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Re: chemical weed control

Andrew  Unless I have got you wrong, how do you expect to control (kill)
'weeds' but not prairie grasses and forbs?  Those are 'weeds' by my
reckoning, and I want them in my prairies.  .   Geoff   (Native Prairies
Assn of TX)

-----Original Message-----
From: Brett Roberts <brett.roberts@il.usda.gov>
To: prairie@mallorn.com <prairie@mallorn.com>
Date: Monday, March 01, 1999 3:18 PM
Subject: Re: chemical weed control


>andrew james swanson wrote:
>>
>> In trying to establish some production plots of local seed of prairie
>> species does anyone have knowledge on chemicals that work well on
>> controlling weeds (mostly annual) with little or no damage to the
>> desired species?  This would be in a direct seed situation with a
>> monoculture or single species in their own separate plot.  Preplant,
>> post plant and or post emergence.  For plants such as :
>> pale purple coneflower
>> showy sunflower
>> oxeye false sunflower
>> rattlesnake master
>> liatris spp.
>> compass plant
>> butterfly milkweed
>> others...?
>> Has anyone tried planting roundhead bushclover in an area treated with
>> treflan?
>
>
>
>There is a new herbicide manufactured by American Cyanamid called
>"Plateau".  This product is cleared to be applied to many different
>forbs.
>
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