Arable News

  • Written by: Farmers Guide
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Increased flexibility in spring spraying

Dow AgroSciences has gained approval for tank mixing its broad-leaved weed herbicide Spitfire (florasulam + fluroxypyr) with grass weed herbicides that contain iodosulfuron + mesosulfuron to provide increased flexibility and simplicity this spring, says the company.

For farmers with a high spring workload to catch up on grass weed control and address the spring flush of broad-leaved weeds, especially cleavers, the new recommendation offers improved efficacy and economy.

To add the recommendation to the Spitfire label, Dow had to gain approval from the Chemicals Regulation Directorate (CRD) to show adding the two products together did not impair broad-leaved or grass weed control. In addition, tank cleaning studies had to be undertaken to ensure no excess build-up of ALS residues.

Farmers looking to control cleavers can add 0.5 litres/ha of Spitfire to an iodosulfuron + mesosulfuron application, says Dows cereal herbicide specialist Stuart Jackson. After frosts, the rate of Spitfire should be increased to 0.6 litres/ha. The florasulam part of Spitfire enhances activity in colder weather, thus suiting early season application.

Spitfire will also control a number of other headache weeds including volunteer beans, chickweed and brassica weeds. Its label lists compatibility with iodosulfuron +mesosulfuron products including Atlantis WG, Horus, Hatra, Klaxon, Pacifica and Othello.


  • Written by: Farmers Guide
  • Posted:
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