Table 9-5. Glyphosate Tolerant "Roundup Ready" Corn Herbicide Weed Control Ratings: Annual Grasses, Annual Broadleaves, Perennials


Pub 75: Guide to Weed Control > Corn > Table 9-5. Glyphosate Tolerant "Roundup Ready" Corn Herbicide Weed Control Ratings: Annual Grasses, Annual Broadleaves, Perennials

Excerpt from 2010-11 Chapter 9, Publication 75, Guide to Weed Control, Order this publication

Cover of Publication 75, Guide to Weed ControlTable of Contents

| Annual Grasses | Annual Broadleaves | Perennials |

  1. Annual Grasses
  2. Annual Broadleaves
  3. Perennials
  4. Table 9-5: Glyphosate Tolerant "Roundup Ready" Corn Herbicide Weed Control Ratings - PDF (47 kb)
  5. Related Links

Preplant Burndown Herbicides - Refer to Table 6-1. Non-Selective Herbicides Available for Preplant Site Preparation. Refer to Table 6-2. Preplant Herbicide Weed Control Ratings, for a list of herbicides and weed control ratings.

Annual Grasses

    "One-Pass" Treatment for Glyphosate Tolerant Hybrids Only
    Trade Name
    		 Barn-yard Grass Smooth Crab-
    grass    		 Large Crab-
    grass    		 Fall Pani-cum Giant Foxtail Green Foxtail Yellow Foxtail Witch Grass Proso Millet
    glyphosate4 (Emerged Weeds) ***E4
    		 9* 9* 9* 9* 9* 9* 9* 9 9

* Indicates the weed is listed on the product label for control or suppresssion.
** Various formulations available, see Table 1, Herbicides Used in Ontario.
4 For use on "Roundup Ready" corn (glyphosate tolerant) only. See Table 9-7. Glyphosate product rates and tank-mix partners for use on glyphosate tolerant "Roundup Ready" corn for a list of registered products and tank-mixes.
*** Crop Tolerance

    "One-Pass" Tank-Mixes with Residual Weed Control for Glyphosate Tolerant Hybrids Only
    Trade Name
    		 Barn-yard Grass Smooth Crab-
    grass    		 Large Crab-
    grass    		 Fall Pani-cum Giant Foxtail Green Foxtail Yellow Foxtail Witch Grass Proso Millet

    Galaxy4 (Emerged Weeds) ***G4

    Residual Weed Control

    9*

    –

    9*

    –

    9*

    9

    9*

    8*

    9*

    8

    9*

    8*

    9*

    8

    9

    8

    9

    9

    Galaxy4 + atrazine** (Emerged Weeds) ***G4

    Residual Weed Control

    9*

    –

    9*

    –

    9*

    9

    9*

    8*

    9*

    8

    9*

    8*

    9*

    8

    9

    8

    9

    9

    glyphosate4 + atrazine
    (Emerged Weeds) ***E4

    Residual Weed Control

    9*

    2

    9*

    2

    9*

    2

    9*

    2

    9*

    2

    9*

    2

    9*

    2

    9

    2

    9

    2

    glyphosate4 + Callisto + Aatrex Liquid 480
    (Emerged Weeds) ***E4

    Residual Weed Control

    9*

    2

    9*

    0

    9*

    2

    9*

    0

    9*

    2

    9*

    2

    9*

    2

    9

    2

    9

    2

    glyphosate4 + Impact + atrazine
    (Emerged Weeds) ***E4

    Residual Weed Control

    9*

    6*

    9*

    0

    9*

    6*

    9*

    0

    9*

    6*

    9*

    6*

    9*

    0

    9

    0

    9

    0

    glyphosate4 + Marksman or Propero***E4
    (Emerged Weeds)

    Residual Weed Control

    9*

    2

    9*

    2

    9*

    2

    9*

    2

    9*

    2

    9*

    2

    9*

    2

    9

    2

    9

    2

    glyphosate4 + Primextra II Magnum
    (Emerged Weeds) ***E4

    Residual Weed Control

    9*

    9

    9*

    9

    9*

    9

    9*

    8

    9*

    8

    9*

    9

    9*

    9*

    9

    9*

    9

    2

    Halex GT + Aatrex
    (Emerged Weeds) ***E4

    Residual Weed Control

    9*

    9

    9*

    9

    9*

    9

    9*

    9

    9*

    9

    9*

    9

    9*

    9*

    9

    9*

    9

    4

* Indicates the weed is listed on the product label for control or suppresssion.
** Various formulations available, see Table 1, Herbicides Used in Ontario.
– Insufficient information available to make a rating.
4 For use on "Roundup Ready" corn (glyphosate tolerant) only. See Table 9-7. Glyphosate product rates and tank-mix partners for use on glyphosate tolerant "Roundup Ready" corn for a list of registered products and tank-mixes.
*** Crop Tolerance

 

Annual Broadleaves

    "One-Pass" Treatments for Glyphosate Tolerant Hybrids Only
    Trade Name
    		Wild Buckwheat Cocklebur Corn Spurry Canada Fleabane Lady's Thumb Lamb's-quarters
    glyphosate4 (Emerged Weeds) ***E4
    		 8* 9* 8 8 8* 9*
    More...
    "One-Pass" Treatments for Glyphosate Tolerant Hybrids Only (con't)
    Trade Name
    		Mustards Nightshades Pigweeds Common Ragweed Giant Ragweed Velvetleaf
    glyphosate4 (Emerged Weeds) ***E4
    		 9* 9* 9* 9* 7/8 9*

* Indicates the weed is listed on the product label for control or suppresssion.
** Various formulations available, see Table 1, Herbicides Used in Ontario.
– Insufficient information available to make a rating.
4 For use on "Roundup Ready" corn (glyphosate tolerant) only. See Table 9-7. Glyphosate product rates and tank-mix partners for use on glyphosate tolerant "Roundup Ready" corn for a list of registered products and tank-mixes.
*** Crop Tolerance

    "One-Pass" Tank-Mixes with Residual Weed Control for Glyphosate Tolerant Hybrids Only
    Trade Name
    		Wild Buckwheat Cocklebur Corn Spurry Canada Fleabane Lady's Thumb Lamb's-quarters

    Galaxy4 (Emerged Weeds) ***G4

    Residual Weed Control

    *8

    8

    9*

    –

    8

    –

    8

    –

    8*

    8*

    9*

    7*
    More...

    Galaxy4 + atrazine** (Emerged Weeds) ***G4

    Residual Weed Control

    8*

    9*

    9*

    7

    8

    9*

    8

    –

    8*

    9*

    9*

    7*

    More...

    glyphosate4 + atrazine
    (Emerged Weeds) ***E4

    Residual Weed Control

    8*

    9*

    9*

    7

    8

    9*

    8

    –

    8*

    9*

    9*

    9*

    More...

    glyphosate4 + Callisto + Aatrex Liquid 480
    (Emerged Weeds) ***E4

    Residual Weed Control

    8*

    9

    9*

    6

    8

    9

    8

    –

    9*

    9

    9*

    9*

    More...

    glyphosate4 + Impact + atrazine
    (Emerged Weeds) ***E4

    Residual Weed Control

    8*

    8

    9*

    7

    8

    9

    8

    –

    8*

    9*

    9*

    9*

    More...

    glyphosate4 + Marksman or Propero***E4
    (Emerged Weeds)

    Residual Weed Control

    9*

    9*

    9*

    7

    9

    9*

    8

    –

    9*

    9*

    9*

    9*

    More...

    glyphosate4 + Primextra II Magnum
    (Emerged Weeds) ***E4

    Residual Weed Control

    9*

    9*

    9*

    7

    9

    9

    8

    –

    9*

    9*

    9*

    9*

    More...

    Halex GT + Aatrex
    (Emerged Weeds) ***E4

    Residual Weed Control

    9*

    9*

    9*

    8

    9

    –

    8

    –

    9*

    9*

    9*

    9

    More...

    "One-Pass" Tank-Mixes with Residual Weed Control for Glyphosate Tolerant Hybrids Only (con't)
    Trade Name
    		Mustards Annual Nightshades Pigweeds Common Ragweed Giant Ragweed Velvetleaf

    Galaxy4 (Emerged Weeds) ***G4

    Residual Weed Control

    9*

    –

    9*

    7

    9*

    8*

    9*

    7

    7/8

    –

    9*

    5

    Galaxy4 + atrazine** (Emerged Weeds) ***G4

    Residual Weed Control

    9*

    9

    9*

    9

    9*

    8*

    9*

    9*

    7/8

    6

    9*

    5

    glyphosate4 + atrazine
    (Emerged Weeds) ***E4

    Residual Weed Control

    9*

    9

    9*

    9

    9*

    9*

    9*

    9*

    7/8

    6

    9*

    5

    glyphosate4 + Callisto + Aatrex Liquid 480
    (Emerged Weeds) ***E4

    Residual Weed Control

    9*

    9*

    9*

    9

    9*

    9*

    9*

    9*

    8

    6

    9*

    9*

    glyphosate4 + Impact + atrazine
    (Emerged Weeds) ***E4

    Residual Weed Control

    9*

    9*

    9*

    9*

    9*

    9*

    9*

    9*

    9

    6

    9*

    6*

    glyphosate4 + Marksman or Propero***E4
    (Emerged Weeds)

    Residual Weed Control

    9*

    9*

    9*

    9

    9*

    9*

    9*

    9*

    9

    7

    9*

    8*

    glyphosate4 + Primextra II Magnum
    (Emerged Weeds) ***E4

    Residual Weed Control

    9*

    9*

    9*

    9*

    9*

    9*

    9*

    9*

    7/8

    –

    9*

    5

    Halex GT + Aatrex
    (Emerged Weeds) ***E4

    Residual Weed Control

    9*

    9

    9*

    9*

    9*

    9*

    9*

    8*

    8

    6

    9*

    9*

* Indicates the weed is listed on the product label for control or suppresssion.
** Various formulations available, see Table 1, Herbicides Used in Ontario.
– Insufficient information available to make a rating.
4 For use on "Roundup Ready" corn (glyphosate tolerant) only. See Table 9-7. Glyphosate product rates and tank-mix partners for use on glyphosate tolerant "Roundup Ready" corn for a list of registered products and tank-mixes.
*** Crop Tolerance

Perennials

    "One-Pass" Treatments for Glyphosate Tolerant Hybrids Only
    Trade Name
    		 Field Bindweed Horsetail Milkweed Nut sedge Quackgrass Sow-thistle Canada thistle
    glyphosate4 (Emerged Weeds) ***E4
    		 7/8 – 8* 7* 9* 8* 9*

* Indicates the weed is listed on the product label for control or suppresssion.
** Various formulations available, see Table 1, Herbicides Used in Ontario.
– Insufficient information available to make a rating.
4 For use on "Roundup Ready" corn (glyphosate tolerant) only. See Table 9-7. Glyphosate product rates and tank-mix partners for use on glyphosate tolerant "Roundup Ready" corn for a list of registered products and tank-mixes.
*** Crop Tolerance

    "One-Pass" Tank-Mixes with Residual Weed Control for Glyphosate Tolerant Hybrids Only
    Trade Name
    		 Field Bindweed Horsetail Milkweed Nut sedge Quackgrass Sow-thistle Canada thistle

    Galaxy4 (Emerged Weeds) ***G4

    Residual Weed Control

    7/8

    2

    –

    0

    8*

    0

    7*

    0

    9*

    7

    8*

    0

    9*

    0*

    Galaxy4 + atrazine** (Emerged Weeds) ***G4

    Residual Weed Control

    7/8

    2

    –

    0

    8*

    0

    7*

    0

    9*

    7

    8*

    0

    9*

    0

    glyphosate4 + atrazine
    (Emerged Weeds) ***E4

    Residual Weed Control

    7/8

    2

    –

    0

    8*

    0

    7*

    0

    9*

    0

    8*

    0

    9*

    0

    glyphosate4 + Callisto + Aatrex Liquid 480
    (Emerged Weeds) ***E4

    Residual Weed Control

    7/8

    2

    –

    0

    8*

    0

    7*

    0

    9*

    0

    8*

    0

    9*

    0

    glyphosate4 + Impact + atrazine
    (Emerged Weeds) ***E4

    Residual Weed Control

    7/8

    0

    –

    0

    8*

    0

    7*

    0

    9*

    0

    8*

    0

    9*

    0

    glyphosate4 + Marksman or Propero***E4
    (Emerged Weeds)

    Residual Weed Control

    7/8

    2*

    –

    0

    8*

    0

    7*

    0

    9*

    2

    8*

    2

    9*

    2

    glyphosate4 + Primextra II Magnum
    (Emerged Weeds) ***E4

    Residual Weed Control

    7/8

    0

    –

    0

    8*

    0

    7*

    3

    9*

    0

    8*

    0

    9*

    0

    Halex GT + Aatrex
    (Emerged Weeds) ***E4

    Residual Weed Control

    7/8

    2

    –

    0

    8*

    0

    7*

    3

    9*

    0

    8*

    0

    9*

    0

* Indicates the weed is listed on the product label for control or suppresssion.
** Various formulations available, see Table 1, Herbicides Used in Ontario.
– Insufficient information available to make a rating.
4 For use on "Roundup Ready" corn (glyphosate tolerant) only. See Table 9-7. Glyphosate product rates and tank-mix partners for use on glyphosate tolerant "Roundup Ready" corn for a list of registered products and tank-mixes.
*** Crop Tolerance

Related Links


For more information:
Toll Free: 1-877-424-1300
Local: (519) 826-4047
E-mail: ag.info.omafra@ontario.ca
Author: OMAFRA Staff
Creation Date: 25 November 2002
Last Reviewed: 30 January 2010