Teagasc Crop Report

Grassland Weed Control Reference Guide

Grassland Weed Control Reference Guide

Wednesday 18th December 2019
(Updated Tuesday 30th June 2020)
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Integrated Pest Management

Integrated Pest Management

Adoption of an Integrated Pest Management (IPM) approach where cultural control methods are considered before the use of pesticides is essential to sustainable weed control in grassland. A competitive sward will compete with weeds and leads to an overall reduction in weed infestation.

Use of pesticides should be the final piece of an overall IPM plan.

Simple IPM measures that should be considered;

  • Growing more grass will limit space for weeds,
  • Ensure pH, P & K are at optimum levels,
  • Limit poaching,
  • Identify underlining causes of waterlogging and put drainage in place,
  • Topping weed before they go to seed.

Dock Control

Dock Control

Use of herbicides should be the final piece of an overall IPM plan.

Simple IPM measures that should be considered;

  • Growing more grass will limit space for weeds,
  • Ensure pH, P & K are at optimum levels,
  • Limit poaching,
  • Identify underlining causes of waterlogging and put drainage in place,
  • Topping weed before they go to seed.

Docks in Grassland

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