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Chemical Application


As with all chemicals, wear the appropriate clothing and follow all instructions on the product labels.

Before choosing your method of bracken control take into consideration the following:

  • The Type of ground to be treated?
  • Is it on or near a designated site? For example: Nature Reserve, National Park, AONB, SSSI, ASSI, SPA or SAC.
  • Is there an Archaeological site on the area to be treated?
  • Is it near a water source?
  • Are there animals grazing on or near the area to be treated?
  • Are there public footpaths?
  • Are there food crops nearby?
  • Is there a forestry site around or near the area to be treated?


Aerial Application

Control by aerial spraying is most successful where there are large areas of bracken, and can often prove to be a valid and cost effective option, but if you have answered yes to any of the above this may not be the best option for you.

Tractor or quad bike

Vehicle Mounted Atomisers & Sprayers are available and this method will suit areas that are too large for hand sprayers or in areas where Aerial Spraying is not a valid option. Do not use tractors or quad bikes on steep slopes or on ground where there is an Archaeological site.

Asulam concentrations in hand-held equipment

Note that under the asulam label issued with recent Emergency Authorisations the concentration of Asulam for use in hand-held euipment has been restricted to 1 part of Asulam to 100 parts of water. This is different to the uses that had developed prior to the change of status of Asulam at the end of 2012.

For more information about the use of hand-held equipment see the briefing prepared by Roderick Robinson on the Information page.

Knapsack / handheld Sprayers

Suitable for smaller areas. This method is suitable for archaeological sites and for follow-up treatment on limited areas.

For information on handheld sprayers and other equipment follow this link:

Please note that  the Micron ULVA (ultra low volume applicator) is no longer authorised to apply Asulam.

Specialist Advice

Specialist advice should be sought when choosing your method of bracken control. For the details of a contractor see the lists for aerial & ground based contractors on the Contractors page in the Home menu.  If you cannot find anyone suitable, please contact us as we may be able to help.