DNR: New invasive plant with toxic sap in Wisconsin

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Dewey
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DNR: New invasive plant with toxic sap in Wisconsin

Postby Dewey » Thu Jul 07, 2016 5:42 pm

MILWAUKEE (AP) -- State officials have confirmed a new giant invasive plant with toxic sap that can burn human skin has turned up in southeastern Wisconsin.

The Milwaukee Journal Sentinel reports the Department of Natural Resources confirmed hundreds of giant hogweed plants were present in Sheboygan in June.

The plant can grow to as high as 20 feet and sprout 3-foot leaves. Its sap contains glucosides that react with the sun's ultraviolet rays and can severely burn the skin, cause blisters or cause temporary blindness. The plant was first recorded in Wisconsin in 2004.

A crew from Brodhead-based Applied Ecological Services surveyed the Sheboygan neighborhood where the plants were found and sprayed more than 800 plants with herbicide.




Here is more info on how to identify it.............


http://fox6now.com/2016/07/05/rapid-res ... t-hogweed/


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Re: DNR: New invasive plant with toxic sap in Wisconsin

Postby hunter_mike » Thu Jul 07, 2016 11:32 pm

Sounds like wild parsnip on roids

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Re: DNR: New invasive plant with toxic sap in Wisconsin

Postby wickedbruiser » Thu Jul 07, 2016 11:49 pm

Thanks for sharing, Dewey. I have come across hogweed here out east and had no idea the danger. Thank God I didn't mess around with it.

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Re: DNR: New invasive plant with toxic sap in Wisconsin

Postby stash59 » Fri Jul 08, 2016 1:28 am

:shock: :doh:
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Re: DNR: New invasive plant with toxic sap in Wisconsin

Postby Hawthorne » Fri Jul 08, 2016 1:49 am

Looks like a giant version of queen Ann's lace. Thanks for the heads up

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Re: DNR: New invasive plant with toxic sap in Wisconsin

Postby vermonthunter16 » Wed Jul 13, 2016 8:38 am

We have problems here popping up as well. There are interns that are attempting to eradicate them. I had an opportunity for summer employment to assist with those projects, I couldn't be bothered to mess with that stuff though! Nasty.
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Re: DNR: New invasive plant with toxic sap in Wisconsin

Postby Bucky » Wed Jul 13, 2016 8:39 am

It is Wild Parsnip and it is everywhere

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Re: DNR: New invasive plant with toxic sap in Wisconsin

Postby Dewey » Wed Jul 13, 2016 8:45 am

Found some Giant Hogweed this weekend. Not hard to see because it grows rapidly and is over 10 feet tall already.

Yeah I agree Wild Parsnip also is everywhere. Wondering if it's worse in the summer for skin blistering because I have been walking thru the stuff for years in fall with no issues.

Maybe I am one of the few rare people not affected by stuff like this and Poison Ivy. :think:

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Re: DNR: New invasive plant with toxic sap in Wisconsin

Postby hunter_mike » Wed Jul 13, 2016 9:28 am

Dewey wrote:Found some Giant Hogweed this weekend. Not hard to see because it grows rapidly and is over 10 feet tall already.

Yeah I agree Wild Parsnip also is everywhere. Wondering if it's worse in the summer for skin blistering because I have been walking thru the stuff for years in fall with no issues.

Maybe I am one of the few rare people not affected by stuff like this and Poison Ivy. :think:

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Forgot to mention, I am pretty sure I saw some out in Minnesota last week when I was out there for work. Looked just like wild parnsip only it was 10 ft tall and had white flowers
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Re: DNR: New invasive plant with toxic sap in Wisconsin

Postby Bucky » Wed Jul 13, 2016 2:11 pm

Image

White flowers is hogweed.... yellow is parsnip. I'm seeing parsnip all over in ditches and now in fields... it takes one encounter and I guarantee you will never forget it. To my understanding it is not like poison ivy... all humans are susceptible

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Re: DNR: New invasive plant with toxic sap in Wisconsin

Postby Hawthorne » Wed Jul 13, 2016 2:18 pm

I pulled a bunch of weeds that look like wild parsnip it grows in my food plots and fallow fields. I was told it was yellow rocket may be different no rash. I use to get poison ivy bad when I was younger. I think I devolped an immunity because I know I've come in contact with it many times the last few years hanging stands and got nothing

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Re: DNR: New invasive plant with toxic sap in Wisconsin

Postby Bucky » Wed Jul 13, 2016 2:22 pm

Yellow rocket is tough to kill with chemical in food plots... I currently have a headache with it. I'm thinking it is weed seed commonly mixed in with turnip seeds

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Re: DNR: New invasive plant with toxic sap in Wisconsin

Postby hunter_mike » Wed Jul 13, 2016 2:39 pm

Good photo bucky, i think i am seeing a lot of the cow parsnip in the ditches here too.

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Re: DNR: New invasive plant with toxic sap in Wisconsin

Postby Singing Bridge » Wed Jul 13, 2016 2:39 pm

A friend of mine is a phd. toxicologist at Michigan State University. He has been summoned on a number of occasions to remove giant hogweed. He wears level 3 hazmat gear to get rid of it.

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Re: DNR: New invasive plant with toxic sap in Wisconsin

Postby Hawthorne » Wed Jul 13, 2016 2:42 pm

Bucky wrote:Yellow rocket is tough to kill with chemical in food plots... I currently have a headache with it. I'm thinking it is weed seed commonly mixed in with turnip seeds

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That makes sense. Seems like I only see it in areas that were crops last year. Once in awhile some farmers in my area won't plant crops one year for some reason. That's where I only see yellow rocket

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