Improved phoma forecast suggests late disease onset

The 2021 forecast has been refined, partly in response to industry concerns that the service had become disconnected from field realities.

How to manage phoma in oilseed rape

Learn about the drivers of risk and management options

Leaves, flowers, stems and pods may all show symptoms of infection

When use is necessary, a well-timed fungicide is an important part of control

Watch out for phoma leaf spot in winter oilseed rape, as current risk could be higher than you think.

Access disease management guidance for oilseed rape from this page