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New Diseases in The UK  - Posted By

Sally Pemberton

NEW TREE DISEASES IN THE UK


Acute  oak decline  ( AOD )


Chalara dieback of ash


Sweet Chestnut Blight ( Cryphonectria parasitica )


Dothistroma needle blight


Dutch Elm Disease ( DED )


Phytophthora alnii  ( affects alder, ship hotel  car park )


Phytophthora austrocedri ( affects juniper )


Phytophthora lateralis ( affects lawsons cypress )


Phytophthora cactorum  + plurivora  (  basal bleeding on many species )


Phytophthora ramorum  ( affects Japanese larch )


Phytophthora kernoviae


Bleeding Canker of Horse Chestnut


Coryneum canker


Massaria of London  Plane


NEW TREE PESTS IN UK


Asian Longhorn Beetle (  small area of kent )


Great Spruce Bark Beetle


Horse Chestnut Leaf Miner


Oak Pin Hole Borer


Oak Processionary  Moth ( OPM , health hazard )


Brown Tail Moth ( health hazard )


Pine tree Lappet Moth


Cypress aphid  ( common on leylandii hedges )