Risk Background
Quarantine pathogens of Prunus spp.
Effective 14 July 2015 to 5 November 2015Bacteria
There are two bacterial diseases that are considered to be quarantinable in Prunus: -
Erwinia amylovora |
Fireblight |
Pseudomonas syringae pv. Amydali |
Bacterial canker of almond |
Pseudomonas syringae pv. Persicae |
Bacterial canker of peach |
Xylella fastidiosa |
Plum - almond leaf scorch |
Fungi
More than 300 fungi affect Prunus and the following are considered quarantinable:-
Alternaria citri |
Blossom end rot |
Apiognomonia erythrostoma |
Gnomoniosis |
Apiosporina morbosa |
Black knot |
Armillaria tabescens |
Wood rot |
Auerswaldiella puccinioides |
Leaf blister |
Blumeriella jaapii |
Cherry leaf spot |
Catenophora pruni |
Twig canker |
Cercospora rubrotincta |
Leaf spot |
Corilopsis gallica |
White rot |
Cristulariella pruni |
Zonate leaf spot |
Cylindrosporium nuttallii |
Leaf spot |
Cytospora leucosperma |
Twig canker |
Diaporthe decorticans |
Canker |
Diaporthe pennsylvanica |
Limb canker |
Diaporthe pruni |
Twig canker |
Diaporthe prunicola |
Twig canker |
Diplodia pruni |
Twig blight |
Diplodia vulgaris |
Twig blight |
Diplodina persicae |
Diplodinia fruit rot |
Fomes fomentarius |
Trunk rot |
Fomitopsis cajanderi |
Brown cubical rot |
Fomitopsis pinicola |
Brown cubical rot |
Fomitopsis rosea |
Brown pocket rot |
Fomitopsis spraguei |
Brown cubical rot |
Ganoderma lucidum |
Butt rot |
Ganoderma zonatum |
Basal trunk rot |
Gloeocystidiellum porosum |
White rot |
Gloephyllum sepiarium |
Brown rot |
Gloephyllum trabeum |
Brown rot |
Helicobasidium mompa |
Violet root rot |
Hendersonula toruloidea |
Canker |
Irpex lacteus |
Wood rot |
Laetiporus sulphureus |
Brown cubical rot |
Lasiodiplodia theobromae |
Gumming disease |
Laxitextum bicolor |
White rot |
Leucostoma cincta |
Perennial canker |
Leucotelium pruni-persicae |
Leucotelium white |
Maireina marginata |
Twig blight |
Melanconium cerasinum |
Twig blight |
Meruliopsis corium |
Trunk rot |
Monilia angustior |
Shoot blight |
Monilia kusanoi |
Monilinia leaf blight |
Monilinia fructigena |
Brown rot |
Monilinia seaveri |
Leaf blight |
Morrisographium persicae |
Leaf spot |
Mycocentrospora cladosporioides |
Leaf spot |
Mycosphaerella cerasella |
Leaf spot |
Mycosphaerella nigerristigma |
Leaf spot |
Mycosphaerella pruni-persicae |
Frosty mildew |
Nectria galligena |
European canker |
Pestalotia adusta |
Leaf spot |
Pestalotia psidii |
Leaf spot |
Phellinus igniarius |
White heart rot |
Phellinus prunicola |
White rot |
Phialophora parasitica |
Dieback |
Phomopsis amygdali |
Constriction canker |
Phyllactinia guttata |
Powdery mildew |
Phyllosticta congesta |
Leaf blotch |
Phyllosticta psidii |
Leaf spot |
Phyllosticta serotina |
Leaf spot |
Phymatotrichopsis omnivora |
Texas root rot |
Polystigma rubrum |
Red leaf spot |
Postia balsamea |
Wood rot |
Rhodosticta quercina |
Rhodosticta canker |
Septoria pruni |
Leaf spot |
Steccherinum ochreceum |
Sapwood rot |
Taphrina flectans |
Witches broom |
Trichaptum biforme |
White rot |
Xylaria longiana |
Root rot |
Xylaria mali |
Root rot |
Viruses
The following viruses are considered to be of quarantine significance:-
American plum line pattern ilarvirus |
Cherry leaf roll nepovirus |
Cherry mottle leaf trichovirus |
Cherry rasp leaf nepovirus |
Myrobalan latent ringspot nepovirus |
Peach enation nepovirus |
Peach rosette mosaic nepovirus |
Plum pox (Sharka) potyvirus |
Raspberry ringspot nepovirus |
Tomato black ring nepovirus |
Tomato bushy stunt tombusvirus |
Tomato ringspot nepovirus |
Viroids
There are three viroids that affect Prunus viz. apricot ring pox, hop stunt viroid (plum dapple) and peach latent mosaic viroid (peach latent mosaic). Only apricot ring pox is considered to be of quarantine significance as the other two are recorded in Australia.
Phytoplasmas
Currently all Prunus phytoplasmas are considered to be of quarantine significance. There are many phytoplasmas reported on Prunus, however, it is likely many are caused by the same pathogen and require thorough assessment.
European stone fruit yellows phytoplasma |
Apricot chlorotic leaf roll phytoplasma |
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Peach yellows phytoplasma |
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Molieres disease |
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Peach red suture phytoplasma |
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Plum leptonecrosis phytoplasma |
X-Disease phytoplasma |
Cherry albino phytoplasma |
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Cherry blossom anomaly |
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Cherry Western X phytoplasma |
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Peach little peach |
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Peach rosette |
Apricot witches broom phytoplasma |
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Cherry lethal yellows |
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Cherry necrotic rusty mottle |
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Plum chlorotic leaf roll phytoplasma |
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