Disease · 19 plants in our database
Fire blight
Erwinia amylovora
Which plants
Where you will find it.
Signs and protection differ by plant — the exact steps are on each plant’s page.
AppleMalus domesticaSpring – autumnFlowers wilt and die during flowering, shoots bend over like a shepherd's crook. Under the bark the wood is reddish-brown, with a slimy ooze in damp weather. A quarantine pest: report it to your national plant-protection authority.
Protection for this plant →
Apple on M26/MM106 rootstock (semi-dwarf)Malus domesticaSpring – autumnFlowers wilt and die during flowering, shoots bend over like a shepherd's crook. Under the bark the wood is reddish-brown, with a slimy ooze in damp weather. A quarantine pest: report it to your national plant-protection authority.
Protection for this plant →
Apple on M9 rootstock (dwarf)Malus domesticaSpring – autumnFlowers wilt and die during flowering, shoots bend over like a shepherd's crook. Under the bark the wood is reddish-brown, with a slimy ooze in damp weather. A quarantine pest: report it to your national plant-protection authority.
Protection for this plant →
Callery pearPyrus calleryanaFrom late spring to autumnBlossoms and shoots suddenly turn black and hang as if scorched, sticky white fluid oozes from the infections; sunken cankers form.
Protection for this plant →
Columnar apple treeMalus domesticaSpring – autumnFlowers wilt and die during flowering, shoots bend over like a shepherd's crook. Under the bark the wood is reddish-brown, with a slimy ooze in damp weather. A quarantine pest: report it to your national plant-protection authority.
Protection for this plant →
Common hawthornCrataegus monogynaSpring – autumnFlowers wilt and die during flowering, shoots bend over like a shepherd's crook. Under the bark the wood is reddish-brown, with a slimy ooze in damp weather. A quarantine pest: report it to your national plant-protection authority.
Protection for this plant →
Common medlarMespilus germanicaFrom late spring to autumnWilting and black-brown discolouration of blossom and shoots, hooked (shepherd's crook) shoot tip, amber drops of slime in damp warmth.
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Common ninebarkPhysocarpus opulifoliusWilting of blossom and shoots, slimy ooze, looks scorched.
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Common pearPyrus communisFrom late spring to autumnBlossoms and shoots suddenly turn black and hang as if scorched, sticky white fluid oozes from the infections; sunken cankers form.
Protection for this plant →
Fraser photiniaPhotinia × fraseriWilting and black-brown discolouration of blossom and shoots, hooked (shepherd's crook) shoot tip, amber drops of slime in damp warmth.
Protection for this plant →
Japanese crabappleMalus × floribundaSpring – autumnFlowers wilt and die during flowering, shoots bend over like a shepherd's crook. Under the bark the wood is reddish-brown, with a slimy ooze in damp weather. A quarantine pest: report it to your national plant-protection authority.
Protection for this plant →
Japanese flowering-quinceChaenomeles japonicaFrom late spring to autumnShoots die back.
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JuneberryAmelanchier × lamarckiiFrom late spring to autumnShoots die back and look scorched; worse in wet springs.
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Midland hawthornCrataegus laevigataSpring – autumnFlowers wilt and die during flowering, shoots bend over like a shepherd's crook. Under the bark the wood is reddish-brown, with a slimy ooze in damp weather. A quarantine pest: report it to your national plant-protection authority.
Protection for this plant →
QuinceCydonia oblongaSpring – autumnWilting of blossom and shoots, slimy ooze, looks scorched.
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RowanSorbus aucupariaFrom late spring to autumnBlossoms and shoots suddenly turn black and hang as if scorched, sticky white fluid oozes from the infections; sunken cankers form.
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WhitebeamSorbus ariaFrom late spring to autumnBlossoms and shoots suddenly turn black and hang as if scorched, sticky white fluid oozes from the infections; sunken cankers form.
Protection for this plant →
Willow-leaved pearPyrus salicifoliaFrom late spring to autumnBlossoms and shoots suddenly turn black and hang as if scorched, sticky white fluid oozes from the infections; sunken cankers form.
Protection for this plant →











