Mare's Tail ?

[Drycreek]

Is that what this is ? I've noticed it doesn't respond too well to gly. This is a plot I will plant in the fall so what's my best bet to get rid of this ? I thought about mowing, waiting a couple weeks and then gly, but I'm open to suggestions. Thanks !

 

[Tap]

I don't have marestail so I'm not the best to comment, but I believe marestail has broader leaves.
I'm sure guys from VA will chime in...I saw loads of the stuff down there from the truck window.

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[Drycreek]

Well, I looked up marestail and that ain't it, but I still don't know what it is.


Edit : After diligent searching on the net, I'm thinking it's dog fennel. What kills it best and what pre-emergent would you use ?

 

[Native Hunter]

Not marestail.

I don't have dogfennel on my place, but I think that is your weed.

 

[cutman]

I thought it was dog fennel at first but not so sure after zooming in. If it is dog fennel, gly will kill it, but I would mow it first.

 

[144]

Yep looks like dog fennel. If you break the stalk, it’ll have a strong odor.


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[Drycreek]

Thanks !

 

[catscratch]

Not marestail but might be horsetail. Rumor is horsetail does not respond well to generous applications of lime (it's pH sensitive).

 

[bigbluetruck]

Looks like Horsetail to me, different than Marestail

 

[X-farmerdan]

It's dogfennel

 

[Drycreek]

It's dogfennel

That's what I'm gonna treat it as. Mowing next week, waiting a few days, and glying the hell out of it.

 

[massey]

Definitely dog fennel. At this time mowing might kill it without spraying. But that stuff will linger. Seeds galore

 

[Drycreek]

Definitely dog fennel. At this time mowing might kill it without spraying. But that stuff will linger. Seeds galore

And what about a pre-emergent ? Will me-too-lachlor keep it from re-emerging ? If so, when would be the best timing for zone 8 ? Thanks for your help.

 

[Cap'n]

You would need to spray Princep in the fall to keep it from germinating. I don't know about zone 8 but in 7A late Sept. or Oct would be best. As a pre-emergent.

 

[X-farmerdan]

Maybe I missed it, but don't we need to know what the crop will be before we can recommend a pre-emergent herbicide? And, I'm just shooting from the hip here, but princep in the fall isn't going to be there come spring, will it? I'm thinking half life is 60-days.

 

[Cap'n]

Princep would work in the fall because Dog Fennel is a winter annual that germinates in the fall, but your right he wouldn't be able to have a fall plot if he applied any kind of simazine or atrazine. He could do a spring plot because of the short 1/2 life of princep though. We used to do that to break the cycle of the DF or any other winter annual from dominating the plot with a fall pre, put in a spring plot which would serve as a cover crop and then the following fall not have this same problem. Princep (simazine) is @ $10/acre so that played a part in it for us.
But now I do only throw and mow and we did our first gly app last weekend.

 

[Mennoniteman]

Mowing that stuff is as effective as herbicide.

 

[Drycreek]

Maybe I missed it, but don't we need to know what the crop will be before we can recommend a pre-emergent herbicide? And, I'm just shooting from the hip here, but princep in the fall isn't going to be there come spring, will it? I'm thinking half life is 60-days.

This plot will be planted mid September in wheat or rye......probably both in a mix. I've never used a pre-emergent so I'm totally in the dark here.

Edit: Probably gonna be some AWP in there too.

 

[X-farmerdan]

I think I would skip the herbicides. Its almost an impossible situation from that angle. Its a biennial, perennial, that starts from seed or roots (maybe rhizomes?) in the ground. I was fascinated to see the stuff will germinate from seed anytime the soil temperature gets to 65-degrees, fall or spring - or winter in the deep south. So, if you going to use herbicides timing is a difficult proposition.
I've never had a problem with it. Like M-man said, just mow it and get your crop in a position to out-compete the dog fennel.

 

[Drycreek]

I think I would skip the herbicides. Its almost an impossible situation from that angle. Its a biennial, perennial, that starts from seed or roots (maybe rhizomes?) in the ground. I was fascinated to see the stuff will germinate from seed anytime the soil temperature gets to 65-degrees, fall or spring - or winter in the deep south. So, if you going to use herbicides timing is a difficult proposition.
I've never had a problem with it. Like M-man said, just mow it and get your crop in a position to out-compete the dog fennel.

Thanks ! This plot has been in use for three years and this is the first time I've had this crap in it. There's other stuff in it of course and I think I'll just mow it next week and burn it down the last week of August with gly.

Thanks guys !