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Latin name: Ganaderma adspersum Common Name: Artists Fungus Where : Below 2 metres Who: Hardwoods, softwoods, living and dead How: White rot at first in some cases then also developing into heart rot (Selective Delignification)

Tree Disease power point

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A presentation to show some of the various diseases found here on the trees within the UK.

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Page 1: Tree Disease power point

Latin name: Ganaderma adspersum Common Name: Artists FungusWhere : Below 2 metres Who: Hardwoods, softwoods, living and deadHow: White rot at first in some cases then also developing into heart rot (Selective Delignification)

Page 2: Tree Disease power point

Latin name: Phaeolus schweinitzii

where: Root and then butt rot. who : Conifers usually predisposed by armallaria spp.How: Decay fungus that rots the roots enters through wounds causing a cubicle brown rot smelling of turpentine.

Page 3: Tree Disease power point

Latin name: Piptoporus betulinus Common Name: Birch polyporewhere: Main stem and larger scaffold branches. Who: All birch trees (Betulus spp.)How: Cubicle brown rot.

Page 4: Tree Disease power point

Latin name: Erwinia amylovora

Where: Canopy Primarily enters through blossom during pollination Who: Fruit trees prunusHow: Bacterial infection

Page 5: Tree Disease power point

Latin name: Rhytisma acerinum

Where: leavesWho: Acer spp.How: Fungus which overwinters in the leaves

Page 6: Tree Disease power point

Latin name: Cryptococcus fagisugaCommon Name: Felted Beech Scale (Coccus)

Where: On the trunk (mainly on the bark)Who: Fagus sylvatica (but Variants can be resistant)How: Malformation/pitting of bark (Larvae)- the first stage of Beech bark disease.

Page 7: Tree Disease power point

Latin name: Inonotus hispidus where: Upper Stem and trunkwho: Broad leafs , Ash, Plane how: Simultaneous white rot resulting in a

brittle fracture.

Page 8: Tree Disease power point

Latin Name: Nectria cinnabarinaCommon Name: Coral spot

Where: Usually found on dead woodWho: Will migrate to living tissue via pruning

snags and frost damaged twigs.How: In living block the xylem vessels,

preventing the flow of water and causing wilting.

Page 9: Tree Disease power point

Latin Name: Verticilium wilt

Where: Vascular tissuesWho: Mainly on BroadleavesHow: Soil borne fungi spores spread systemically within the structure of the tree/plant .

Page 10: Tree Disease power point

Latin Name: Dohistroma septosporumCommon name: Red Band Needle Blight

Where: Foliage (pine needles). Who: Conifers, Pinus spp.How: Fungal infection (tar spots)

spread through spores.

Page 11: Tree Disease power point

Latin Name: Ustulina deusta / Kretzschmaria deusta

Where: Below 1.5m on the butt in the buttresses.Who: Mostly on Beech and LimeHow: Degrades cells across the stem causing a brittle China fracture.

Page 12: Tree Disease power point

Latin Name: Meripilus giganteusCommon Name: Giant Polypore

Where: Roots and buttWho: Broad leaved trees, (very common on Mature Beech)How: White rot on roots (causes root plate failure)

Page 13: Tree Disease power point

Latin Name: Taphrina deformansCommon Name: Peach Leaf Curl

Where: Foliage and canopyWho: Prunus Dulcis (Almond) and peach treeHow: A fungal pathogen that deforms the leaf and causes crop loss.

Page 14: Tree Disease power point

Latin Name: Ophiostoma novo ulmiCommon Name: Dutch Elm Disease

Where: Vascular tissues bark and foliage. Who: Ulmus spp. (resistant Ulmus hybrids available).How: Fungal spores spread through root grafts and the Elm bark beetle.