Augustine.

As for the dallisgrass, msma and certainty works great
El_duderino
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What will a blanket spray of Celsius/certainty do to the dallisgrass?
EFE
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Tribute if you're serious about it
Yesterday
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Nothing worked for me but I didn't try msma. I just started sectioning off the yard and pulling it out, making sure to get the root. Took me a week of pulling for 30 minutes when I got home from work.
Tex Aggie
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Spot spray with roundup or msma

When Bermuda is dormant, right at initial green up in spring, broadcast glyphosate
Heavy fertilize
jpb1999
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AW 1880 said:

I've struggled with dallisgrass for the past several years. Earlier this summer, I bought enough MSMA to last me for about 30 years. It worked great. If you're in the Dallas area I will give you some. Whatever you do, make sure you follow the instructions on the label.

Regarding time of year, you want to use it on a day that will not get hotter than 90F.
So I have a problem with KR blue stem instead in bermuda grass. We have been trying to pull it but it is a pain. Bought some MSMA but haven't used it yet as I got scared off by reading that the organic arsenic eventually converts to inorganic arsenic in the soil. My yard runs off into some ponds that has stocked fish in them... just didn't sound like a good idea? Anyone have thoughts on that concern?

Does it work on KR blue stem as well? How many times did you have to apply it and what concentration did you use? Did it discolor your bermuda?
jpb1999
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Tex Aggie said:

Spot spray with roundup or msma

When Bermuda is dormant, right at initial green up in spring, broadcast glyphosate
Heavy fertilize
I have never heard of a glyphosate heavy fertilizer (admittedly never looked for it). What type do you use and what month/week did you put it on yours?

So broadcast it out and it doesn't hurt the bermuda?
Funky Winkerbean
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schmellba99 said:

Player To Be Named Later said:

Any specific time of year best?


I dont think so,for something like this. Look up,Randy Lemmon and see what he says though, i am nowhere in the same universe as even halfway knowledgeable on this.
With MSMA, the hotter the better. You will get burn and it will get ugly, but the Bermuda will come back better than ever.
TMfrisco
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jpb1999 said:

Tex Aggie said:

Spot spray with roundup or msma

When Bermuda is dormant, right at initial green up in spring, broadcast glyphosate
Heavy fertilize
I have never heard of a glyphosate heavy fertilizer (admittedly never looked for it). What type do you use and what month/week did you put it on yours?

So broadcast it out and it doesn't hurt the bermuda?
I think he is saying to broadcast spray the glyphosate and then fertilize heavily to help the bermuda along.

I don't think you can broadcast glyphosate at a rate that will kill the dallisgrass without severely hurting the bermuda. I have seen dallisgrass sprayed with lighter rates of glyphosate look like it dies and then come back after a month or so.

I would reiterate you will get better kill from spraying dallisgrass in the fall than the spring.

Your 2 best options to kill dallisgrass are 3 apps of MSMA 7 days apart or glyphosate at a solution of 3-5% spot-sprayed on the plants in the fall before it goes fully dormant.
TMfrisco
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jpb1999 said:

AW 1880 said:

I've struggled with dallisgrass for the past several years. Earlier this summer, I bought enough MSMA to last me for about 30 years. It worked great. If you're in the Dallas area I will give you some. Whatever you do, make sure you follow the instructions on the label.

Regarding time of year, you want to use it on a day that will not get hotter than 90F.
So I have a problem with KR blue stem instead in bermuda grass. We have been trying to pull it but it is a pain. Bought some MSMA but haven't used it yet as I got scared off by reading that the organic arsenic eventually converts to inorganic arsenic in the soil. My yard runs off into some ponds that has stocked fish in them... just didn't sound like a good idea? Anyone have thoughts on that concern?

Does it work on KR blue stem as well? How many times did you have to apply it and what concentration did you use? Did it discolor your bermuda?
Don't think MSMA will do anything for KR. Might try Pastora.
Funky Winkerbean
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How many plants and how big of an area?
Player To Be Named Later
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About half an acre......and a lot
Gric
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Pastora will not kill KR. Will knock it back and think you have a kill but will be back next yr. Best to fertilize and mow regularly so that your turfgrass can become established and out compete the KR
Funky Winkerbean
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Player To Be Named Later said:

About half an acre......and a lot
3 apps of MSMA 14 days apart. 21-0-0 between 2nd and 3rd app.
Player To Be Named Later
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Definitely going to hit hit with that. Sounds like should wait until we are out of the worst of summer heat?
Funky Winkerbean
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Player To Be Named Later said:

Definitely going to hit hit with that. Sounds like should wait until we are out of the worst of summer heat?
The hotter the better with MSMA. The yard may turn yellow, but it will come back, probably better than ever.
Player To Be Named Later
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Just so I'm positive.... This IS dallisgrass,?

And then I also have this clover looking crap I need to get rid of. Every fall/early winter it really flowers out.

And yes, I'm aware I need to dethatch this yard. Have my work cut out, but it has improved over time.


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