List of apple diseases
Diseases of apples (Malus domestica) include:
Bacterial diseases
Bacterial diseases | |
---|---|
Blister spot | Pseudomonas syringae pv. papulans |
Crown gall | Agrobacterium tumefaciens |
Fire blight | Erwinia amylovora |
Hairy root | Agrobacterium rhizogenes |
Fungal diseases
Fungal diseases | |
---|---|
Alternaria blotch | Alternaria mali |
Alternaria rot | Alternaria alternata |
American brown rot | Monilinia fructicola |
Anthracnose canker and bull's-eye rot | Pezicula malicorticus |
Apple scab | Venturia inaequalis |
Apple ring rot and canker | Botryosphaeria berengeriana = Physalospora |
Armillaria root rot = shoestring root rot | Armillaria mellea |
Bitter rot[1][2] | Glomerella cingulata [teleomorph] (archaic) Colletotrichum gloeosporioides species complex[3]
Colletotrichum acutatum species complex[4]
|
Black pox | Helminthosporium papulosum |
Black root rot | |
Black rot, frogeye leafspot and canker | Botryosphaeria obtusa |
Blister canker = nailhead canker | |
Blue mold | Penicillium spp. |
Brooks fruit spot | Mycosphaerella pomi |
Brown rot blossom blight and spur infection | |
Calyx-end rot | Sclerotinia sclerotiorum |
Clitocybe root rot | |
Diaporthe canker* | Diaporthe tanakae |
Diplodia canker | Botryosphaeria stevensii |
European brown rot | Monilinia fructigena |
Fisheye rot | |
Flyspeck | Schizothyrium pomi |
Fruit blotch, leaf spot and twig canker | Phyllosticta solitaria |
Glomerella leaf spot | Glomerella cingulata |
Gray mold rot = dry eye rot, blossom-end rot | Botrytis cinerea |
Leptosphaeria canker and fruit rot | Diapleella coniothyrium |
Leucostoma canker and dieback | Leucostoma cinctum |
Marssonina blotch | |
Moldy core and core rot | Alternaria spp. |
Monilia leaf blight | Monilinia mali |
Monochaetia twig canker | Seiridium unicorne |
Mucor rot | Mucor spp. |
Nectria canker | Nectria galligena |
Nectria twig blight = coral spot | Nectria cinnabarina |
Peniophora root canker | Peniophora sacrata |
Perennial canker | Neofabraea perennans |
Phomopsis canker, fruit decay and rough bark | Phomopsis mali |
Phymatotrichum root rot = cotton root rot | |
Phytophthora crown, collar and root rot = sprinkler rot | Phytophthora spp. |
Phytophthora fruit rot | |
Pink mold rot | |
Powdery mildew | Podosphaera leucotricha |
Rosellinia root rot = Dematophora root rot | Rosellinia necatrix |
Rubber rot | Phacidiopycnis washingtonensis |
Rusts | |
American hawthorne rust | Gymnosporangium globosum |
Cedar apple rust | Gymnosporangium juniperi-virginianae |
Japanese apple rust | Gymnosporangium yamadae |
Pacific Coast pear rust | Gymnosporangium libocedri |
Quince rust | Gymnosporangium clavipes |
... | |
Side rot | Phialophora malorum |
Silver leaf | Chondrostereum purpureum |
Sooty blotch complex | Peltaster fructicola |
Southern blight | Sclerotium rolfsii |
Thread blight = Hypochnus leaf blight | Corticium stevensii |
Valsa canker | Valsa ceratosperma |
Violet root rot | Helicobasidium mompa |
White root rot | |
White rot | Botryosphaeria dothidea |
X-spot = Nigrospora spot | Nigrospora oryzae |
Zonate leaf spot | Cristulariella moricola |
Nematodes, parasitic
Nematodes, parasitic | |
---|---|
Dagger nematode | |
Lesion nematode | |
Pin nematode | Paratylenchus spp. |
Ring nematode | Criconemella spp. |
Root-knot nematode | Meloidogyne spp. |
Viral diseases
Viral diseases | |
---|---|
Apple chlorotic leafspot | genus Trichovirus, Apple chlorotic leafspot virus (ACLSV) |
Apple dwarf (Malus platycarpa) | Apple stem pitting virus (ASPV) (? not US/CAN) |
Apple flat apple | genus Nepovirus, Cherry rasp leaf virus (CRLV) |
Apple mosaic | genus Ilarvirus, Apple mosaic virus (ApMV) genus Ilarvirus, Tulare apple mosaic virus (TAMV) |
Apple stem grooving = Apple decline of Virginia crab | genus Capillovirus, Apple stem grooving virus (ASGV) |
Apple stem pitting = apple Spy 227 epinasty and decline | Apple stem pitting virus (ASPV) |
Apple union necrosis and decline | genus Nepovirus, Tomato ringspot virus (ToRSV) |
Viroid diseases
Viroid diseases | |
---|---|
Swollen apple | Apple fruit crinkle viroid (AFCVd) |
Apple dimple fruit | Apple scar skin viroid (ASSVd) |
Apple fruit crinkle | Apple fruit crinkle viroid (AFCVd) (Japan) |
Apple scar skin = apple dapple, apple sabi-ka, apple bumpy fruit | Apple scar skin viroid (ASSVd) |
Suspected viral- and viroid-like diseases | |
---|---|
Dead spur | GTP, unidentified |
False sting | GTP, virus suspected |
Green crinkle | GTP, virus suspected |
Rough skin | GTP, virus suspected |
Star crack | GTP, virus suspected |
Phytoplasmal diseases
Phytoplasmal diseases | |
---|---|
Apple chat fruit | Phytoplasma suspected |
Apple decline | Phytoplasma suspected |
Apple proliferation | Phytoplasma |
Rubbery wood | Phytoplasma suspected |
Miscellaneous diseases and disorders
Miscellaneous diseases and disorders | |
---|---|
Bitter pit | Localized calcium deficiency |
Blossom blast | Boron deficiency |
Burrknot | Genetically predisposed rootstock |
Fruit cracking | Genetic |
Fruit russet | Frost, sprays, etc. |
Green mottle | Unidentified |
Hollow apple | High temperature |
Internal bark necrosis = measles | Low pH and mineral nutrient imbalance |
Internal browning | Boron and calcium deficiencies, etc. |
Jonathan spot | Reduced by controlled atmosphere storage |
Narrow leaf | Genetic |
Necrotic leaf blotch of ‘Golden Delicious’ | Rapid synthesis of gibberellins triggered by environmental factors |
Spray injury | Spray |
Storage scald | Injury to fruit surfaces by naturally occurring gases produced by the fruit |
Sunburn | Sun injury to fruit |
Sunscald | Freezing of bark following high temperatures in winter |
Water core | Sorbitol accumulation |
- 'Bitter pit'
- 'Jonathan spot'
- 'Water core'
- 'Spray injury'
References
- ^ Dowling, Madeline; Peres, Natalia; Villani, Sara; Schnabel, Guido (2020). "Managing Colletotrichum on Fruit Crops: A "Complex" Challenge". Plant Disease. 104 (9): 2301–2316. doi:10.1094/PDIS-11-19-2378-FE. ISSN 0191-2917. PMID 32689886. S2CID 219479598.
- ^ Martin, Phillip L.; Krawczyk, Teresa; Khodadadi, Fatemeh; Aćimović, Srđan G.; Peter, Kari A. (2021). "Bitter Rot of Apple in the Mid-Atlantic United States: Causal Species and Evaluation of the Impacts of Regional Weather Patterns and Cultivar Susceptibility". Phytopathology. 111 (6): PHYTO–09–20-043. doi:10.1094/PHYTO-09-20-0432-R. ISSN 0031-949X. PMID 33487025. S2CID 231701083.
- ^ Weir, B.S.; Johnston, P.R.; Damm, U. (2012). "The Colletotrichum gloeosporioides species complex". Studies in Mycology. 73 (1): 115–180. doi:10.3114/sim0011. PMC 3458417. PMID 23136459.
- ^ Damm, U.; Cannon, P.F.; Woudenberg, J.H.C.; Crous, P.W. (2012). "The Colletotrichum acutatum species complex". Studies in Mycology. 73 (1): 37–113. doi:10.3114/sim0010. PMC 3458416. PMID 23136458.
External links
- Common Names of Diseases, The American Phytopathological Society
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- Malus domestica
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- Styre
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- Woodcock
- Yarlington Mill
- Flamenco
- Goldspur
- Wijcik McIntosh
Food | |
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Drink |
|
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