Verified FBN Member (PA)

Agronomy

Has anyone found a way to rid a hay field of milkweed and dogbane?

This year a neighbor gave 26 acres to me to take hay off. All I had to do is add inputs as needed. In the past these fields were cut for mulch hay and the weeds would just add bulk for them. I knew I wouldn't take hay this year but I have been mowing it before the weeds go to seed.. The milkweed and dogbane are scattered in some areas while others are large sections. I haven't found any herbicide that actually works. Any ideas?

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Verified FBN Member (OH)

Add a non-Ionic surfactant with your group 4 herbicide of choice and you will curl them. It is also beneficial to spray before the weeds rea...

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Verified FBN Member (PA)

When I used crossbow the instructions mentioned not to use surfactant. I will try others and add it. Thanks


Verified FBN Member (OH)

My brother in law tried remedy herbicide. He felt like he got the emerged plants with one application put had new plants on the fringes of t...

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Verified FBN Member (PA)

Thanks. I can't sell this hay like it is so what ever I have to do.


Verified FBN Member (PA)

I haven't heard that before. I already added enough liquid calcium to raise the ph from 5.5 to 7.0. Hopefully that will help next spring.

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Verified FBN Member (MN)

I looked in my when weeds talk book and it seems if you address available calcium it would help with the milkweed. You could try adding 100l...

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Verified FBN Member (MN)

Pretty sure I got the book from the Acres USA website

Verified FBN Member

Got a picture of the front cover of that book?


Verified FBN Member (PA)

(edited)

Thanks. I'll look into these. I sprayer crossbow two weeks ago and looking at it yesterday the leaves looked like they took a beating but ...

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Verified FBN Member (PA)

2-4D with Banvel. will take couple 3 years on the Dogbane. .plus I started a couple years ago using 1-2 quart of ProwelH2O in early spring w...

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Verified FBN Member (PA)

I used the highest amount recommended for hay/pasture. Maybe after a couple of applications in the spring and fall it mightwork better. T...

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Verified FBN Member (NC)

Higher rate maybe? We had E3 beans this year and absolutely nothing survived even the lower rate of enlist which is just safer 24D


Verified FBN Member (PA)

It doesn't do much except brown the edges of the leaves.

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Verified FBN Member (NC)

Don't know much about hay but won't 24-D work?

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