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Table 10-1. Forage Herbicide Weed Control Ratings: Annual Grasses

Author: OMAFRA Staff
Creation Date: 25 November 2002
Last Reviewed: 10 May 2008

Pub 75: Guide to Weed Control > Forage Crops > Table 10-1. Forage Herbicide Weed Control Ratings: Annual Grasses

Excerpt from 2008 Publication 75, Guide to Weed Control, Order this publication

Cover of Publication 75, Guide to Weed ControlTable of Contents

  1. Soil Applied Grass Herbicides
  2. Postemergence Grass Herbicides
  3. Postemergence Broadleaf Herbicides
  4. Postemergence Grass and Broadleaf Herbicides
  5. Postemergent Tank-Mixes
  6. Forage Crops Herbicide Weed Control Ratings (Table 10-1) (PDF file - 62 kb)
  7. Other Herbicide Recommendations for:
  8. Stages of Leaf Development
  9. Related Links
Soil Applied Grass Herbicides
Trade Name Barnyard Grass Crab-grass Fall Panicum Giant Foxtail Green Foxtail Yellow Foxtail Witch Grass Wild Oats
Eptam (As,Bs)** 9* 9* 9* 9 9* 9* ? ?
Treflan, Rival, Bonanza (As) 9* 9* 9 9 9* 9* 9 8*
? - Insufficient information available to make a rating.
* - Indicates the weed is listed on the product label for control or suppression.
**Crop Registrations:
As - alfalfa (seedling only); Bs - birdsfoot trefoil (seedling only)

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Postemergence Grass Herbicides
Trade Name Barnyard Grass Crab-grass Fall Panicum Giant Foxtail Green Foxtail Yellow Foxtail Witch Grass Wild Oats
Achieve Liquid1 (Gs)** 8* ? ? ? 9* 9* ? 9*
Assure II1 (Ae) 9* 8 9 9 9* 9 9 ?
Venture L (A,B,C) 9* 8* 9* 8* 8* 8* 9* 9*
Kerb (Ae,Be) 8* 8* 6* ? 8* 8* ? ?
Poast Ultra (A,B,C) 9* 8* 9* 9 9* 9* 9* 8*
Select (As) 9* 8* 9* 9 9* 9* 9* ?
? - Insufficient information available to make a rating.
* - Indicates the weed is listed on the product label for control or suppression.
1 - For seed crops only.
**Crop Registrations:
A - alfalfa (seeding and established); As - alfalfa (seedling only); Ae - alfalfa (established only)
B - birdsfoot trefoil (seedling and established); Be - birdsfoot trefoil (established only)
C - clovers (seedling and established); Gs - forage grasses (seedling only)

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Postemergence Broadleaf Herbicides
Trade Name Barnyard Grass Crab-grass Fall Panicum Giant Foxtail Green Foxtail Yellow Foxtail Witch Grass Wild Oats
2,4-D** (G,S)*** 0 0 0 0 0 0 0 0
2,4-DB**, Caliber, Cobutox, or Embutox2,3 (A,B,C,G) 0 0 0 0 0 0 0 0
Banvel II, Oracle (G) 0 0 0 0 0 0 0 0
Basagran (As,Ae,S) 0 0 0 0 0 0 0 0
Infinity (Gs) 0 0 0 0 0 0 0 0
MCPA** (G) 0 0 0 0 0 0 0 0
Milestone (G) 0 0 0 0 0 0 0 0
Pardner (S) 0 0 0 0 0 0 0 0
Peakplus (S) 0 0 0 0 0 0 0 0
Tropotox Plus, Topside, or Clovitox Plus4 (C,G) 0 0 0 0 0 0 0 0

? - Insufficient information available to make a rating.
* - Indicates the weed is listed on the product label for control or suppression.
** - Various formulations available, see Table 4-1, Herbicides Used in Ontario.
2 - Do not use on sweet clover.
3 - On established legumes, use fall spot treatment only.
4 - Clovitox Plus and Topside not for established clovers.
***Crop Registrations:
A - alfalfa (seeding and established); As - alfalfa (seedling only); Ae - alfalfa (established only)
B - birdsfoot trefoil (seedling and established); C - clovers (seedling and established)
G - forage grasses and grass pasture; Gs - forage grasses (seedling only)
S - forage sorghum and pearl millet

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Postemergence Grass and Broadleaf Herbicides
Trade Name Barnyard Grass Crab-grass Fall Panicum Giant Foxtail Green Foxtail Yellow Foxtail Witch Grass Wild Oats
Gramoxone (Ae,Be)** 8 7* 9* ? 9* 9* ? ?
Princep Nine-T, Simadex, Simazine5 (Ae,Be,Ce) 6* 8* 8 ? ? 8* 8* 9*
Pursuit1 (As1,Ae) 8* 7* 7 7 9* 9* 8* 8
? - Insufficient information available to make a rating.
* - Indicates the weed is listed on the product label for control or suppression.
**Crop Registrations:
As - alfalfa (seedling only); Ae - alfalfa (established only)
Be - birdsfoot trefoil (established only); Ce - clovers (established only)

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Postemergence Tank-Mixes
Trade Name Barnyard Grass Crab-grass Fall Panicum Giant Foxtail Green Foxtail Yellow Foxtail Witch Grass Wild Oats
2,4-DB** + MCPA**2,3 (As)*** 0 0 0 0 0 0 0 0
Milestone + 2,4-D** (G) 0 0 0 0 0 0 0 0

** - Various formulations available, see Table 4-1, Herbicides Used in Ontario.
2 - Do not use on sweet clover.
3 - On established legumes, use fall spot treatment only.
***Crop Registrations: As - alfalfa (seedling only); G - forage grasses and grass pasture

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Related Links

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