Killing horsetails

Mike (WA) · Mar 30, 2013

Will Milestone kill horsetails? Have been using Roundup in past years, but it's not doing the job.

Anonymous-0 · Mar 30, 2013

Add some 2, 4-D to the RU, no need to go to the higher $ chemicals, when old faithful will do the job cheaper.

Mike (WA) · Mar 30, 2013

I already have the Milestone, and it will just be spot spraying in the flower beds, etc. I might try Milestone on some, and 2,4D Roundup mix on others.

JD Seller · Mar 30, 2013

I assume you are talking about mare's tail weed. They are getting to be a problem where no-till is continuously. Just a little tillage breaks the cycle. The area's that have gone to heavy no-till Roundup ready soybeans have resistant mare's tail. Roundup will not kill them anymore.

My relatives in southern Ohio have to spray a residual spray in late fall to control them. There are few chemicals that you can use in the standing crop other than RR and it is not working.

In some areas the high usage of Roundup only has given raise to resistant weeds. Many there have used RR only and tried lower and lower rates to save money. I have a friend that was bragging a few years ago he was using a 1/4 rate of RR and getting good results. He now has RR resistant Lambs quarter. He is paying big money now to try and control it.

nickg · Mar 30, 2013

be careful what you mix with roundup. There are some chemical chemistries that do not work well with roundup and actually make it less affective. 2-4D mixed only works as a very very early burndown around here. Problem with resistant weeds is not getting them killed graveyard dead to begin with. You want a slow kill with good root penetration or you start getting resistant weeds because you thought you killed them and really only stunned them. So to answer your real question if you catch your mairestail as it spikes out of the ground then you mite have a chance with the milestone. but if your milestone only stunes it you get an even more resistant weed. If your maires tails get more than 3" better off getting out your disk and just working them in because theres not anything that kills them graveyard dead after they get that big. You mite think its dead but its not. Almost everyone I know spraying isnot spraying stratigh round-up anymore especially if they use RR beans and RR corn you have to mix chemicals to kill the volunteer corn.

OliverGuy · Mar 30, 2013

He might mean the shiny green stem weed with no leaves, I call it horsetail too. Grows in clumps.

Bob Bancroft · Mar 30, 2013

Do you mean horsetail fern? Little tiny christmas tree shaped thing? That looks like it should grow in the tropics.
I have it in spots. A general broadleaf killer has worked well for me- 24D, banvel, etc. I'm usually using liq. N as a carrier, so I'm sure that helps.

Killing horsetails

Mike (WA)

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Anonymous-0

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Mike (WA)

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JD Seller

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nickg

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OliverGuy

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Bob Bancroft

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