Spraying oilseed rape© Tim Scrivener
Light leaf spot, oilseed rape’s most damaging disease, could be a serious problem this autumn because of the wet weather, which is likely to encourage its spread. The disease, which can cut yields in half if left untreated, is a threat in particular for those growers who drilled early to counter pest threats. Some growers drilled early to get crops growing strongly before cabbage stem flea beetle attacks were likely, but this could give crops a longer period of exposure […]