How to kill duckweed???

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BBB
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Re: How to kill duckweed???

Postby BBB » Fri Jul 18, 2008 11:18 pm

WHO DA F@#$ IS DUCKWEED



STAY HOME!!!!
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hatchdaddy
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Re: How to kill duckweed???

Postby hatchdaddy » Sun Mar 15, 2009 7:33 pm

Rodeo is the aquatic version of Roundup. Its labeled for use in water. Its Glyphosate, same active ingredient in Round Up. Not sure if its 4 pound material or not.
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Don Miller
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Re: How to kill duckweed???

Postby Don Miller » Tue Mar 17, 2009 7:52 am

Will 2,4-D kill duckweed? I think I recall seeing that duckweed is listed as a target plant on the lable of 2,4-D products.
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Greenhead22
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Re: How to kill duckweed???

Postby Greenhead22 » Tue Mar 17, 2009 8:10 am

2-4D will do the job.
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Buckwabit
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Re: How to kill duckweed???

Postby Buckwabit » Tue Mar 17, 2009 10:22 am

Burn it!!!


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h2o_dog
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Re: How to kill duckweed???

Postby h2o_dog » Fri Mar 20, 2009 8:52 pm

Don Miller wrote:Will 2,4-D kill duckweed? I think I recall seeing that duckweed is listed as a target plant on the lable of 2,4-D products.


might work in warm weather, but I've had no luck killing duckweed in cool temperatures with 2,4-D +/- Roundup.

I heard Reward will do it, but it ain't cheap.
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pondman
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Re: How to kill duckweed???

Postby pondman » Mon Mar 23, 2009 11:41 am

Duckweed requires either Reward or Sonar. 2,4-D or gylphosate (Roundup) are both systemics and will not touch duckweed. Reward is dirt cheap compared to Sonar.

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whitesand
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Re: How to kill duckweed???

Postby whitesand » Mon Mar 23, 2009 3:35 pm

Here you go:

http://www.forestry-suppliers.com/produ ... sp?mi=2577
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feedcall
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Re: How to kill duckweed???

Postby feedcall » Wed Mar 25, 2009 9:06 am

Has anyone ever tried round up max with soap mixed in it?
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pondman
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Re: How to kill duckweed???

Postby pondman » Wed Mar 25, 2009 11:28 am

Roundup is a systemic. It will not kill duckweed. Systemics have to stay in conatct with the plant for several hours and then travel to the root system. Duckweed floats in water and it has virtually no root system. Reward or Sonar.

Pond
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Re: How to kill duckweed???

Postby DUCKAHOLIC » Wed Mar 25, 2009 1:31 pm

You go get you some Karmex....it is a powder and mix it in water put it in a spray rig and spray the duck weed it will kill it in less than a week....................I had the worst case of duckweed you have ever seen in a farm pond..............hit it with karmex and have been duckweed free for 3 years. You will then need to put some aquashade back into the water cause it will be so clear you can see all the way to the bottom.............................
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pondman
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Re: How to kill duckweed???

Postby pondman » Wed Mar 25, 2009 5:02 pm

DUCKAHOLIC wrote:You go get you some Karmex....it is a powder and mix it in water put it in a spray rig and spray the duck weed it will kill it in less than a week....................I had the worst case of duckweed you have ever seen in a farm pond..............hit it with karmex and have been duckweed free for 3 years. You will then need to put some aquashade back into the water cause it will be so clear you can see all the way to the bottom.............................


Or you could use an aquatically approved chemical that will not kill all your plankton for 5 or 6 years. But hey, that's just crazy thinking right there.

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DUCKAHOLIC
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Re: How to kill duckweed???

Postby DUCKAHOLIC » Thu Mar 26, 2009 1:14 pm

Karmex works ...................all I am sayin................and damn well
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pondman
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Re: How to kill duckweed???

Postby pondman » Thu Mar 26, 2009 1:43 pm

DUCKAHOLIC wrote:Karmex works ...................all I am sayin................and damn well


The question then becomes is the cure worse than the disease???
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Re: How to kill duckweed???

Postby duckkiller » Thu Mar 26, 2009 9:40 pm

hatchdaddy wrote:Rodeo is the aquatic version of Roundup. Its labeled for use in water. Its Glyphosate, same active ingredient in Round Up. Not sure if its 4 pound material or not.




Never heard of Rodeo, but its prob. just a trade name, and depending on what manuf. makes and sells it there are 100's of the same things out there, only diff is concentration of AI. However Reward is labled for aquatic and will do the job
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