List of citrus diseases
Encyclopedia
Bacterial diseases
| Bacterial diseases |
|
|---|---|
| Bacterial spot | Xanthomonas campestris Xanthomonas campestris Xanthomonas campestris is a bacterial species that causes a variety of plant diseases. Available from the NCPPB,and other international Culture collections such as ICMP, ATCC, and LMG in a purified form, it is used in the commercial production of a high-molecular-weight polysaccharide - xanthan... pv. citrumelo |
| Black pit (fruit) | Pseudomonas syringae Pseudomonas syringae Pseudomonas syringae is a rod shaped, Gram-negative bacterium with polar flagella. It is a plant pathogen which can infect a wide range of plant species, and exists as over 50 different pathovars, all of which are available to legitimate researches via international culture collections such as the... |
| Blast | Pseudomonas syringae Pseudomonas syringae Pseudomonas syringae is a rod shaped, Gram-negative bacterium with polar flagella. It is a plant pathogen which can infect a wide range of plant species, and exists as over 50 different pathovars, all of which are available to legitimate researches via international culture collections such as the... |
| Citrus canker Citrus canker Citrus canker is a disease affecting citrus species that is caused by the bacterium Xanthomonas axonopodis. Infection causes lesions on the leaves, stems, and fruit of citrus trees, including lime, oranges, and grapefruit... |
Xanthomonas axonopodis = Xanthomonas campestris Xanthomonas campestris Xanthomonas campestris is a bacterial species that causes a variety of plant diseases. Available from the NCPPB,and other international Culture collections such as ICMP, ATCC, and LMG in a purified form, it is used in the commercial production of a high-molecular-weight polysaccharide - xanthan... pv. citri |
| Citrus variegated chlorosis | Xylella fastidiosa Xylella fastidiosa Xylella fastidiosa, a bacterium in the class Gammaproteobacteria, is an important plant pathogen that causes phoney peach disease in the southern United States, oleander leaf scorch, and Pierce's disease, and citrus variegated chlorosis disease in Brazil.-Pierce's disease:Pierce's disease was... |
| Huanglongbing = citrus greening | Candidatus Liberibacter Candidatus Liberibacter Candidatus Liberibacter is a genus of gram-negative bacteria in the Rhizobiaceae family. The term Candidatus is used to indicate that it has not proved possible to maintain this bacterium in culture. Detection of the liberibacters is based on PCR amplification of their 16S rRNA gene with specific... asiaticus Candidatus L. africanus |
Fungal diseases
| Fungal diseases |
|
|---|---|
| Albinism | Alternaria alternata Alternaria alternata Alternaria alternata has been recorded causing leaf spot and other diseases on over 380 host species. It is opportunistic pathogen on numerous hosts causing leaf spots, rots and blights on many plant parts... Alternaria tenuis Aspergillus flavus Aspergillus flavus Aspergillus flavus is a fungus. It is a common mold in the environment, and can cause storage problems in stored grains. It can also be a human pathogen, associated with aspergillosis of the lungs and sometimes causing corneal, otomycotic, and nasoorbital infections. Many strains produce... |
| Alternaria brown spot | Alternaria alternata Alternaria alternata Alternaria alternata has been recorded causing leaf spot and other diseases on over 380 host species. It is opportunistic pathogen on numerous hosts causing leaf spots, rots and blights on many plant parts... |
| Alternaria leaf spot of rough lemon | Alternaria citri Alternaria citri Alternaria citri is a fungal plant pathogen.- External links :* *... |
| Alternaria stem-end rot | Alternaria citri Alternaria citri Alternaria citri is a fungal plant pathogen.- External links :* *... |
| Anthracnose = wither-tip | Glomerella cingulata Glomerella cingulata Glomerella cingulata is a plant pathogenic fungus that causes disease on many different hosts including quince and apple bitter rot and anthracnose on many fruit and vegetable species. Glomerella cingulata is the sexual stage while the asexual stage is called Colletotrichum gloeosporioides.-... Colletotrichum gloeosporioides [anamorph] |
| Areolate leaf spot | Thanatephorus cucumeris Pellicularia filamentosa Rhizoctonia solani Rhizoctonia solani Rhizoctonia solani is a plant pathogenic fungus with a wide host range and worldwide distribution. This plant pathogen was discovered more than 100 years ago. Rhizoctonia solani frequently exists as thread-like growth on plants or in culture. Asexual spores are not produced, only the sexual stage... [anamorph] |
| Black mold rot | Aspergillus niger Aspergillus niger Aspergillus niger is a fungus and one of the most common species of the genus Aspergillus. It causes a disease called black mold on certain fruits and vegetables such as grapes, onions, and peanuts, and is a common contaminant of food... |
| Black root rot | Thielaviopsis basicola Thielaviopsis basicola Thielaviopsis basicola is a plant pathogen.- External links :* *... Chalara elegans [synanamorph] |
| Black rot | Alternaria citri Alternaria citri Alternaria citri is a fungal plant pathogen.- External links :* *... |
| Black spot | Guignardia citricarpa Guignardia citricarpa Guignardia citricarpa is a plant pathogen, some strains of which cause a leaf condition called black spot on citrus plants. As a result, such strains are subject to phytosanitary legislation in the European Union and the United States.... Phyllosticta citricarpa [synanamorph] |
| Blue mold | Penicillium italicum Penicillium italicum Penicillium italicum is a plant pathogen.- External links :* *... |
| Botrytis blossom and twig blight, gummosis | Botrytis cinerea Botrytis cinerea Botrytis cinerea is a necrotrophic fungus that affects many plant species, although its most notable hosts may be wine grapes. In viticulture, it is commonly known as botrytis bunch rot; in horticulture, it is usually called grey mould or gray mold.The fungus gives rise to two different kinds of... Botryotinia fuckeliana Botryotinia fuckeliana Botryotinia fuckeliana is a plant pathogen, and the causal agent of gray mold disease.The specific epithet was named by mycologist Heinrich Anton de Bary in honor of another mycologist, Karl Wilhelm Gottlieb Leopold Fuckel.... [teleomorph] |
| Branch knot | Sphaeropsis tumefaciens Sphaeropsis tumefaciens Sphaeropsis tumefaciens is an ascomycete fungus that is a plant pathogen.- External links :* *... |
| Brown rot (fruit) | Phytophthora citricola Phytophthora citricola Phytophthora citricola is a plant pathogen. It was first described by Sawada in 1927 when it was isolated from orange trees in present-day Taiwan. It has since been found causing disease on a wide variety of plants and is considered to be cosmopolitan.... Phytophthora citrophthora Phytophthora citrophthora Phytophthora citrophthora is a plant pathogen.-External links:**... Phytophthora hibernalis Phytophthora hibernalis Phytophthora hibernalis is a plant pathogen.- External links :* *... Phytophthora nicotianae var. parasitica Phytophthora parasitica Phytophthora palmivora Phytophthora palmivora Phytophthora palmivora causes bud-rot of palms, fruit-rot or kole-roga of coconut and arecanut. These are among the most serious diseases caused by fungi and moulds in South India. It occurs almost every year in Malnad, Mysore, North & South Kanara, Malabar and other areas. Similar diseases of... Phytophthora syringae Phytophthora syringae Phytophthora syringae is a plant pathogen.- External links :**... |
| Charcoal root rot | Macrophomina phaseolina Macrophomina phaseolina Macrophomina phaseolina is a Botryosphaeriaceae fungus that is a plant pathogen that causes charcoal rot on many plant species including Zea mays and Pinus elliottii.- External links :* *... |
| Damping-off | Pythium Pythium Pythium is a genus of parasitic oomycete. Most species are plant parasites, but Pythium insidiosum is an important pathogen of animals... sp. Pythium aphanidermatum Pythium aphanidermatum Pythium aphanidermatum is a plant pathogen.- External links :**... Pythium debaryanum Pythium debaryanum Pythium debaryanum is a plant pathogen.- External links :**... Pythium rostratum Pythium rostratum Pythium rostratum is a plant pathogen.- External links :* *... Pythium ultimum Pythium ultimum Pythium ultimum is a plant pathogen.- External links :***... Pythium vexans Pythium vexans Pythium vexans is a plant pathogen.- External links :* *... Rhizoctonia solani Rhizoctonia solani Rhizoctonia solani is a plant pathogenic fungus with a wide host range and worldwide distribution. This plant pathogen was discovered more than 100 years ago. Rhizoctonia solani frequently exists as thread-like growth on plants or in culture. Asexual spores are not produced, only the sexual stage... |
| Diplodia gummosis and stem-end rot | Lasiodiplodia theobromae Lasiodiplodia theobromae Lasiodiplodia theobromae is a plant pathogen with a very wide host range. It causes rotting and dieback in most species it infects. On rare occasions it has been found to cause Fungal keratitis. It is a common post harvest fungus disease of citrus known as stem-end rot.- External links :* *... Diplodia natalensis Botryosphaeria rhodina Botryosphaeria rhodina Botryosphaeria rhodina is a fungal plant pathogen that causes cankers on many plant species.- External links :* *... [teleomorph] |
| Dothiorella gummosis and rot | Botryosphaeria ribis Botryosphaeria ribis Botryosphaeria ribis is a plant pathogen that infects many trees causing cankers, dieback and death.- External links :**... Dothiorella gregaria Dothiorella gregaria Dothiorella gregaria is a plant pathogen.- External links :**... [anamorph] |
| Dry root rot complex | Nectria haematococca Fusarium solani [anamorph] together with other wound-invading agents |
| Dry rot (fruit) | Ashbya gossypii Ashbya gossypii Ashbya gossypii is a filamentous fungus or mold closely related to yeast, but growing exclusively in a filamentous way. It was originally isolated from cotton as a pathogen causing stigmatomycosis by Ashby and Novell in 1926... Nematospora coryli Nematospora coryli Nematospora coryli is a plant pathogen that causes stigmatomycosis. It is cultivated on potato dextrose agar and grows as yeast-like oval or spherical budding cells either isolated or in short chains and has few hyphae which are septate at maturity... |
| Fly speck | Schizothyrium pomi Schizothyrium pomi Schizothyrium pomi is a plant pathogen.- External links :* *... Zygophiala jamaicensis [anamorph] |
| Fusarium rot (fruit) | Fusarium Fusarium Fusarium is a large genus of filamentous fungi widely distributed in soil and in association with plants. Most species are harmless saprobes, and are relatively abundant members of the soil microbial community. Some species produce mycotoxins in cereal crops that can affect human and animal health... spp. |
| Fusarium wilt | Fusarium oxysporum f.sp. citri Fusarium oxysporum f.sp. citri Fusarium oxysporum f.sp. citri is a fungus which reproduces by cell fission. It is a well known plant pathogen.-External links:* *... |
| Gray mold (fruit) | Botrytis cinerea Botrytis cinerea Botrytis cinerea is a necrotrophic fungus that affects many plant species, although its most notable hosts may be wine grapes. In viticulture, it is commonly known as botrytis bunch rot; in horticulture, it is usually called grey mould or gray mold.The fungus gives rise to two different kinds of... |
| Greasy spot and greasy spot rind blotch | Mycosphaerella citri Mycosphaerella citri Mycosphaerella citri is a fungal plant pathogen.-External links:* *... Stenella citri-grisea [anamorph] |
| Green mold | Penicillium digitatum Penicillium digitatum Penicillium digitatum is a plant pathogen. It is a common postharvest fungus disease of citrus called green mold.- External links :* *... |
| Heart rot | Ganoderma applanatum Ganoderma applanatum Ganoderma applanatum is a bracket fungus with a cosmopolitan distribution.The spore bodies are up to 30-40 cm across, hard, woody-textured, and... Ganoderma brownii Ganoderma brownii Ganoderma brownii is a plant pathogen.- External links :* *... Ganoderma lucidum and other basidiomycetes |
| Hendersonula branch wilt | Hendersonula toruloidea |
| Leaf spot | Mycosphaerella horii Mycosphaerella horii Mycosphaerella horii is a fungal plant pathogen.-External links:* *... Mycosphaerella lageniformis Mycosphaerella lageniformis Mycosphaerella lageniformis is a fungal plant pathogen.-External links:* *... |
| Mal secco | Phoma tracheiphila Phoma tracheiphila Phoma tracheiphila is a fungal plant pathogen. It causes a disease known as Mal secco on citrus trees. It occurs in dry, cool climates such as the Mediterranean, Black Sea and Asia Minor. It forms pycniospores that are carried short distances by rain, or by wind to new leaves, where germinated... Deuterophoma tracheiphila |
| Mancha foliar de los citricos | Alternaria limicola Alternaria limicola Alternaria limicola is a plant pathogen.- External links :* *... |
| Melanose | Diaporthe citri Diaporthe citri Diaporthe citri is a plant pathogen.- External links :* *... Phomopsis citri [anamorph] |
| Mucor fruit rot | Mucor paronychia Mucor racemosus Mucor racemosus Mucor racemosus is a fungal plant pathogen.Mucor racemosus has been known cause allergic reactions among some people. The fungus has been isolated in soft cheese Camembert.- External links :... |
| Mushroom root rot = shoestring root rot or oak root fungus | Armillaria mellea Armillaria mellea Armillaria mellea is a plant pathogen and a species of Honey fungus. It causes Armillaria root rot in many plant species. The mushrooms are edible but some people may be intolerant to them. The fungus produces mushrooms around the base of trees it has infected... Clitocybe tabescens Rhizomorpha subcorticalis Rhizomorpha subcorticalis Rhizomorpha subcorticalis is a fungus that is a plant pathogen that causes root rot in several species, including strawberries and avocado.- External links :* *... [anamorph] |
| Phaeoramularia leaf and fruit spot | Phaeoramularia angolensis Phaeoramularia angolensis Phaeoramularia angolensis is a fungal plant pathogen.- External links :**... |
| Phymatotrichum root rot | Phymatotrichopsis omnivora |
| Phomopsis stem-end rot | Phomopsis citri Diaporthe citri Diaporthe citri Diaporthe citri is a plant pathogen.- External links :* *... [teleomorph] |
| Phytophthora foot rot, gummosis and root rot | Phytophthora citrophthora Phytophthora citrophthora Phytophthora citrophthora is a plant pathogen.-External links:**... Phytophthora hibernalis Phytophthora hibernalis Phytophthora hibernalis is a plant pathogen.- External links :* *... Phytophthora nicotianae var. parasitica Phytophthora parasitica Phytophthora palmivora Phytophthora palmivora Phytophthora palmivora causes bud-rot of palms, fruit-rot or kole-roga of coconut and arecanut. These are among the most serious diseases caused by fungi and moulds in South India. It occurs almost every year in Malnad, Mysore, North & South Kanara, Malabar and other areas. Similar diseases of... Phytophthora syringae Phytophthora syringae Phytophthora syringae is a plant pathogen.- External links :**... |
| Pink disease | Erythricium salmonicolor Corticium salmonicolor Necator decretus [anamorph] |
| Pink mold | Gliocladium roseum |
| Pleospora rot | Pleospora herbarum Pleospora herbarum Pleospora herbarum is a species of fungus in the Pleosporaceae family. A plant pathogen, it has a cosmopolitan distribution, and is common in temperate and subtropical regions. The fungus was first described under the name Sphaeria herbarum by Christian Hendrik Persoon in 1801.... Stemphylium herbarum [anamorph] |
| Poria root rot | Oxyporus latemarginatus Oxyporus latemarginatus Oxyporus latemarginatus is a plant pathogen.- External links :* *... Poria latemarginata |
| Post bloom fruit drop | Colletotrichum acutatum Colletotrichum acutatum Colletotrichum acutatum is a plant pathogen.- External links :* *... |
| Powdery mildew | Oidium tingitaninum Oidium tingitaninum Oidium tingitaninum is a plant pathogen.- External links :* *... Acrosporium tingitaninum Acrosporium tingitaninum Acrosporium tingitaninum is an ascomycete fungus that is a plant pathogen.- External links :* *... |
| Rhizopus rot | Rhizopus stolonifer |
| Rio Grande gummosis | Possibly Lasiodiplodia theobromae Lasiodiplodia theobromae Lasiodiplodia theobromae is a plant pathogen with a very wide host range. It causes rotting and dieback in most species it infects. On rare occasions it has been found to cause Fungal keratitis. It is a common post harvest fungus disease of citrus known as stem-end rot.- External links :* *... Hendersonula toruloidea and other unknown agents |
| Rootlet rot | Pythium rostratum Pythium rostratum Pythium rostratum is a plant pathogen.- External links :* *... Pythium ultimum Pythium ultimum Pythium ultimum is a plant pathogen.- External links :***... |
| Rosellinia root rot | Rosellinia Rosellinia Rosellinia is a genus of fungi in the Xylariaceae family consisting of over 90 species. Several of the species in this genus are plant pathogens.- Species :... sp. |
| Scab | Elsinoë fawcettii Elsinoë fawcettii Elsinoë fawcettii is a plant pathogen.- External links :* *... Sphaceloma fawcettii [anamorph] |
| Sclerotinia twig blight, fruit rot and root rot | Sclerotinia sclerotiorum Sclerotinia sclerotiorum Sclerotinia sclerotiorum is a plant pathogenic fungus and can cause a disease called white mold if conditions are correct. S. sclerotiorum can also be known as cottony rot, watery soft rot, stem rot, drop, crown rot and blossom blight... |
| Septoria spot | Septoria citri Septoria citri Septoria citri is a fungal plant pathogen.- External links :* *... |
| Sooty blotch | Gloeodes pomigena |
| Sour rot | Geotrichum citri-aurantii Galactomyces citri-aurantii [teleomorph] Galactomyces candidum Galactomyces candidum Galactomyces candidum is a plant pathogen.- External links :* *... Galactomyces geotrichum [teleomorph] |
| Sweet orange scab | Elsinoë australis Elsinoë australis Elsinoë australis is a plant pathogen that causes sweet orange scab. The disease only attacks the fruit of citrus trees, causing the formation of pustules and lesions on the skin of the fruit. The spores of the fungus are spread from tree to tree by rain splash... |
| Thread blight | Corticium stevensii Pellicularia koleroga |
| Trichoderma rot | Trichoderma viride Trichoderma viride Trichoderma viride is a fungus and a biofungicide.It is used for seed and soil treatment for suppression of various diseases caused by fungal pathogens. It is also a pathogen in its own right, causing green mould rot of onion.-Biology:... Hypocrea Hypocrea Hypocrea is a genus of fungi in the Hypocreaceae family. The widespread genus is estimated to contain 171 species that grow on rotten wood, and are often associated with other fungi. Anamorphic genera associated with Hypocrea include Acremonium, Gliocladium, Trichoderma, and Verticillium... sp. [teleomorph] |
| Twig blight | Rhytidhysteron rufulum Rhytidhysteron rufulum Rhytidhysteron rufulum is a plant pathogen.- External links :* *... |
| Ustulina root rot | Ustulina deusta Nodulisporium sp. [anamorph] |
| Whisker mold | Penicillium ulaiense Penicillium ulaiense Penicillium ulaiense is a plant pathogen which causes whisker mould. It is considered an important infection of citrus fruit, especially in packinghouses. P. ulaiense is a citrus postharvest pathogenic fungus described as a member of the serie Italica, together with P. italicum. In 1987,... |
| White root rot | Rosellinia Rosellinia Rosellinia is a genus of fungi in the Xylariaceae family consisting of over 90 species. Several of the species in this genus are plant pathogens.- Species :... sp. Rosellinia necatrix Rosellinia necatrix Rosellinia necatrix is a plant pathogen.- External links :* *... Dematophora necatrix [anamorph] Rosellinia subiculata Rosellinia subiculata Rosellinia subiculata is a plant pathogen.- External links :* *... |
Nematodes, parasitic
| Nematodes, parasitic |
|
|---|---|
| Citrus slump nematode | Pratylenchus coffeae Pratylenchus coffeae Pratylenchus coffeae is a plant pathogenic nematode.- External links :*... |
| Dagger nematode | Xiphinema Xiphinema Xiphinema is a genus of plant-parasitic roundworms.- List of species :* Xiphinema abrantinum Roca & Pereira, 1991.* Xiphinema aceri Chizhov & al., 1986.* Xiphinema aequum Roca & Lamberti, 1988.... spp. |
| Lesion nematode | Pratylenchus Pratylenchus Pratylenchus is a genus of plant-parasitic nematodes responsible for root lesions on many plant hosts in temperate regions around the world. Lesion nematodes are migratory endoparasites that enter the host root for feeding and reproduction and move freely through or out of the root tissue. They do... spp. Pratylenchus brachyurus Pratylenchus brachyurus Pratylenchus brachyurus is a plant pathogenic nematode.- External links :*... Pratylenchus coffeae Pratylenchus coffeae Pratylenchus coffeae is a plant pathogenic nematode.- External links :*... Pratylenchus vulnus Pratylenchus vulnus Pratylenchus vulnus is a plant pathogenic nematode.- External links :*... |
| Needle nematode | Longidorus spp. |
| Root-knot nematode | Meloidogyne spp. |
| Sheath nematode | Hemicycliophora spp. Hemicycliophora arenaria Hemicycliophora arenaria Hemicycliophora arenaria is a plant pathogenic nematode.- External links :*... |
| Slow decline (citrus nematode) | Tylenchulus semipenetrans Tylenchulus semipenetrans Tylenchulus semipenetrans is a plant pathogenic nematode. T. semipenetrans is found in most citrus production areas and diverse soil textures worldwide. Their feeding strategy is semi-endoparasitic nematode and has a very narrow host range among commonly grown crops... |
| Spreading decline (burrowing nematode) | Radopholus similis Radopholus similis Burrowing nematode or Banana-root nematode is an important parasite of fruit, vegetable, and other crops. It is an especially important pest of bananas and citrus, but it will also attack coconut, avocado, coffee, sugarcane, and assorted other types of grasses and ornamentals. It is a migratory... |
| Sting nematode | Belonolaimus longicaudatus Belonolaimus longicaudatus Belonolaimus longicaudatus is a common parasite of grasses and other plant crops and products. It is the most destructive nematode pest of turf grass, and it also attacks a wide range of fruit, vegetable, and fiber crops such as citrus, cotton, ornamentals, and forage. The sting nematode is a... |
| Stubby-root nematode | Paratrichodorus spp. |
| Stunt nematode | Tylenchorhynchus Tylenchorhynchus Tylenchorhynchus is a genus of nematodes including many species of plant parasites. The classification of stunt nematodes - those including the Tylenchorhynchus genus - is unstable; many newly discovered species within this genus are reconsidered to be actually subspecies... spp. |
Viral diseases
| Viral diseases |
|
|---|---|
| Citrus mosaic | Satsuma dwarf-related virus |
| Bud union crease | Virus for some combinations, otherwise genetic or unknown |
| Citrus leaf rugose | genus Ilarvirus Ilarvirus Ilarvirus is a genus of viruses.-External links:*... , Citrus leaf rugose virus Citrus leaf rugose virus Citrus leaf rugose virus is a plant pathogenic virus of the family Bromoviridae.-External links:**... (CLRV) |
| Citrus yellow mosaic | genus Badnavirus |
| Crinkly leaf | Crinkly leaf virus (strain of Citrus variegation virus Citrus variegation virus Citrus variegation virus , a member of subgroup 2 of Ilarviruses in the family Bromoviridae, is the causal agent of infectious variegation, a disease occurring all over the world, causing problems for production especially in some susceptible varieties of lemon and mandarin.Citrus trees infected... ) |
| Infectious variegation | genus Ilarvirus Ilarvirus Ilarvirus is a genus of viruses.-External links:*... , Citrus variegation virus Citrus variegation virus Citrus variegation virus , a member of subgroup 2 of Ilarviruses in the family Bromoviridae, is the causal agent of infectious variegation, a disease occurring all over the world, causing problems for production especially in some susceptible varieties of lemon and mandarin.Citrus trees infected... (CVV) |
| Navel infectious mottling | Satsuma dwarf-related virus |
| Psorosis | Citrus psorosis virus Citrus psorosis virus Citrus psorosis virus is a plant pathogenic virus infecting citrus plants worldwide. It is considered to be the most serious and detrimental virus pathogen of these trees.-Isolation:... (CPsV) |
| Satsuma dwarf | Satsuma dwarf virus Satsuma dwarf virus Satsuma dwarf virus is a plant pathogenic virus in the order Picornavirales and of the family Secoviridae with subfamily Comovirinae, genus Sadwavirus.-External links:***ICTV Virus Taxonomy 2009 *UniProt Taxonomy... (SDV) |
| Tatter leaf = citrange stunt | genus Capillovirus, Citrus tatter leaf virus (probably a closely related strain of Apple stem grooving virus Apple stem grooving virus Apple stem grooving virus is a plant pathogenic virus of the family Flexiviridae.-External links:**... rather than a distinct virus |
| Tristeza = decline and stem pitting, seedling yellows | genus Closterovirus Closterovirus Closterovirus, also known as beet yellows viral group, is a plant-infecting viral genus included in family Closteroviridae. This genus has a probably worldwide distribution and includes among other viral species the Beet yellows virus and the tentatively assigned Citrus tristeza virus, rather... , Citrus tristeza virus Citrus tristeza virus Citrus tristeza virus is a viral species of the Closterovirus genus that causes the most economically damaging disease to its namesake plant genus, Citrus. The disease has led to the death of millions of Citrus trees all over the world and has rendered other millions useless for production... (CTV) |
Viroids and graft-transmissible pathogens [GTP]
| Viroids and graft-transmissible pathogens [GTP] |
|
|---|---|
| Algerian navel orange virus | GTP |
| Blight = young tree decline, rough lemon decline | GTP |
| Blind pocket | GTP |
| Cachexia | Citrus cachexia viroid (Hostuviroid) |
| Chlorotic dwarf | White-fly transmitted GTP |
| Citrus dwarfing | Various viroids |
| Citrus yellow mottle | GTP |
| Citrus yellow ringspot | GTP |
| Concave gum | GTP |
| Cristacortis | GTP |
| Exocortis | Citrus exocortis viroid (CEVd) Pospiviroidae Pospiviroidae The Pospiviroidae are a family of viroids, including the first viroid to be discovered, PSTVd. Their secondary structure is key to their biological activity. The classification of this family is based on differences in the conserved central region sequence... |
| Fatal yellows | GTP |
| Gummy bark | GTP, possible viroid |
| Gum pocket and gummy pittings | GTP, possible viroid |
| Impietratura | GTP |
| Indian citrus ringspot | GTP |
| Leaf curl | GTP |
| Leathery leaf | GTP |
| Leprosis | GTP associated with Brevipalpus spp. mites |
| Measles | GTP |
| Milam stem-pitting | GTP |
| Multiple sprouting disease | GTP |
| Nagami kumquat disease | GTP |
| Ringspot diseases | Various GTPs |
| Vein enation = woody gall | GTP (possible luteovirus) |
| Xyloporosis = cachexia | Citrus cachexia viroid (Hostuviroid) |
| Yellow vein | GTP |
| Yellow vein clearing of lemon | GTP |
Phytoplasmal and spiroplasmal diseases
| Phytoplasmal and spiroplasmal diseases |
|
|---|---|
| Australian citrus dieback | Unknown procaryote? |
| Stubborn | Spiroplasma citri (spread by leafhoppers) |
| Witches’ broom of lime | Phytoplasma Phytoplasma Phytoplasma are specialised bacteria that are obligate parasites of plant phloem tissue and transmitting insects . They were first discovered by scientists in 1967 and were named mycoplasma-like organisms or MLOs. They cannot be cultured in vitro in cell-free media... |
Miscellaneous diseases and disorders
| Miscellaneous diseases and disorders |
|
|---|---|
| Algal disease (algal spot) | Cephaleuros virescens |
| Amachamiento | Unknown |
| Blossom-end clearing | Physiological |
| Chilling injury | Cold temperatures |
| Creasing | Nutritional (?) |
| Crinkle scurf | Genetic |
| Granulation | Physiological |
| Lemon sieve-tube necrosis | Unknown, but hereditary |
| Lime blotch =wood pocket | Inherited chimeral agent |
| Membranous stain | Cold temperatures |
| Mesophyll collapse | Unknown |
| Oleocellosis | Physiological |
| Postharvest pitting | Physiological |
| Puffing | Physiological |
| Rind breakdown | Physiological |
| Rind staining | Physiological |
| Rind stipple of grapefruit | Environmental |
| Rumple of lemon fruit | Unknown |
| Shell bark complex | Unknown - (viroid?) |
| Sooty mold (superficial, not pathogenic) | Capnodium C. citricola Capnodium sp. |
| Stem-end rind breakdown | Physiological |
| Stylar-end breakdown of Tahiti lime | Physiological |
| Stylar-end rind breakdown | Physiological |
| Stylar-end rot | Physiological |
| Sunburn | Excessive heat and light |
| Tangerine dieback | Unknown |
| Water spot | Physiological |
| Zebra skin | Physiological |