The STIHL encyclopaedia of tree diseases

Our new diagnostic tool will help you to identify the damage suffered by your woody plant, what has caused it and which preventive or immediate measures can be taken to control it.

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Diagnosis of the damage according to type of plant:

Abele, White Poplar Alaska Cedar, Nootka Cypress Alder Buckthorn American Arborvitae, White Cedar American Sycamore, Buttonwood Amur Cork Tree Apple Tree Arolla Pine, Swiss Stone Pine Ash-leaved Maple, Box Elder Atlas Cedar Austrian Pine, European Black Pine Bald Cypress, Swamp Cypress Balsam Poplar Beautybush Bhutan Pine, Blue Pine Billiard Spirea Bird Cherry Black Cherry, Wild Rum Cherry Black Elder, Bourtree, Common Elder, Elderberry, European Elder Black Locust, False Acacia, Locust Black Poplar Black Walnut Blackthorn, Sloe Blue Douglas Fir Blue Noble Fir Bodinier Beautyberry Bodnant Viburnum Border Forsythia Bottlebrush Buckeye Bridal Wreath Bristle Cone Pine Burkwood Viburnum Butterfly Bush Caucasian Wing Nut Cedar of Lebanon Cherry Laurel Cherry Plum, Purple Leaf Plum Chilean Pine, Monkey Puzzle Christmas Tree, Norway Spruce Climbing Hydrangea Cockspur Thorn Colorado Spruce Common Alder Common Ash Common Aspen Common Beech Common Box, European Box Common Dogwood Common Hawthorn, Quickthorn Common Holly, English Holly Common Hornbeam Common Juniper Common Laburnum Common Lilac Common Oak, English Oak, Pedunculate Oak Common Osier Common Pear, Wild Pear Common Privet Common Snowball, European Snowball, Guelder Rose Common walnut Common Whitebeam Copper Beech, Purple Beech Cornelian Cherry Creeping Cotoneaster Dawn Redwood Deodar Cedar Deutzia Rose Dove Tree, Handkerchief Tree Downy Birch Dwarf Mountain Pine Eastern Hemlock, Canadian Hemlock, Hemlock Spruce Eastern White Pine, Weymouth Pine Empress Tree, Foxglove Tree, Princess Tree English Elm Eurasian Smoketree, Smoke Bush European Barberry, Common Barberry European Larch European Silver Fir European White Elm European Yew, Common Yew February Daphne Field Maple, Common Maple, Hedge Maple Fig, Common Fig Flowering Dogwood Fragrant Viburnum Gean, Wild Cherry Giant Arborvitae, Western Red Cedar Giant Sequoia, Sierra Redwood, Big Tree Glory Bower, Harlequin Glory Bower Golden Weeping Willow Grand Fir, Lowland Fir Grey Alder Hazel Hiba Arborvitae Hibiscus, Rose of Sharon Honey Locust Horse Chestnut Hydrangea Aspera Incense Cedar Indian Bean Tree, Southern Catalpa Italian Alder Japanese Barberry Japanese Bitter Orange Japanese Cedar Japanese Cherry, Oriental Cherry Japanese Larch Japanese Maple Japanese Mock Orange Japanese Pagoda Tree, Chinese Scholar Tree Japanese Red Pine Japanese Spiraea, Japanese Medowsweet Japanese Yellow Rose, Japanese Kerria Judas Tree Katsura Tree Kentucky Coffee Tree Kilmarnock Willow Korean Fir Korean Spice Viburnum Kousa Dogwood, Japanese Dogwood Large-leaved Lime, Bigleaf Linden Laurustinus, Lauristine Lawson Cypress Leatherleaf Viburnum Lombardy Poplar Maidenhair Tree Mature Coast Redwood, California Redwood Maule's Quince, Japanese Quince Medlar Midland Hawthorn Mountain Ash, Rowan Nordmann Fir, Caucasian Fir Norway Maple Oldfashioned Weigela Oregon Grape Peach Persian Ironwood Quince Red Elderberry Red Horsechestnut Red Maple Red Oak Red-barked Dogwood Red-flowering Currant Scarlet Firethorn Scotch Broom Scots Pine Sea Buckthorn Serbian Spruce Serviceberry, Snowy Mespilus, June Berry Sessile Oak Shrubby Cinquefoil, Bush Cinquefoil Silver Birch Silver Lime, Silver Linden Silver Maple Sitka Spruce Small-leaved Lime, Small-leaved Linden Snakeskin Maple Snowberry Southern Magnolia, Evergreen Magnolia Spanish Chestnut, Sweet Chestnut Spindle Tree "Red Cascade" Stag's Horn Sumach, Velvet Sumach Stone Pine Swedish Whitebeam Sweet Gum Sweet Mock Orange, English Dogwood Sycamore Tree of Heaven True Service Tree Tulip Tree Turkey Oak Turkish Hazel Turners Oak Wayfaring Tree Weeping Beech Western Hemlock, Pacific Hemlock, Lowland Hemlock White Fir, Colorado White Fir White Mulberry, Common Mulberry White Willow Wild Service Tree Winter Hazel Winter Jasmin Witch Hazel Wych Elm, Scotch Elm

Search based on cause of the damage:

Tree fungus Insect Fungus Others

Artist's bracket Birch polypore Black bulgar Bleeding broadleaf crust Bleeding conifer crust Blushing bracket Carbon cushion Chicken of the woods Conifer mazegill Dark honey fungus Dryad's saddle Giant polypore Hairy bracket Jew's ear fungus Lumpy bracket Oyster mushroom Red banded polypore Scalycap Shaggy bracket Smoky bracket Spring hazelcup Tinder bracket Turkey tail Velvet shank Willow bracket