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  1. #1
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    Default Sweet corn pre-emergent

    Does anyone know anything about pre-emergent herbicide for sweet corn? We plant a few acres and last year the grass and weeds got ahead of me. I do not have an applicator licence but could get one if I had to.
    In Ohio I can get Atrazine and I think Dual but I know zero about effectiveness and have no experience with them.
    What I would like to see is a substantial reduction in weeds and grass. Usually, I sparay with Roundup, lightly cultivate and then plant. I searched but not much on this topic that I can find.
    Any info would be helpful. Thanks.
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    May I be the kind of person my dogs think I am,

  2. #2
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    Default Re: Sweet corn pre-emergent

    I do not of any pre, or post emergent, weed killers for sweet corn. If there are, I will gladly take some.
    Last edited by ray66v; 03-14-2010 at 08:29 PM.

  3. #3
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    Default Re: Sweet corn pre-emergent

    Quote Originally Posted by ray66v View Post
    I do not of and pre, or post emergent, weed killers for sweet corn. If there are, I will gladly take some.
    Couldn't I get by with a lighter dose of the same products used with field corn?
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    May I be the kind of person my dogs think I am,

  4. #4
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    Default Re: Sweet corn pre-emergent

    Quote Originally Posted by sixdogs View Post
    Couldn't I get by with a lighter dose of the same products used with field corn?
    I am no expert, on this matter. However, it is my understanding that the "Round up ready" crops have a special gene added, that makes them immune.

    Sweet corn does not have the gene.

  5. #5
    Bronze Member derekuk101's Avatar
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    Default Re: Sweet corn pre-emergent

    If you till your ground and start with no weeds or grass, Prowl works great. It costs about 100$ for 2.5 gallons. It works great and I'll spray it twice a season to keep the weeds out. Not for sure on the rates of application but for 50 gallon tank I would use around a 3/4 of a gallon. Not for sure on the exact rates but this works for me. This chemical will turn everything yellow! You do not need a pesticide card in KY to buy it. Hope this helps you out.

  6. #6
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    Default Re: Sweet corn pre-emergent

    Quote Originally Posted by derekuk101 View Post
    If you till your ground and start with no weeds or grass, Prowl works great. It costs about 100$ for 2.5 gallons. It works great and I'll spray it twice a season to keep the weeds out. Not for sure on the rates of application but for 50 gallon tank I would use around a 3/4 of a gallon. Not for sure on the exact rates but this works for me. This chemical will turn everything yellow! You do not need a pesticide card in KY to buy it. Hope this helps you out.
    You spray over the top of the corn? I have used Poast for grass in other crops before.
    I looked up Prowl and as apre-emergent it appears to kill weed seeds but not corn seeds? And as a post-emergent it kills grass, but not corn--which is a grass?
    Tell me more and thanks.
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  7. #7
    Bronze Member derekuk101's Avatar
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    Default Re: Sweet corn pre-emergent

    Yep I spray the day after I plant, and then once the corn is 6inched to a foot tall. It doesn't hurt the corn once its up and growing. I've used it for pumpkins as well. I kinda look at it as a liquid version of Preen. Will not kill plants like roundup will, this works on the seeds in the soil. For me it hasn't affected any of the larger garden seeds I've planted. I was really happy with how it worked last year and will use it again. It also works on green beans.

  8. #8
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    Default Re: Sweet corn pre-emergent

    Quote Originally Posted by derekuk101 View Post
    Yep I spray the day after I plant, and then once the corn is 6inched to a foot tall. It doesn't hurt the corn once its up and growing. I've used it for pumpkins as well. I kinda look at it as a liquid version of Preen. Will not kill plants like roundup will, this works on the seeds in the soil. For me it hasn't affected any of the larger garden seeds I've planted. I was really happy with how it worked last year and will use it again. It also works on green beans.
    That's what I plan to do, spray with Prowl..
    Tell me what you think of this plan---I'll spray with Roundup before I work the ground, cultivate and then plant. Then next day I'll spray with Prowl. And again as corn grows, spraying over the top of the row. Does this sound right?

    How deep do you plant the corn so the Prowl doesn't hurt it? Does it hurt the corn to spray over the top? Have you ever added 2-4-D to the mix? Is it right that Prowl kills grass but not the corn, which is also a grass?
    Thanks for the help on this...weeds and grass got ahead of me last year and I need to recover.
    Last edited by sixdogs; 03-21-2010 at 10:58 AM.
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  9. #9
    Platinum Member firefighter9208's Avatar
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    Default Re: Sweet corn pre-emergent

    I planted one acre of Mosby's white field corn on Saturday (not Roundup Ready). I tank mixed 1 quart of Atrizine (pre-emergent weed) 1 quart of Simtrol (pre-emergant grass) and 1 quart of Roundup (for any existing weeds and grass) with 15 gallons of water and sprayed after planting. My Sunday School Teacher/Southern States Manager told me that you could use Atrazine and Simtrol on "any" corn as a preemergent at planting time.

    I planted the corn seed about 2" deep.


    I'll let you know how it goes in a couple weeks .

    Chris
    2004 Kubota M4800 with Bushhog M346 Loader with 6' Heavy Duty Bucket and Bale Spear. 6' Bushhog SQ720 Mower, Bushhog RDTH72 Finish Mower. Bushhog 3pth Log Splitter. Andy Tatro Grapple. Home Made 48" pallet forks.

    1966 Farmall 140 with cultivators and fertilizer attachment.

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    1969 Mach1 Mustang 351W. Too much to list.

  10. #10
    Super Member
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    Default Re: Sweet corn pre-emergent

    Quote Originally Posted by firefighter9208 View Post
    I planted one acre of Mosby's white field corn on Saturday (not Roundup Ready). I tank mixed 1 quart of Atrizine (pre-emergent weed) 1 quart of Simtrol (pre-emergant grass) and 1 quart of Roundup (for any existing weeds and grass) with 15 gallons of water and sprayed after planting. My Sunday School Teacher/Southern States Manager told me that you could use Atrazine and Simtrol on "any" corn as a preemergent at planting time.

    I planted the corn seed about 2" deep.


    I'll let you know how it goes in a couple weeks .

    Chris
    Please let me know how it works. THis could make life a lot easier for the sweet corn crowd. I'm doing more every year and the grass and weeds is starting to be an issue. Thanks
    ******

    May I be the kind of person my dogs think I am,

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