Do not plant canola seed from infested land. Tilt has been shown to reduce blackleg infestation levels. There are currently no blackleg tolerant Polish varieties available. In areas where blackleg is prevalent, choose varieties with a 1 or 2 rating. In areas, where virulent blackleg is at low levels or has not been found, all registered varieties are suitable.
All varieties listed have ratings for tolerance to blackleg.
The disease is not as severe, and yield losses are not great compared to the more susceptible varieties. All laboratories follow a uniform seed testing procedure. Tolerant and susceptible canola on blackleg infested land. Numbers in brackets reflect disease ratings. The user of this information agrees to the terms and conditions in the copyright and disclaimer .