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Author Topic: Mimosa invasion: HELP!  (Read 6405 times)

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Offline ljmathias

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Mimosa invasion: HELP!
« on: August 27, 2010, 04:54:28 AM »
Hey, all, maybe someone out there has dealt with this before.  We had a few Mimosa on the land (silk tree I think is another name, scientific name is Albizia julibrissin) and didn't have too much trouble with them.  Oh, sure, they were beginning to sprout up next to my drying stacks and around the SYP's but didn't think too much about it till yesterday.  Was out of town for a week, so I cranked up the bushhog tractor to get caught up and I was cutting noticed a hugely disturbing fact: blanket coverage of some of my lowlands with what appears to be Mimosa seedlings- and I do mean blanket coverage.  No room for the grass that used to be there, and this happening in a matter of days.  What the heck is going on?  It's like something from a science fiction movie or one of the end-of-world movies coming out lately- invasive species takes over forest- everyone dies!

From what I can find online, it looks like a lot of hard, repetitive work.  Surest treatment is to pull the seedlings up by the roots.  Great: got acres of seedlings and my back isn't what it used to be.  Other treatments include killing the seed trees/bushes before the spread seeds everywhere and using Garlon and/or Roundup on leaves.  Garlon might be more selective, from what I read; Roundup will kill just about everything, I think, including any grasses that might be hiding under the low canopy (inches high) of Mimosa leaves.  This stuff is horrible!  Anybody have any suggestions?

Thanks, all, and if you don't hear from me again, look for my body tangled up under a heap of explosively growing Mimosa near the creek- if nothing else, I should be pretty good fertilizer...  >:( >:(

Lj
LT40, Long tractor with FEL and backhoe, lots of TF tools, beautiful wife of 50 years plus 4 kids, 5 grandsons AND TWO GRANDDAUGHTERS all healthy plus too many ideas and plans and not enough time and energy

Offline RynSmith

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Re: Mimosa invasion: HELP!
« Reply #1 on: August 27, 2010, 11:46:08 AM »
Are you sure it's not some type of vetch?  Just checking  :P

Offline Tom

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Re: Mimosa invasion: HELP!
« Reply #2 on: August 27, 2010, 12:54:40 PM »
You have discovered the plight of having invasives take over .    Mimosa is one of those here in Florida that has caused great consternation.  The only way I  know of getting rid of the things is pulling them up by the roots.  Mowing frequently will eventually kill them to, but it takes quite an effort. 

The problem with those kinds of trees is the blossoms.  Women see them and just have to have one of the trees.  All you need is one and the fool things will take over the world.  We've still got folks around here planting Chinese Tallow because they think it makes a pretty shade tree.  I'll bet there are still folks who plant Kudzu.

extinct

Offline sandhills

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Re: Mimosa invasion: HELP!
« Reply #3 on: August 27, 2010, 02:32:42 PM »
We use round up in our farming quite a bit here and IMO I think you'd be alright using it on these conditions, 1 the canopy of the seedlings is over top the grass and 2 the type of grass.  We've hit broam around feild edges and other types as well, as long as it is fairly hardy and been there along time the round up only knocks it back a bit.  Round up is a contact herbicide and has no residual effect.  Along the same lines as your story I have a little 30 acre patch I planted beans in this year and there is a strip through them that came up solid of chinese elm trees.  This is tilled ground so not too worried about them just couldn't beleive how thick they were.  Oh and the roundup didn't get em :(

Offline Autocar

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Re: Mimosa invasion: HELP!
« Reply #4 on: August 27, 2010, 04:39:37 PM »
Can someone post a picture of this stuff ? Is it a tree or shub ? Here in Ohio we have a weed I believe it is called wild garlic,and it is taking over in the woodlots around here. They say in time we will lose our wild flowers because it will shade them out. It grows about waist high.
Bill

Offline RynSmith

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Re: Mimosa invasion: HELP!
« Reply #5 on: August 27, 2010, 05:51:38 PM »
It's a tree: http://plants.usda.gov/java/profile?symbol=ALJU

I wonder if you're talking about garlic mustard, it was really bad in southern Michigan when I was there...
http://plants.usda.gov/java/profile?symbol=ALPE4&photoID=alof3_002_avp.tif





Offline Autocar

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Re: Mimosa invasion: HELP!
« Reply #6 on: August 27, 2010, 06:38:04 PM »
Yep thats it Garlic Mustard it pulls real easy but this year it covers the whole woods here at home.
Bill

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Re: Mimosa invasion: HELP!
« Reply #7 on: August 27, 2010, 07:03:00 PM »
Lj, 2-4-D Amine should kill it OK.  It's relatively cheap and 2oz per gallon will do the trick.  It won't kill most grasses, but I would do a spot check if you are using it around your lawn.

If what you are seeing is what I have, I don't think that it is actually Mimosa (as in trees), but it certainly looks like it.  The above mentioned recipe will get it.

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Offline WDH

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Re: Mimosa invasion: HELP!
« Reply #8 on: August 27, 2010, 08:18:08 PM »
Fire will knock it back and control it if you can burn every two to three years.  The grass will thrive in the fire regime as well.  If you cannot establish a burning regime, Garlon will get it and not be too hard on the grass.  2-4 D is a good bit cheaper than Garlon.  However, Garlon will control the toughest braodleaved plants that other herbicides do not control very well like the waxy leaved stuff.  The 2-4 D will probably do the job just fine and save you some money.
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Offline ljmathias

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Re: Mimosa invasion: HELP!
« Reply #9 on: August 29, 2010, 06:41:47 AM »
Thanks for all the suggestions.  RynSmith posted two links, the first is to the mimosa that I have- starts out like a fairly innocuous grassy weed that rapidly (days to weeks) turns into small bushes that are almost impossible to kill off completely.  Been battling this stuff for years around the trees and drying stacks, but this year it just went wild- literally!  Got new sprouts everywhere and in dense coverage like nothing I've ever seen come on that fast- one minute grass, a week later all sprouts of mimosa.  Pulled up one huge plant that had already gone to seed- may have gotten most of the seeds, but the FEL had a heck of time getting out the roots.  One thing I read- this stuff spreads just as fast or faster by root systems as by seeds, so pulling up the entire root ball is the only way to kill it off quickly.  Got one more huge planting to take out- been next to our little pond for years and has reached heights of 20 feet or so with half a dozen arms out of the main trunk location.  My only hope now is aggressive cutting and spraying as this stuff just doesn't go away with cutting.  Nature- gotta love Her!

Lj
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Offline SwampDonkey

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Re: Mimosa invasion: HELP!
« Reply #10 on: August 29, 2010, 07:39:50 AM »
Well, pack your bags down there and move north. The cold of winter will kill anything of a nuisance. :D
Move'n on.

Offline Radar67

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Re: Mimosa invasion: HELP!
« Reply #11 on: August 29, 2010, 12:45:58 PM »
Lj,
  I would bushog it, then go back and spray the entire area with 2-4D. I've been having good luck getting rid of Chinese privet and many other woody plants with it. I mix 50/50 in a hand spray bottle for hack-n-squirt on the privet. I also add a sticking agent to the mix.
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Offline Stan snider

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Re: Mimosa invasion: HELP!
« Reply #12 on: August 29, 2010, 06:04:43 PM »
If I was going to spray it I think remedy would be my first choice of non restricted chemicals. Dont mow it first because the chemical needs leaf area to be absorbed. If possible I would graze it,turning a problem into a resource. It's a legume and would be very high protein, but many legumes can be posionous though I doubt it is. It never is found in pastures.  Find the seed source and eliminate it. There is probably a lot of hard seed that will germ over the next few years. It's all fun if you look at it right! Stan

Offline Radar67

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Re: Mimosa invasion: HELP!
« Reply #13 on: August 29, 2010, 06:26:38 PM »
2-4D does not need leaf area to work. It can be absorbed through the cambium layer of any woody plant. Hack-n-squirt is chopping a a hole in the trunk and squirting the chemical in that hole. You can also chop the problem tree/plant down and paint the stump to prevent root sprouting. Just FYI for you. ;)
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This will kill you, that will kill you, heck...life will kill you, but you got to live it!

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Offline SwampDonkey

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Re: Mimosa invasion: HELP!
« Reply #14 on: August 29, 2010, 06:45:29 PM »
I know Radar knows this, but for others doing the "cut and paint", it has to be a fairly fresh cut. Don't go back a week later painting stumps. ;)
Move'n on.

Offline WDH

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Re: Mimosa invasion: HELP!
« Reply #15 on: August 29, 2010, 07:54:13 PM »
I believe that Remedy is the generic version of Garlon.
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Re: Mimosa invasion: HELP!
« Reply #16 on: August 29, 2010, 09:02:41 PM »
Remedy (triclopyr ester). Remedy is labeled for use as a foliar spray, basal bark treatment, thinline spray, and stump spray. Herbicide is also sold under the trade name Garlon 4.
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Offline Stan snider

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Re: Mimosa invasion: HELP!
« Reply #17 on: August 29, 2010, 10:43:29 PM »
Radar, I wasnt taking a shot at you, but was thinking if it was me doing it, I would prefer the fastest, easiest way possible. My sprayer is 52 feet and my paintbrish is four inches.   Stan

Offline Radar67

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Re: Mimosa invasion: HELP!
« Reply #18 on: August 29, 2010, 11:14:09 PM »
I didn't take it as you taking a shot at me Stan, just want to make sure everyone knew the use. My thought was that after bushhogging, you have the cambium layer exposed, so why not spray heavy, as the quick solution.
"A man's time is the most valuable gift he can give another." TOM

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This will kill you, that will kill you, heck...life will kill you, but you got to live it!

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Offline Randy88

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Re: Mimosa invasion: HELP!
« Reply #19 on: August 30, 2010, 12:41:08 AM »
Anyone know anything about Japanese Millit, not sure of the spelling, but I dug some out for a guy not far from me around his pond and he claims roundup only pisses it off and no other broadleaf killer even touches it, I'd never seen it before and he claims birds brought it in when they landed on the pond and nobody seems to know how to kill the stuff, it gets about 10ft tall and kills everything including trees its around, I was concerned because its not far from me and he claims it spreads overnight and takes over in weeks and in a month its too late its got everything killed off?    Don't mean to go off subject here but since we're talking about exotic weeds that take over was just curious if anyone knew anything about this stuff?   He's used chemicals I'd never heard of and had some stuff shipping in to try and he claims it just waters it and helps it grow and has been mowing it and had me try digging it out and around the patch and was going to burn the stuff off and try that once, didn't seem to help much that I could tell.   Any ideas would be appreciated


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