Deciding when is the best time to apply a flowering oilseed rape fungicide for sclerotinia control can prove difficult. Sarah Henly asks lead researcher Caroline Young how treatment timings may be improved in the future. Some areas of the UK were at risk from sclerotinia infection last month, but cool nights kept many oilseed rape crops out of danger, believes ADAS’ Caroline Young. Rainfall in early May allowed many sclerotia to germinate in the soil surrounding oilseed rape crops, producing black […]