[NAFEX] Tordon and Roundup

Road's End Farm organic87 at frontiernet.net
Sun Nov 14 12:27:35 EST 2010


On Nov 14, 2010, at 12:10 PM, Idell Weydemeyer wrote:

> I think it is important to be very careful with Tordon. Tordon is  
> toxic to fish and gets in the water table  [. . . ]  Perhaps the  
> cattails will die with just dilute Roundup painted on them --  
> Roundup is said to be the least toxic of many herbicides but  
> supposedly it is the inert ingredients that can cause many problem.
>
>
> On Nov 14, 2010, at 10:51 AM, jwlehman at aol.com wrote:

>>
>> I have a new six acre pond and the cattail clumps are getting  
>> established around the pond's edge.  About three weeks ago as a  
>> test I went to about six of those clumps cut off several of the  
>> stalks about 3 inches above the ground and applied a mixture of  
>> about 25% Tordon, 25% Roundup and 50% water.  [ . . .] . Next  
>> spring I intend to treat all of the clusters as I don't want the  
>> pond's banks lined with cattails.
>>

I just checked a Roundup label (readily available online). Quoting  
from that label:

"Do not apply directly to water, to areas where surface water is  
present or to intertidal
areas below the mean high water mark. Do not contaminate water when  
cleaning equip-
ment or disposing of equipment washwaters."

It sounds as if this would be a really bad idea, with either the  
Tordon or the Roundup.

Maybe your local Soils and Water office can tell you some way to  
control the cattails without causing other problems?


-- Rivka; Finger Lakes NY, Zone 5 mostly
Fresh-market organic produce, small scale



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