Herbicide Recommendations for Vegetation Control - Long Term Non-selective: Bare Areas


Pub 75: Guide to Weed Control > Roadsides and Non-Crop Areas > Herbicide Recommendations for Vegetation Control - Long Term Non-selective: Bare Areas


Excerpt from 2010-2011 Chapter 18, Publication 75, Guide to Weed Control, Order this publication

Cover of Publication 75, Guide to Weed ControlTable of Contents

  1. Arsenal
  2. Diurex for sandy soils
  3. Diurex for clay and high organic soils
  4. Hyvar X-L
  5. Karmex
  6. Krovar
  7. Payload WDG + Glyphosate
  8. Velpar
  9. Related Links
Arsenal
Trade Name
Active Ingredient imazapyr
Formulation 240 g/L
Rate per hectare (active) 0.72 kg/ha
Rate per hectare (product) 3 L/ha
Rate per acre (product) 1.2 L/ac

Precautions (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).

  • Apply in sufficient water (100-550 L/ha (40-220 L/ac)) to wet all foliage during periods of active growth.
    Diurex 80WDG
    Trade Name Diurex 80WDG
    Active Ingredient diuron
    Formulation WP
    Rate per hectare (active) 8.8 - 22 kg/ha
    Rate per hectare (product) 11 - 27.5 kg/ha
    Rate per acre (product) 4.4 - 11 kg/ac

Precautions (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).

  • Apply this rate on sands and sandy loam soils.
    Diurex 80WDG
    Trade Name Diurex 80WDG
    Active Ingredient diuron
    Formulation WP
    Rate per hectare (active) 32 - 44 kg/ha
    Rate per hectare (product) 40 - 55 kg/ha
    Rate per acre (product) 16 - 22 Kg/ac

Precautions (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).

  • Apply this rate on clays or high organic soils.

       

Hyvar X-L
Trade Name
Active Ingredient bromacil
Formulation 240 g/L
Rate per hectare (active) 6.16 - 10.8 kg/ha
Rate per hectare (product) 25.7 - 45 L/ha
Rate per acre (product) 10.3 - 18 L/ac

Precautions (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69)

  • Mullein is not adequately controlled by HYVAR X-L.

          • Karmex
            Trade Name
            Active Ingredient
            diuron
            Formulation
            80 DF
            Rate per hectare (active)
            11.2 - 44 kg/ha
            Rate per hectare (product)
            14 - 55 kg/ha
            Rate per acre (product)
            5.6 - 22 kg/ac

Precaution (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).

  • Plantain is not adequately controlled by KARMEX.

        • Krovar
          Trade Name
          Active Ingredient bromacil/diuron
          Formulation 80 DF (1:1)
          Rate per hectare (active) 10.8 - 14.4 kg/ha
          Rate per hectare (product) 13.5 - 18 kg/ha
          Rate per acre (product) 5.4 - 7.2 kg/ac

         

        Payload WDG + Glyphosate
        Trade Name
        Active Ingredient
        flumioxazin
        + glyphosate
        Formulation
        51.1%
        360 g/L
        Rate per hectare (active)
        0.143 - 0.286 kg/ha
        + 1.2 kg/ha
        Rate per hectare (product)
        280 - 420 g/ha
        3.3 L/ha
        Rate per acre (product)
        112 - 168 g/ac
        1.3 L/ac

Precaution (For more information, see Chapter 4. Herbicides Used in Ontario, page 23 and Chapter 5. Notes on Adjuvants, page 69).

  • Do NOT apply on soils with greater than 5% organic matter, or fine textured soils.
    Do NOT apply to farm alleys or roads where traffic may result in treated dust settling onto crops or other desirable vegetation.
    Do NOT apply with 100 metres of non-dormant pears.
    Do NOT make more than two applications per growing season.
    • Apply high rate to medium textured soils.
    • Apply low rate to coarse textured soils.
    • This tank-mix provides residual control only for pigweed spp. common ragweed, lamb’squarters,
    green foxtail, hairy nightshade, dandelion and Eastern black nightshade.

      • Velpar
        Trade Name
        Active Ingredient hexazinone
        Formulation 90 SP
        Rate per hectare (active) 4.05 - 8.1 kg/ha
        Rate per hectare (product) 4.5 - 9 kg/ha
        Rate per acre (product) 1.8 - 3.6 L/ac
         

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: 16 June 2010