Sclerotinia infection in stem© Blackthorn Arable
An early warning scheme for the potentially devastating disease sclerotinia stem rot in oilseed rape is being refined to alert growers to this threat, which can cut yields by up to 80%. The disease, which is encouraged by warm, showery weather during flowering, can be more of a problem in the wetter West than further east, and this has prompted more work to improve prediction. In the bad disease year of 2007, yields in crops not treated with fungicides fell […]
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