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#34142 - 06/02/03 03:27 PM killing coontail
b57tx Offline
Junior Member

Registered: 05/13/02
Posts: 2
I have a 3 acre lake that averages 6 foot of depth. It is entirely covered in coontail. I have been battling it for years. Im sick of pulling it out with the tractor every year and have give up on the grass carp I put in several years ago. Im gonna nuke it. I need to know what product is the best. I used Reward several years ago and had good results but it just grew back. Im looking for the most cost effective herbcide and the most environmentally sound stuff. There is livestock that waters in the pond but it can be moved for a few days. I eat the fish from the pond regularly as well. Any input would be greatly appreciated.

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#34143 - 06/04/03 12:54 PM Re: killing coontail
Fishhead Offline
Lunker

Registered: 05/20/03
Posts: 103
Loc: Central Iowa
I just got done ordering some Weedtrin-D (diaquat) for my coontail and duckweed. It'll be a week or so before i can give the report but will let you know how it goes.
$75.00 per gal covers 4000 sq ft.
Product itself is safe for fish but dying vegitation will consume DO2.

FH

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#34144 - 06/04/03 08:37 PM Re: killing coontail
Brad Bortz Offline
Member

Registered: 11/18/02
Posts: 85
Loc: Millstadt Il.
I was just going to ask the same question! My lake is 5 acres and is so loaded w/ coontail, It's getting worse as the weather gets hotter. I really do not want any chemicals in the lake and have already resorted to pulling it up by hand and rakes. How did you use your tractor to pull up this crap?

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#34145 - 06/04/03 11:00 PM Re: killing coontail
Greg Grimes Offline
Ambassador
Field Correspondent
Lunker

Registered: 05/03/02
Posts: 3973
Loc: Ball Ground, GA
Have you seen the grass carp? Many folks stock the smaller 8-10 inch size and the bass love their torpedo shape. If you have not seen several or did not stock at the right rate??? I have had good luck with grass carp controlling it. If ging the herbicide route, I suggest Reward. It has much higher concentration of Diquat than Weedtrine.
_________________________
Greg Grimes
www.lakework.com

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#34146 - 06/04/03 11:46 PM Re: killing coontail
Brad Bortz Offline
Member

Registered: 11/18/02
Posts: 85
Loc: Millstadt Il.
Greg, My neighbor has the same type of of lake dynamics as mine, He put grass carp in his lake years ago and they don't touch the coontail according to him. I also remember reading that grass carp don't like the stuff, and will only eat it as a last resort. Do you think thats true, or do your grass carp really do a number on the crap. I have carp in my lake but not grass carp. Do you recomend getting rid of the ones I have now and getting grass carp?

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#34147 - 06/17/03 10:13 PM Re: killing coontail
Ronnie Raper Offline
Junior Member

Registered: 06/17/03
Posts: 3
Loc: Arkansas
I have the same problem as all of you guys and I still don't see an answer (reply) that gets me anywhere. If anyone finds out about anything email me the answer. Thanks randsdj@smail.astate.edu
_________________________
Ronnie raper

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#34148 - 06/17/03 10:33 PM Re: killing coontail
Bill Cody Offline
Moderator
Ambassador
Field Correspondent

Lunker

Registered: 04/18/02
Posts: 12550
Loc: Northwest Ohio - Malinta OH
Reward or Sonar or grass carp at 60/vegetated acre & then in 6 or 7 yrs 20/vegetated acre.
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#34149 - 06/17/03 10:41 PM Re: killing coontail
Ronnie Raper Offline
Junior Member

Registered: 06/17/03
Posts: 3
Loc: Arkansas
Thanks for the answer! I am a beginner as far as pond management goes, so where exactly can I get this Sonar and what is it going to cost? Are there any places in Arkansas where I can purchase the Sonar? Thanks \:\)
_________________________
Ronnie raper

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#34150 - 05/09/04 04:49 PM Re: killing coontail
Dudley W Offline
Junior Member

Registered: 02/25/04
Posts: 5
Loc: Ohio
Having spent the day pulling 7 cubic yards of coontail from my pond and realizing that I have about 8 times that much still to pull, I have a question.

Does this stuff grow back in the same season or will it wait until next year to haunt me again?

Will Aquashade slow this stuff down? I realize that it is not ideal for raising fish, but I'd rather avoid herbicieds if I can.

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#34151 - 05/10/04 12:07 AM Re: killing coontail
Kelly Duffie Offline
Lunker

Registered: 04/19/02
Posts: 1478
Loc: Cypress, TX (Helena A-E LLC))
Since coontail isn't commonly rooted, any fragments that are left behind following a mechanical/manual removal operation are free to grow. So, regrowth during the same season of such operations are common - and likely. To what degree? - it depends on many things. But, small to moderate population of coontail may actually be a desirable thing. But, if your pond offers a conducive environment, coontail can take over and become too abundant.
SONAR or AQUATHOL are two very effective treatments for coontail, with REWARD being a distant 3rd - but very suitable if your pond experiences frequent or constant flow-through.
SONAR, though easily applied, requires an extended contact-time (30 days+). Season-long control (or more) is normally obtained with one treatment.
AQUATHOL has more labor/equipment requirements, but contact-time requirement is much shorter than SONAR and visable results are quicker, and regrowth tends to be impeded to some degree.
REWARD works very fast but regrowth may occur almost immediately.
If you're avoiding herbicides for a specific reason or concern, that's fine. However, when properly employed, herbicides may provide a very cost-effective and environmentally friendly option to repeated manual-removal efforts.

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#34152 - 05/10/04 10:13 AM Re: killing coontail
Norm Kopecky Offline
Lunker

Registered: 10/23/03
Posts: 764
Loc: Sioux Falls, SD
Thanks for the great comments. My problem is with White Water Crowfoot (Buttercup) Ranunculus flabellaris. It and Yellow Water Crowfoot look very much like coontail. They hold their white or yellow flowers just above the surface.

We have 15 grass carp in 4 acres that we put in last year. They were 12-14 inches long when we put them in. Obviously we don't have enough, they aren't big enough or they don't like this plant.

My biggest concern is that we have a number of hybrid water lilies in the area. Is there any herbicides that would control the crowfoot but not kill the water lilies? Any ideas would be greatly appreciated.
_________________________
Norm Kopecky

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#34153 - 05/12/04 11:16 PM Re: killing coontail
PondsRx Offline
Member

Registered: 05/03/04
Posts: 66
Loc: Midwest
I agree with Kelly. Sonar is probably the best method for controlling coontail. If flow is a problem, Sonar has pellets (Quick Release, and Precision Release) that help in flow situations. Reward or diquat (Weedtrine D) are contact herbicides that only burn the plant back. Yes, it will regrow. Fluridone is a systemic that will kill the entire plant.
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#34154 - 05/13/04 08:48 AM Re: killing coontail
Dudley W Offline
Junior Member

Registered: 02/25/04
Posts: 5
Loc: Ohio
Will the sonar applied to kill the coontail affect the cattails if it is not directly applied to them?

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#34155 - 05/14/04 06:04 PM Re: killing coontail
PondsRx Offline
Member

Registered: 05/03/04
Posts: 66
Loc: Midwest
Sonar could kill the cattail if you went to a high enough dosage. You don't need to go that high to kill coontail though.
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PondsRx.com Your Pond's Best Friend!

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#34156 - 05/15/04 10:18 PM Re: killing coontail
Kelly Duffie Offline
Lunker

Registered: 04/19/02
Posts: 1478
Loc: Cypress, TX (Helena A-E LLC))
A variation of Mr. Murphy's Law comes into play with cattails, in relation to a SONAR treatment. If you want to retain the cattails, the SONAR will wipe 'em out. If you want to eradicate them, not a one will die. In general, they'll likely be affected to some degree or another (provided they're inundated in the treated water). Otherwise, eradicating them isn't very likely at typical SONAR use-rates.

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#34157 - 05/19/04 08:49 AM Re: killing coontail
Norm Kopecky Offline
Lunker

Registered: 10/23/03
Posts: 764
Loc: Sioux Falls, SD
I'm trying Aquathol to control water crowfoot. Does anyone have any experience with this herbicide? In particular, I don't want to hurt my hybrid waterlilies.
_________________________
Norm Kopecky

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#34158 - 07/07/04 05:37 AM Re: killing coontail
Tent Camp Offline
Junior Member

Registered: 07/07/04
Posts: 3
Loc: southeastern Arkansas
Our southeast AR pond is ~52 acres. For the last two years we have flown in an 11-48-0 fertilizer (recommended by AR Game & Fish Com). The lake is now fishable year-round. Moss growth down, turbidity up with visibility down to ~2'.
Coontail moss is a problem is certain spots.
Nearby club has used Aquathol K at recommended application rates with success 3 weeks after application.
That's our next step. Will keep you posted.
Any suggestions? We tried grass carp several years ago, but high water put 'em in Baton Rouge!
_________________________
Tent Camp

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#34159 - 08/02/04 03:03 PM Re: killing coontail
Tent Camp Offline
Junior Member

Registered: 07/07/04
Posts: 3
Loc: southeastern Arkansas
Two clubs, mine included, have used Aquathol K (Elf Atochem) on coontail. It's expensive, at 1.6 gal/acre-ft & ~$100/gal! But it works in 3 weeks.

Anybody know how to kill black horsehair?
_________________________
Tent Camp

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#34160 - 08/02/04 10:37 PM Re: killing coontail
Kelly Duffie Offline
Lunker

Registered: 04/19/02
Posts: 1478
Loc: Cypress, TX (Helena A-E LLC))
TC - did that $100/gal. include application???

Also, I'm not familiar with black horsehair (a plant?). Do you have a picture of it?

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#34161 - 08/04/04 04:01 PM Re: killing coontail
kingrichard Offline
Junior Member

Registered: 07/01/04
Posts: 2
Loc: Indy
I don't have as much coontail in my 2 acre pond. I have noticed after a heavy rain and humid weather, there is a lot of nasty floating algae covering 1/5th of the surface. I tried scooping it out with a net, but it became exhausting and I only put a small dent in the algae. I don't have a boat so I can't get to the rest of the algae. I have stocked Largemouth Bass and Bluegills. Is there an easier way to get rid of this without killing the fish? I have worked hard to get this to be a productive pond. I see a lot of baby fish swimming around, so it is starting to come around. I'm afraid the algae will kill my fish if it gets out of control. Any suggestions?

P.S. I just read about the coontail moss. Is this what caused the floating algae like moss in the pond. If so, will getting rid of the coontails help prevent this from happening in the future?

Richard
Indianapolis, IN

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#34162 - 08/17/04 05:17 PM Re: killing coontail
Tent Camp Offline
Junior Member

Registered: 07/07/04
Posts: 3
Loc: southeastern Arkansas
Recently used Aquathol K on 52 acre pond to kill coontail. Used recommended application rate of 1.3 to 1.9 gal/acre-ft, unskilled labor (mine), gloves (the stuff looks evil), & a garden sprayer. Spot application killed it graveyard-dead in two weeks.
It's damened expensive, but it works!
_________________________
Tent Camp

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#34163 - 08/19/04 05:33 PM Re: killing coontail
Fishman Offline
Member

Registered: 05/08/02
Posts: 188
Loc: Waco, TX
"52 acre pond"

Even in Texas, we'd call that a lake! ;\)

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