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Started By
Message
re: Grass Identification - Paging Craw
Posted on 11/2/23 at 7:44 pm to Ziggy
Posted on 11/2/23 at 7:44 pm to Ziggy
I’ve looked at these photos several times over several days. It’s sometimes hard to identify a “type of grass” simply from a top down visual because there are lots of grasses that can start to look similar in close proximity to one another. Without seeing an individual plant and looking at the leaf structure and ligules and auricles and all the parts used to ID one grass from another, I did happen to notice in one of the photos that there are some seed heads. Looked like some Bermuda grass seed heads and also some Zoysia grass seed heads.
We have some areas of Zoysia grass mixed in with Bermuda grass on the golf courses I work on. Next to Bermuda, depending on the variety, Zoysia can have a light/bright green color.
I would say that, based on what I observe in your pictures…between the seed heads and the “steeple” shaped leaf tips, that you may have a patch of zoysia in your Bermuda grass. Also, looks like there may be a bit of gray leaf spot working on it as well.
We have some areas of Zoysia grass mixed in with Bermuda grass on the golf courses I work on. Next to Bermuda, depending on the variety, Zoysia can have a light/bright green color.
I would say that, based on what I observe in your pictures…between the seed heads and the “steeple” shaped leaf tips, that you may have a patch of zoysia in your Bermuda grass. Also, looks like there may be a bit of gray leaf spot working on it as well.
1
Posted on 11/3/23 at 6:42 am to ronk
Well, it’s not southern water grass either.
Posted on 11/3/23 at 9:04 am to ronk
quote:
It probably is.
LINK
That certainly does look like it...
Posted on 11/3/23 at 2:47 pm to Ziggy
Definitely southern water grass. I had it in my backyard and it’s hard to get rid of. Required multiple spraying with glyphosate to eventually kill all off.
Posted on 11/3/23 at 2:49 pm to Woodsmaster
quote:
Definitely southern water grass. I had it in my backyard and it’s hard to get rid of. Required multiple spraying with glyphosate to eventually kill all off.
Thanks for the response. Do you know how or why you had it, i.e. was it drainage / wet spot related or?
Should I roundup now or will it die off with the cold weather?
Trying to decide when I should go ahead and nuke it... I'd like my Bermuda to takeover these areas anyway.
Posted on 11/3/23 at 3:41 pm to Ziggy
(no message)
This post was edited on 11/3/23 at 3:43 pm
Posted on 11/3/23 at 3:42 pm to Ziggy
You have to nuke it. Next spring if you have common just let that take over. If you have a hybrid sod that hybrid.
Before doing that bring in mason sand to raise the area.
Before doing that bring in mason sand to raise the area.
Posted on 11/3/23 at 3:59 pm to ronk
I’m not trying to ruffle feathers, but if this describes what’s in your lawn, then by all means, waste your time, money and effort in treating it. Otherwise, pick a sample (preferably with roots, stolons/rhizomes, a seed head if one is available), put it in a ziploc with a wet paper towel and take it to your local extension agent. Identifying a weed from a few grainy pictures is not a responsible thing to do.
What is Southern Watergrass? (Luziola fluitans)
Physical Characteristics
Mostly submerged
Leaves:
Floating near surface or usually emerging less than an inch above the water
0.78-2.5 inches long
0.08-0.2 inches wide
Flowers:
Loose branching
Grow in clusters
0.2-0.78 inches long
Few-flowered
Spikelets have one flower each
Stem:
Hollow Stem
1-3.25 feet long
About 0.02 inches thick
Somewhat branching
Roots:
Rooted at most nodes
Bottom-rooted
Where Does it Grow?
Southern watergrass can be found in ponds, lakes, and slow-flowing streams.
What is Southern Watergrass? (Luziola fluitans)
Physical Characteristics
Mostly submerged
Leaves:
Floating near surface or usually emerging less than an inch above the water
0.78-2.5 inches long
0.08-0.2 inches wide
Flowers:
Loose branching
Grow in clusters
0.2-0.78 inches long
Few-flowered
Spikelets have one flower each
Stem:
Hollow Stem
1-3.25 feet long
About 0.02 inches thick
Somewhat branching
Roots:
Rooted at most nodes
Bottom-rooted
Where Does it Grow?
Southern watergrass can be found in ponds, lakes, and slow-flowing streams.
Posted on 11/3/23 at 4:19 pm to tigermaniac
It isn't in my lawn. Why when a few posters say it is watergrass it is irresponsible but when you said it was zoysia that was ok?
Anyway, here is a link with Dr Ron id'ing the same thing in someone elses yard.
Watergrass
Anyway, here is a link with Dr Ron id'ing the same thing in someone elses yard.
Watergrass
This post was edited on 11/3/23 at 4:23 pm
Posted on 11/3/23 at 5:10 pm to ronk
quote:
You have to nuke it. Next spring if you have common just let that take over. If you have a hybrid sod that hybrid.
Before doing that bring in mason sand to raise the area.
So nuke now (sounds like it will require several rounds of roundup) and let common Bermuda (what I have in my backyard - have Tifway in my front) takeover? I still may bring in some mason sand, but I assume that can wait until spring?
Posted on 11/3/23 at 5:11 pm to ronk
quote:
Anyway, here is a link with Dr Ron id'ing the same thing in someone elses yard.
Watergrass
That's exactly what I have.
Thanks for your and everyone else's help with this! Now to get to nuking!
Posted on 11/3/23 at 5:39 pm to Ziggy
Yes, glyphosate now. Leveling in the spring is fine. Glyphosate binds tightly to the soil so I would keep that area clean throughout the winter. It isn't going to effect bermuda filling in in the spring.
Posted on 11/3/23 at 7:02 pm to ronk
quote:
Yes, glyphosate now. Leveling in the spring is fine. Glyphosate binds tightly to the soil so I would keep that area clean throughout the winter. It isn't going to effect bermuda filling in in the spring.
Thank you sir! Much appreciated.
Posted on 11/4/23 at 6:07 am to Ziggy
Ours was in our backyard in a low area but it spread rapidly. Had to spray it several times to kill it. Spray it and in a month you can see what was not killed growing back. There were a number of people in Baton Rouge that ended up with this. No idea how it ended up in our yards. It can be addressed but takes effort.
I resodded with St. Aug and that has done well.
I resodded with St. Aug and that has done well.
This post was edited on 11/4/23 at 6:09 am
Posted on 11/4/23 at 6:47 am to Woodsmaster
quote:
Ours was in our backyard in a low area but it spread rapidly. Had to spray it several times to kill it. Spray it and in a month you can see what was not killed growing back. There were a number of people in Baton Rouge that ended up with this. No idea how it ended up in our yards. It can be addressed but takes effort.
I resodded with St. Aug and that has done well.
Gotcha. Thanks for the reply!
No idea how I wound up with it either to be honest. I haven't seen it show up in any other yards around me.
Have you seen it resurface at all since spraying and re-sodding or no?
I plan on spraying roundup on it today and applying several times until spring if needed.
Posted on 11/4/23 at 10:04 am to ronk
quote:
but when you said it was zoysia that was ok?
I didn’t say it was…I said “you MAY have a patch of zoysia.”
As a turf manager, when somebody shows me a picture of a weed or pest problem, I will suggest that it “may” be one thing or another, with the caveat that, until I actually visit the site or have an actual sample in hand, I don’t make any kind of positive ID or any further recommendations, regardless of what another picture/poster/person has stated. And if I can’t visit the site or have a sample in hand, then I suggest exactly what I stated in my previous post, take an actual sample to an agent so they can look at the plant’s physiology to correctly identify it. Pictures don’t always show the truth.
That’s the responsibility I speak of. That’s how I choose to operate. But you do you.
Best of luck in controlling your aquatic southern watergrass
Posted on 11/4/23 at 5:51 pm to tigermaniac
You still mad it’s southern watergrass. If I don’t know something I usually don’t enter the thread. I rarely play the guessing game. If I’m relatively sure I’ll ask craw. I don’t think there has ever been a time where craw and I have agreed and then been wrong. Not that it can’t happen.
No worries, I will keep doing me.
Edit-it’s gameday vs Bama. I’m not normally this edgy. I’m taking the OT persona to the HG board.
No worries, I will keep doing me.
Edit-it’s gameday vs Bama. I’m not normally this edgy. I’m taking the OT persona to the HG board.
This post was edited on 11/4/23 at 6:31 pm
Posted on 11/5/23 at 5:47 am to ronk
There has been one area where it came through that we had to retreat but only about a 12-15 inch area that was easily addressed with glyphosate.
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