Herbicide Recommendations for Woody Nursery Stock (Field Grown): Soil Applied Grass Herbicides


Pub 75: Guide to Weed Control > Nursery and Ornamental Crops > Herbicide Recommendations for Woody Nursery Stock (Field Grown): Soil Applied Grass Herbicides


Excerpt from 2010-2011 Chapter 16, Publication 75, Guide to Weed Control, Order this publication

Cover of Publication 75, Guide to Weed ControlTable of Contents

  1. Kerb
  2. Dual II Magnum
  3. Related Links

 

 

Kerb
Trade Name
Active Ingredient propyzamide
Formulation 50 WP
Rate per hectare (active) 1.5 kg/ha
Rate per hectare (product) 3 kg/ha
Rate per acre (product) 1.2 kg/ac

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

  • PRE - Apply in the late fall when the soil temperature is low but above freezing.
  • Soil moisture should be high.
  • This herbicide is absorbed through the roots.
Dual II Magnum
Trade Name
Active Ingredient s-metolachor/benoxacor
Formulation 915 g/L
Rate per hectare (active) 1.14 - 1.6 kg/ha
Rate per hectare (product) 1.25 - 1.75 L/ha
Rate per acre (product) 0.5 - 0.7 L/ac

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

  • PRE - Apply in at least 150 L of water.
  • Apply to soil prior to bud break of nursery stock.
  • Do NOT apply within 4 weeks of bud burst or until the needles have hardened.
  • For use on white spruce, Norway spruce, black spruce, white pine, Jack pine and red pine seedlings in their second year or older.
  • Also for use on poplar stoolbeds.
  • May have postemergent properties if applied to weeds before they reach the 2 leaf stage.

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: 18 June 2010