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

Excerpt from 2008 Chapter 18, Publication 75, Guide to Weed Control, Order this publication

Table 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. Velpar
8. Roadsides & Brush Control Herbicide Rating Tables
   • Susceptibility of Woody Plants to Various Herbicides & Mixtures as Foliage Sprays (Table 18-1) (PDF 51k)
   • Classification of Weeds According to Response to Various Foliage Sprays (Table 18-2) (PDF 62k)
9. Related Links

Precautions

• Apply in sufficient water (100 to 550 L/ha (40 to 220 L/ac)) to wet all foliage during periods of active growth.

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Precautions

• Apply this rate on sands and snady loam soils.

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Precautions

• Apply this rate on clays or high organic soils.

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  Hyvar X-L

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

  Precautions

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

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  Karmex

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

  Precaution

  • Plantain is not adequately controlled by Karmex.

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  Krovar

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

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  Velpar

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

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  Related Links

  • Weeds in Ontario
  • Problem Weed Control in Field Crops
  • Integrated Pest Management (IPM)
  • Pesticide Application and Safety
  • Pesticide Companies and Agents
  • OMAFRA Sprayer Calibration Calculator
  • Search the PMRA website
  • OMAFRA Publication 505: Ontario Weeds
  • OMAFRA Publication 75: Guide To Weed Control

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