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Johnson grass in a pasture of Bahia

Posted on 5/14/25 at 3:20 pm
Posted by Mr Roboto
Seattle, WA
Member since Jan 2023
4693 posts
Posted on 5/14/25 at 3:20 pm
Any suggestions on getting rid of the johnson grass without hurting bahia?
Posted by gumbo2176
Member since May 2018
18118 posts
Posted on 5/14/25 at 4:55 pm to
Man, I hate Johnson grass. That crap can easily cut you up with tiny razor type cuts if you brush against the foliage the wrong way.

Posted by Spankum
Miss-sippi
Member since Jan 2007
58631 posts
Posted on 5/14/25 at 6:03 pm to
I have major problems with Johnson grass in my area and have never had a problem with it in the actual pasture. I guess I just keep it mowed frequently enough to prevent it.
Posted by Mr Roboto
Seattle, WA
Member since Jan 2023
4693 posts
Posted on 5/14/25 at 6:04 pm to
Would love to keep it cut but the cows have to eat too

Looking for an herbicide that will kill the johnson grass without affecting the bahia. Could always spot treat but it will come back in other areas
This post was edited on 5/14/25 at 6:06 pm
Posted by bayoubengals88
LA
Member since Sep 2007
21360 posts
Posted on 5/14/25 at 6:56 pm to
Sounds like you would be willing to spend the money…

Outrider

Check the label for cattle safety
This post was edited on 5/14/25 at 7:02 pm
Posted by Mr Roboto
Seattle, WA
Member since Jan 2023
4693 posts
Posted on 5/14/25 at 7:03 pm to
Yes that is what I'm looking for. Thanks!
Posted by White Bear
Yonnygo
Member since Jul 2014
16396 posts
Posted on 5/14/25 at 8:45 pm to
Maybe select herbicide or fusillade? We used to spot spray rhizome Johnson grass with select and crop oil in cotton and soybeans. It would top kill it. Rhizome Johnson grass is tough to get rid of or used to be. It would kill seedling jg though.

Reason I suggest these is I do not see Bahia on the label of either, but
This post was edited on 5/14/25 at 9:22 pm
Posted by bovine1
Walnut Ridge,AR via Tallulah,LA
Member since Dec 2004
1340 posts
Posted on 5/15/25 at 6:50 am to
I would try roundup or other herbicide of your choice in a wick bar. Its what we used to do before roundup ready soybeans.
Posted by ronk
Member since Jan 2015
6976 posts
Posted on 5/15/25 at 7:21 am to
Are you dealing with a lot of johnson grass? If it is a big pasture I'd just use glyphosate or weedeat it to the ground.
Posted by bbvdd
Memphis, TN
Member since Jun 2009
27066 posts
Posted on 5/15/25 at 10:10 am to
quote:

Are you dealing with a lot of johnson grass?


I pulled up some of it by the root in a field of mine y-day. There is more that needs to be pulled up but it typically comes up by the roots, the ground here is damp, FYI.
Posted by Spankum
Miss-sippi
Member since Jan 2007
58631 posts
Posted on 5/15/25 at 11:06 am to
quote:

I would try roundup or other herbicide of your choice in a wick bar. Its what we used to do before roundup ready soybeans


Man, you must be as old as me! Haven’t thought about one of those rigs in years!
Posted by gumbo1964
Caledonia, Miss
Member since Jan 2012
427 posts
Posted on 5/15/25 at 1:28 pm to
Spent my Summers walking fields with a paint roller mounted on a piece of PVC and a jug of roundup, wiping the Johnson grass. Also built the wick bars.
Posted by bovine1
Walnut Ridge,AR via Tallulah,LA
Member since Dec 2004
1340 posts
Posted on 5/15/25 at 5:27 pm to
Yep I'm old. We mounted a wick bar on the front of our JD 600-A Hi-Boy and I covered many an acre. That was the most uncomfortable machine to drive we had. They still sell wick bars I looked this morning.
Posted by Spankum
Miss-sippi
Member since Jan 2007
58631 posts
Posted on 5/15/25 at 6:29 pm to
quote:

They still sell wick bars I looked this morning.


I remember the first generation of that. We mounted 1” X 4” lumber on the hi-boy. We tacked a bunch of kitchen sponges to it and soaked the sponges with a garden sprayer filled with roundup on the turnrows! Eventually, roundup came up with the pipe wick kit.

And as said, I agree that the hi-boy is the most uncomfortable (and dangerous) piece of equipment ever invented.

That’s a walk down memory lane!
Posted by White Bear
Yonnygo
Member since Jul 2014
16396 posts
Posted on 5/15/25 at 9:51 pm to
quote:

Yep I'm old. We mounted a wick bar on the front of our JD 600-A Hi-Boy and I covered many an acre.
did you have to wipe the grass from both directions?
Posted by lgtiger
LA
Member since May 2005
1347 posts
Posted on 5/16/25 at 10:14 pm to
We use to just go in one direction
Posted by lgtiger
LA
Member since May 2005
1347 posts
Posted on 5/16/25 at 10:19 pm to
quote:

Would love to keep it cut but the cows have to eat too


We only had problems in the hay field, seems to never have been in pasture. At certain growth stages it can be toxic to cows ( prussic acid ), mainly when the Johnson grass is stressed ( drought, frost, etc)
Posted by Out da box
Member since Feb 2018
608 posts
Posted on 5/18/25 at 5:49 pm to
Keep cutting it. Don’t let it seed…it’ll go away eventually
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