In the autumn, peach-potato aphid can transmit Turnip Yellows virus which can lead to reduced yields. These peach-potato aphids and cabbage aphids may be found overwintering on rape, but they do not cause any feeding damage until the summer. Read more here.
Cabbage stem flea beetle has become more of a problem on Scottish winter oilseed rape crops. The beetles are most noticeable in mid August/early September, often being caught up in the rape harvest. Read more here.
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