Sussing sclerotica sprays

摘要

Have you managed to keep scle-rotinia disease out of your oilseed rape crops this season, or are the telltale white stem lesions starting to show? Hopefully, yield loss to the disease is limited. Few growers would have had the confidence to omit a fungicide programme around flowering to control Sclerotinia scle-rotiorum in this particularly cool and damp season, believes Caroline Young of ADAS. "It stayed cool and wet for large parts of April, May and June, which not only prolonged flowering, but also the opportunity for sclerotinia infection. If you first sprayed at early flowering, you'd have needed to follow up three weeks later. In both England and Scotland, the risk of infection continued into June."