• Phoma leaf spot (90.4% crops and 42.9% plants affected) was the most common disease, and was encountered in all regions surveyed.



• Incidence of white leaf spot (20.2% crops and 5.7% plants affected) was higher than in the previous year, particularly in the Midlands & Western region where 94.7% crops were affected compared to 35.0% in 2002.



• Incidence of Alternaria at 11.7% crops and 1.2% plants affected was lower than in the previous year (30.3% crops and 3.7% plants were affected in 2002).



• Powdery mildew and ring spot were not found in any region. Powdery mildew has not been recorded in any spring crop since 1997.



• Botrytis was recorded in the Eastern region only.



• Light leaf spot was recorded in 38.3% crops and 11.5% plants which was slightly lower than in the previous year. The highest incidences were recorded in the Northern and the South Western regions.

Incidence of diseases on the leaf - % crops affected

Incidence of diseases on the leaf - % plants affected

Regional incidence of diseases on the leaf - % crops affected

Regional incidence of diseases on the leaf - % plants affected