Glyphosate spray

Discussion in 'Habitat Forum' started by AGS1, Mar 5, 2018.

  1. AGS1

    AGS1 Refuge Member

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    Woodford county, Illinois
    We are not farmers but do plant several acres of food plot corn for ducks each year. We plant RR seed and spray using 41% glyphosate. I found a 50.2% glyphosate product on line and wondering if this is too heavy a dose of glyphosate for RR corn, anyone know ?
     
  2. cootmeurer

    cootmeurer Elite Refuge Member

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    The strength of the concentrate is unimportant. What is important is the spray rate.

    If the label on the seed says spray at a rate of 1 pint of active ingredient per acre, that is what you spray. A dilution made from 50% will require less concentrate than a dilution made from 40%. Label should be available online before you purchase.
     
    WHUP ! Hen and jzoo like this.
  3. jzoo

    jzoo Senior Refuge Member

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    This ^^^^
     
  4. Echo

    Echo Senior Refuge Member

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    Unsure if you are looking at Roundup Custom, or something along those lines, but the higher AI glyphosate usually has an aquatic label, and doesn't have an adjuvant in it. Even with the 41% Glypho with the adjuvant, you will get a faster, better kill if you add AMS(ammonium sulfate). Common aquatic Glyphosates have 53.8% AI, and no adjuvant.

    If you buy your glypho at an ag store, buy a bag of sprayable AMS. Comes in a 51# bag. Rate is 17# per 100 gl h20, can backpack spray it (4 gallon sprayer). Add about 12 ounces per backpack sprayer.

    If you are buying aquatic Glyphosate to be sprayed over water, you will need an aquatic labelled adjuvant as well. Sprayable AMS isn't labelled for water application.
     
  5. AGS1

    AGS1 Refuge Member

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    Location:
    Woodford county, Illinois
    We spray using a product called Ranger Pro, 41% glyphosate (comes premixed with surfactant), do we still need to add adjuvant?
     

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