Zone de Texte: Additional controls in Scotland - aphid monitoring programme Zone de Texte: Myzus persicae Zone de Texte: Potato aphid incidence in crops is monitored


Seed crops above a threshold (>10 aphid colonies per 105 leaves) are subject to compulsory post-harvest tuber tests


Compulsory burn down of seed crops in years when aphid populations are  excessive Zone de Texte: SASA ??Crown Copyright

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