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These terms define your current search. Click the × to remove a term. Health and Pathology: plant health > signs and symptoms (plants) > cankers (plants) > stem cankers × 42 items, grouped by Government, Law and Regulations (view ungrouped items) government and administration (1)    (Click to View) Geographic variation in severity of phoma stem canker and Leptosphaeria maculans/ L. biglobosa populations on UK winter oilseed rape (Brassica napus) European journal of plant pathology