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  #1  
Old 05-27-2013, 10:37 PM
ArTurf ArTurf is online now
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Atrazine for dichondra

If you use atrazine for dichondra control how well does it work. This is in St Aug. What other products do you like for this? Any other tips?
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Old 05-27-2013, 11:46 PM
greendoctor greendoctor is online now
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Metsulfuron. I consider that the base for weed control in St Augustine. Also, limiting water and high mowing helps as well.
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Old 05-28-2013, 06:11 AM
ArTurf ArTurf is online now
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Originally Posted by greendoctor View Post
Metsulfuron. I consider that the base for weed control in St Augustine. Also, limiting water and high mowing helps as well.
I've used it at the .50 oz/acre rate and it seems to stunt it but not completely knock it. Do I need to go to a higher rate or hit it multiple times?
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Old 05-28-2013, 08:35 AM
grassmasterswilson grassmasterswilson is online now
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Metsulfuron is slow to work so keep that in mind.
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Old 05-28-2013, 10:56 AM
ArTurf ArTurf is online now
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Originally Posted by grassmasterswilson View Post
Metsulfuron is slow to work so keep that in mind.
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what do you use GM?
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  #6  
Old 05-28-2013, 01:40 PM
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WestGaPineStraw WestGaPineStraw is offline
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I would use, Metsulfron at .5oz p/acre, quicksilver at 1oz p/acre and MSO at 25% per volume of water. Ai tip at .5 gallons per 1000 sq ft. SMOKE!
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Old 05-28-2013, 01:44 PM
GreenThumb11 GreenThumb11 is offline
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Metsulfron will only stunt it and that's at the high rate. Only thing I have found to be effective on it is atrazine. But I would be careful in this heat!
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Old 05-28-2013, 02:12 PM
greendoctor greendoctor is online now
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Originally Posted by WestGaPineStraw View Post
I would use, Metsulfron at .5oz p/acre, quicksilver at 1oz p/acre and MSO at 25% per volume of water. Ai tip at .5 gallons per 1000 sq ft. SMOKE!
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Agreed. Weeds react differently to SU herbicides when they are applied with MSO and Quicksilver. I have had disappointing results applying an SU with normal surfactants and omitting the contact herbicides. 2-4 oz Dismiss is another possibility.
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Old 05-28-2013, 04:42 PM
grassmasterswilson grassmasterswilson is online now
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Originally Posted by ArTurf View Post
what do you use GM?
I've had some control with metsulfuron but it isn't on the label

Celcius has it in the label at the medium rate but has a star saying a second app 2-4 weeks later may be needed.
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Old 05-28-2013, 05:38 PM
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Florida Gardener Florida Gardener is online now
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Metsulfuron. I consider that the base for weed control in St Augustine. Also, limiting water and high mowing helps as well.
Great point on the water...i see a few specific weeds here in St. Aug that are a direct result from overwatering. Its amazing how much good cultural practices can severely reduce weeds, pests, and diseases in turf.
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