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Old 10-03-2007, 07:18 PM
VARMIT COMMISSION VARMIT COMMISSION is offline
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Simizine & Atrazine

Whats The Difference Between Atrazine And Simizine 4l??? I Know Simazine Is Ok For Residential Lawns, And It Is A Cool Wheater Pre-emergant But Thats About All I Know. Oklahoma Bermuda Grass
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Old 10-04-2007, 09:07 AM
ThreeWide ThreeWide is offline
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Atrazine is restricted use pesticide. That is one major difference.

Specific to Bermudagrass, Atrazine is labeled for use only when it is completely dormant. Simazine is less harsh on the Bermuda, but it does tend to zap the color out when spraying too early in the Fall.
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Old 10-04-2007, 06:32 PM
VARMIT COMMISSION VARMIT COMMISSION is offline
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Ok, Thanks-- I Didnt Know It Was Restricted.
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Old 09-26-2012, 03:59 PM
cecropia11 cecropia11 is offline
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can simazine be used on fescue grass.
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Old 09-26-2012, 07:21 PM
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WestGaPineStraw WestGaPineStraw is offline
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Quote:
Originally Posted by cecropia11 View Post
can simazine be used on fescue grass.
Warm season grasses only.
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Old 09-26-2012, 08:17 PM
nik nik is offline
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Lots of groundwater contamination issues with atrazine, less so with simizine
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Old 09-26-2012, 09:37 PM
RAlmaroad RAlmaroad is online now
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Simazine has far less lateral soil movement than Atrazine as well as being temperature restrictive.
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