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The Problem

Coming out of another mild winter with most crops looking promising but with current prices remaining depressed it is important to maximise the good potential for an effective return. Whilst Sclerotinia is usually the main disease to affect OSR plants at flowering, light leaf spot (LLS) continues to increase in terms of incidence, severity and geographical spread

What are the consequences of not protecting the upper canopy from LLS?


Bayer recommends:

Light leaf spot control

  • Inspect crops from January onwards for follow up LLS treatment. Spray with Proline275 0.32-0.46 L/ha as soon as LLS is seen pre stem extension or at 15% plants affected at early stem extension
  • If LLS infections remain into flowering then it is essential to use a fungicide with proven activity against this disease, such as Proline275 to help protect the pods.

Sclerotinia control

  • A two-spray protectant approach is optimal when conditions are conducive to an epidemic (high disease pressure and extended flowering).
  • Proline275 provides the most cost effective and persistent Sclerotinia control.  The first Sclerotinia spray aimed at early to mid flowering has the biggest effect on yield.  Plan a second Sclerotinia spray 3 weeks later if high pressure persists and flowering is extended.

Proline275 provides the broadest spectrum and most cost effective disease control at flowering