Help me identify this weed please

fixt · Jun 29, 2018

Can anyone identify this pasture weed?
It has begun encroaching the edges of the pasture and some clumps have started out in the middle and around. Its about 3 ft tall out on the edges of the field
Crossbow didn't do much other than make it sickly looking.
I tried roundup though it rained shortly after and I don't think it was on there long enough.

My hand for a little scale

About a week after experimental crossbow treatment. Its just kind of sickly looking. The mares tail growing out the middle of it is dying.

Any recommended economical treatment for this stuff?
I appreciate the help, thank you.

coshoo · Jun 29, 2018

Crossbow isn't working because the weed is a grass, not a broadleaf. Roundup should work, but of course you'll kill everything it touches.

fixt · Jun 29, 2018

Thanks
That's what I thought after the crossbow treatment so I tried the roundup but I think it washed off. It was only there a couple hours then a pop up thunderstorm hit.

I don't mind brown spots if its going to kill the stuff.

Do you know what this stuff is called?
I have some select names for it, not really applicable.

Traditional Farmer · Jun 29, 2018

Tried turning the cows in? They eat it down,also makes pretty good hay goats love it in hay.

fixt · Jun 29, 2018

Well, it's not fenced and I don't have any cows. Though i have considered fencing it and installing a few goats. It's not a big area, about 3 acres or so thats been kinda let go and I'm trying to get it back in some kind of shape for grass.

I've got the multiflora gone and the mares tail is on the run. I'm just spot treating with a 4 gallon sprayer as stuff crops up and I see it trying to establish. I'm seriously considering buying a tractor sprayer for next spring maybe.

There's this stuff, whatever it is, coming in late.
And its gotta go.

fixt · Jun 29, 2018

I have looked and looked. I got a call in to the county agent, who couldn't positively identify it.
The only thing I found close was several different japanese grasses or some form of stiltgrass. And that's only a guess.
I'll try the recommended rate of glyphosphate and see what it does.

RedMF40 · Jun 29, 2018

I have plenty of it in different areas around my place. I just mow it. Fast, economical treatment.

riveroadrat · Jun 29, 2018

It looks like a variety of crabgrass, where it grows nothing else takes its place. It probably has a root system like crabgrass, reaches out just like its leaves and seeds. Nip it in the bud is the best way. If all your other grass frosts in the fall and that stays green you might be able to spray it with roundup within a few days after the frost. Birds and animals spread weed seed. You need a good preemergent put out before your soil temperature is good for weed seeds to germinate. Your ag agent should know whats best for you. I have hand dug dumpsters full of weeds before I learned the weeds way of life. Smutgrass is my mortal enemy besides one other. Nip it in the bud though, were guaranteed thorns and thistles. I seem to notice there are a lot more weeds around these days as it seems every thing is going everywhere.

daisyman · Jun 29, 2018

I sprayed my (cousin) neighbors yard in town with the recommended mix of Grazon. Was off and on dark cloudy all day, and I thought, what the heck, I'm going to do it. It poured down a half inch within 20 minutes to 1/2 hour after I got done and it's killing it like nothing doing. Wouldn't have believed it if I hadn't seen myself.

Irv :shock:

daisyman · Jun 29, 2018

I sprayed my (cousin) neighbors yard in town with the recommended mix of Grazon. Was off and on dark cloudy all day, and I thought, what the heck, I'm going to do it. It poured down a half inch within 20 minutes to 1/2 hour after I got done and it's killing it like nothing doing. Wouldn't have believed it if I hadn't seen myself.

Irv :shock:

gbs · Jun 29, 2018

from the looks of it in the photo it resembles broad leaf signal grass, though there are a couple of varieties that look similar until it forms seed heads, roundup will kill it but it will take a couple days to see the affects, it was on a farm when we started tending it 10 years ago and we have been able to control it in the crops but can not eradicate it

Hay hay hay · Jun 29, 2018

It is deer tongue grass. I could not find anyone locally to ID it. But, I finally found it in an internet site about
Virginia weeds/grasses. It mows with the rest of the hay, critters eat it, no side effects that I can see. Not sure how
you can eradicate it except to kill the field and start over, and maybe the seeds would bring it back.

fixt · Jun 30, 2018

Hay Hay Hay nailed it.

Deer tongue grass it is.
The agent called me back late yesterday evening.
Native to the US and is a spreader through rhizomes.
Can grow in low pH soil, as low as 3.8 and infertile soil. Wet areas and full sun and up to 4 ft high. Also droughty areas.
It sets seeds September through December and is controlled through mowing before seed set and by non selective herbicide.
Seeds are viable for 5 years with 2 seed crops per year. First crop is an open panicle and the 2nd crop is enclosed in the leaf sheath; that's the later heavy seed crop Sep thru Dec.
It is a very aggressive spreader.
Its not recommended as forage due to its low nutrient content.

I'll try the spot treat with roundup and mowing and see how that goes. We are having a lot of pop up thunderstorms so I just have to hit a window to spray.

My time is also being eaten up by differential case replacement on B1750 Kubota plus the fact its 15 miles away at my moms place. But I can always mow the larger strip of this stuff at the field edge.

Thanks to everyone for their help, maybe this will help someone else.

Help me identify this weed please

fixt

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coshoo

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fixt

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Traditional Farmer

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fixt

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fixt

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RedMF40

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riveroadrat

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daisyman

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gbs

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Hay hay hay

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fixt

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