Phoma leaf spot in OSR: Management and fungicide timings

ADAS crop pathologist Philip Walker reports from our fungicide performance trial series for AHDB in Norfolk looking at the autumnal oilseed rape crop disease - Phoma leaf spot. Phil shares what phoma leaf spot is, how it develops into stem cankers, and when to take action with fungicides.
0:00 Introduction
0:29 How to spot phoma leaf spot
1:16 How does phoma leaf spot develop
3:05 How to manage
4:45 Fungicide timings
6:30 What is being tested as part of the AHDB fungicide performance trial series