12 May 2022

Fungicide resistance management in winter wheat

With the winter wheat T2 timing near, plan now to protect modes of action from resistance.

7 May 2025

Cabbage stem flea beetle (CSFB) treatment thresholds in oilseed rape

Carefully targeted sprays are particularly essential for this beetle menace

16 June 2025

Monitoring and managing insecticide resistance in UK pests

The sensitivity of key pest species to insecticides is monitored by this long-term project.

21 February 2025

Black-grass with reduced sensitivity to glyphosate detected

Early signs of decreased sensitivity to the herbicide glyphosate have been detected in several black-grass field populations in England.

26 September 2018

Tool to guide cereal spray decisions this autumn

Pyrethroid sprays applied to cereals this autumn can now be timed better, thanks to a new tool from AHDB.

24 September 2018

CSFB with suspected pyrethroid resistance needed

People are being asked to submit live samples of cabbage stem flea beetle with suspected resistance to pyrethroid insecticides for free testing.

13 September 2018

Guidance highlights fragile nature of pyrethroids

Guidelines for the management of insecticide resistance in several key UK crops have been updated by the Insecticide Resistance Action Group (IRAG).

20 January 2026

The Insecticide Resistance Action Group (IRAG)

This web page hosts the latest guidance from the Insecticide Resistance Action Group (IRAG). The 'Download' button provides background. Scroll down for guidance.

26 January 2026

Cabbage stem flea beetle (CSFB) and its management in oilseed rape

A lack of effective chemical control means a firm grasp of this pest is essential

Contents tagged with resistance management