Cabbage stem flea beetle on leaf
Latest national monitoring of pest damage in oilseed rape plants has highlighted an increase in numbers of cabbage stem flea beetle larvae found in northern parts of England. The Food and Environment Research Agency (Fera) carries out oilseed rape pest assessments in both the autumn and spring for cabbage stem flea beetle and rape winter stem weevil larvae. In autumn, 25 plants are taken from 100 sites around the country and destructively sampled for petiole scarring caused by flea beetle […]
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