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Old 09-11-2005, 07:21 AM
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Glyphosate Risidual and new seed

What's the minimum amount of time you guys would wait to plant new seed after hitting the existing lawn/weeds with Round Up?

Brian
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Old 09-11-2005, 07:26 AM
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Whatever time the label said to wait....
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Old 09-11-2005, 07:30 AM
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Quote:
Originally Posted by SodKing
Whatever time the label said to wait....
Different product labels say different things. Glyphosate is Glyphosate, albeit at different concentrations from product to product. For example, Lesco Prosecutor says that there is not a residual. Others say that there is.

Is there a residual with Glyphosate, or not?

Thanks,
Brian
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2004 Chevy 2500HD ext. cab
2000 Chevy 3500
16' tandem trailer w/ side gate
60" 25hp Bobcat ZT-225 w/ back vac
54" 20hp Hydro Bobcat w/b
21" MTD
Stihl BR600,BR340,Husq 325L,KM85,FS45,MS250C, MS310,Echo PB620
Husquvarna
Little Wonder 10hp blower
(2)7.5' Meyer Poly plow
Meyer Mate Spreader
and a CRAPPY SnowEx 8000 V box spreader that I should have NEVER bought!
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Old 09-11-2005, 07:50 AM
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Generally the residual breaks down quickly. Many people say that gly breaks down quickly but if you think about it it is not an instant breakdown. It is broken down by microbial activity and that is not instant.

However, whatever product you use you have to follow the label on the reentry time. For Lesco Prosecutor they suggest waiting 7 days before tilling of slice seeding to allow the material to translocate to the roots.
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Old 09-11-2005, 12:36 PM
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Even though the label states to wait, you can seed right after spraying glyphosate. The waiting period is to allow the chemical to completely translocate throughout the weeds/grass that you are spraying. Glyphosate does not harm the seed.
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Old 09-12-2005, 12:33 PM
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agreed. Seeding the next day is very common.
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Old 09-12-2005, 06:51 PM
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You can spray and then seed on the existing wet terrain if you want to.
Glyosphate is essentially a salt and it requires an actively growing plant to absorb and translocate the chemical.
And Yes, I have done this many times.
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Old 09-12-2005, 11:19 PM
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Very good info from all. Thanks!

I have not visited LS in a while because I got tired of some of the rude replies to posts. Good info from those of you who have posted reminds me that LS is still a great place to come for info!

Thanks again!

Brian
__________________
2004 Chevy 2500HD ext. cab
2000 Chevy 3500
16' tandem trailer w/ side gate
60" 25hp Bobcat ZT-225 w/ back vac
54" 20hp Hydro Bobcat w/b
21" MTD
Stihl BR600,BR340,Husq 325L,KM85,FS45,MS250C, MS310,Echo PB620
Husquvarna
Little Wonder 10hp blower
(2)7.5' Meyer Poly plow
Meyer Mate Spreader
and a CRAPPY SnowEx 8000 V box spreader that I should have NEVER bought!
Reply With Quote
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