List of papaya diseases - AbsoluteAstronomy.com

Bacterial diseases

Bacterial diseases
Bacterial canker	Erwinia Erwinia Erwinia is a genus of Enterobacteriaceae bacteria containing mostly plant pathogenic species which was named for the first phytobacteriologist, Erwin Smith. It is a gram negative bacterium related to E. coli, Shigella, Salmonella and Yersinia. It is primarily a rod-shaped bacteria. A well-known... sp.
Bacterial leaf spot	Pseudomonas caricapapayae Pseudomonas caricapapayae Pseudomonas caricapapayae is a Gram-negative soil bacterium that is pathogenic to plants. It was originally isolated on papaya in Brazil. Based on 16S rRNA analysis, P. caricapapayae has been placed in the P. syringae group....
Bacterial wilt	Pseudomonas solanacearum
Black rot	Erwinia cypripedii
Bunchy top	Unknown bacterium
Erwinia decline	Erwinia Erwinia Erwinia is a genus of Enterobacteriaceae bacteria containing mostly plant pathogenic species which was named for the first phytobacteriologist, Erwin Smith. It is a gram negative bacterium related to E. coli, Shigella, Salmonella and Yersinia. It is primarily a rod-shaped bacteria. A well-known... sp.
Erwinia mushy canker	Erwinia Erwinia Erwinia is a genus of Enterobacteriaceae bacteria containing mostly plant pathogenic species which was named for the first phytobacteriologist, Erwin Smith. It is a gram negative bacterium related to E. coli, Shigella, Salmonella and Yersinia. It is primarily a rod-shaped bacteria. A well-known... sp.
Internal yellowing	Enterobacter cloacae
Purple stain	Erwinia herbicola
Maribo	Pseudomonas maribos

Fungal diseases

Fungal diseases
Alternaria fruit 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...
Angular leaf spot	Leveillula taurica Leveillula taurica Leveillula taurica is a plant pathogen.- External links :* *...
Anthracnose	Colletotrichum gloeosporioides
Black spot	Asperisporium caricae Asperisporium caricae Asperisporium caricae is an ascomycete fungus that is a plant pathogen, found in North and South America.- External links :* ... Cercospora papayae Cercospora papayae Cercospora papayae is a fungal plant pathogen.- External links :... Phomopsis caricae-papayae Phomopsis caricae-papayae Phomopsis caricae-papayae is a plant pathogen.- External links : *...
Blossom spot	Choanephora cucurbitarum Choanephora cucurbitarum The fungus Choanephora cucurbitarum is a plant pathogen that causes fruit rot in cucurbit.- External links :* *...
Brown spot	Corynespora cassiicola Corynespora cassiicola Corynespora cassiicola is a plant pathogen.- External links :* ... Helminthosporium vignicola*
Chocolate spot	Colletotrichum gloeosporioides
Collar rot	Cylindrocladium crotalariae Calonectria crotalariae [teleomorph]
Damping off	Colletotrichum gloeosporioides 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 nicotianae Phytophthora nicotianae Phytophthora nicotianae is a plant pathogen. It can be found in the root of Zamioculcas zamiifolia.- External links :* ... Phytophthora parasitica* 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 ultimum Pythium ultimum Pythium ultimum is a plant pathogen.- External links :**... Pythium Pythium Pythium is a genus of parasitic oomycete. Most species are plant parasites, but Pythium insidiosum is an important pathogen of animals... sp. 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... Thanatephorus cucumeris* [teleomorph]
Dry rot	Phoma caricae-papayae Phoma caricae-papayae Phoma caricae-papayae is a fungal plant pathogen.- External links :* ... Ascochyta caricae-papayae* Mycosphaerella caricae Mycosphaerella caricae Mycosphaerella caricae is a fungal plant pathogen.-External links:* *... [teleomorph]
Foot rot	Pythium aphanidermatum Pythium aphanidermatum Pythium aphanidermatum is a plant pathogen.- External links :... Pythium ultimum Pythium ultimum Pythium ultimum is a plant pathogen.- External links :*...
Fruit rot	Monilia sp.
Fruit spot	Cercospora mamaonis Cercospora mamaonis Cercospora mamaonis is a fungal plant pathogen.- External links :**...
Fusarium fruit rot	Fusarium solani 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.
Guignardia spot	Guignardia Guignardia Guignardia is a genus of fungi in the family Botryosphaeriaceae.-Species:Guignardia abeanaGuignardia abietella-sibiricaGuignardia acaciaeGuignardia adeanaGuignardia adiantiGuignardia adriatica... sp.
Greasy spot	Corynespora cassiicola Corynespora cassiicola Corynespora cassiicola is a plant pathogen.- External links :* ... Helminthosporium vignicola*
Internal blight	Cladosporium Cladosporium Cladosporium is a genus of fungi including some of the most common indoor and outdoor molds. Species produce olive-green to brown or black colonies, and have dark-pigmented conidia that are formed in simple or branching chains.... sp. 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... sp. Penicillium Penicillium Penicillium is a genus of ascomycetous fungi of major importance in the natural environment as well as food and drug production. Members of the genus produce penicillin, a molecule that is used as an antibiotic, which kills or stops the growth of certain kinds of bacteria inside the body... sp.
Lasiodiplodia fruit 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 :* ... Lasiodiplodia triflorae*
Leaf spot	Alternaria Alternaria Alternaria is a genus of ascomycete fungi. Alternaria species are known as major plant pathogens. They are also common allergens in humans, growing indoors and causing hay fever or hypersensitivity reactions that sometimes lead to asthma... sp. Asperisporium caricae Asperisporium caricae Asperisporium caricae is an ascomycete fungus that is a plant pathogen, found in North and South America.- External links :* ... Cercospora mamaonis Cercospora mamaonis Cercospora mamaonis is a fungal plant pathogen.- External links :... Cercospora papayae Cercospora papayae Cercospora papayae is a fungal plant pathogen.- External links :... Choanephora cucurbitarum Choanephora cucurbitarum The fungus Choanephora cucurbitarum is a plant pathogen that causes fruit rot in cucurbit.- External links : ... Curvularia caricae-papayae Curvularia caricae-papayae Curvularia caricae-papayae is a plant pathogen.- External links : ... Gloeosporium* sp. Phoma caricae-papayae Phoma caricae-papayae Phoma caricae-papayae is a fungal plant pathogen.- External links :* ... Mycosphaerella caricae Mycosphaerella caricae Mycosphaerella caricae is a fungal plant pathogen.-External links: ... [teleomorph] Phyllosticta Phyllosticta Phyllosticta is a genus of fungi. Many of the species in this genus are plant pathogens.-Species:Phyllosticta aberiaePhyllosticta abietisPhyllosticta abortivaPhyllosticta abramoviiPhyllosticta abricola... sp.
Petiole spot	Didymella sp.
Phytophthora blight	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 nicotianae var. parasitica Phytophthora parasitica
Powdery mildew	Erysiphe cichoracearum Erysiphe cichoracearum Erysiphe cichoracearum is a plant pathogen that causes powdery mildew disease of cucurbits, including melon, cucumber, pumpkin, and squash. The primary symptoms are white, powder-like spots on the leaves and stems. Sphaerotheca fuliginea causes a similar looking powdery mildew of cucurbits.-... Erysiphe Erysiphe Erysiphe is a genus of fungi in the Erysiphaceae family. Many of the species in this genus are plant pathogens which cause powdery mildew.... sp. Oidium caricae Oidium indicum Oidium indicum Oidium indicum is a plant pathogen.- External links :* ... Ovulariopsis papayae Ovulariopsis papayae Ovulariopsis papayae is a plant pathogen.- External links :... Sphaerotheca fuliginea Sphaerotheca fuliginea Sphaerotheca fuliginea is a plant pathogen that causes powdery mildew on cucurbits. Sphaerotheca fuliginea and Erysiphe cichoracearum are the two most commonly recorded fungi causing cucurbit powdery mildew. In the past, Erysiphe cichoracearum was considered to be the primary causal organism... Sphaerotheca humuli*
Phytophthora fruit rot	Phytophthora capsici Phytophthora capsici Phytophthora capsici is an oomycete plant pathogen that causes fruit rot of peppers. It was first described by L. Leonian at a New Mexico Agricultural Research Station in Las Cruces in 1922 on a crop of chili peppers. In 1967, a study by Satour and Butler found 45 species of cultivated plants and... 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...
Rhizopus soft rot	Rhizopus stolonifer Rhizopus nigricans
Root rot	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... Pythium aphanidermatum Pythium aphanidermatum Pythium aphanidermatum is a plant pathogen.- External links :... Pythium ultimum Pythium ultimum Pythium ultimum is a plant pathogen.- External links :... Pythium Pythium Pythium is a genus of parasitic oomycete. Most species are plant parasites, but Pythium insidiosum is an important pathogen of animals... spp. 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... Thanatephorus cucumeris* [teleomorph]
Sclerotium blight	Sclerotium rolfsii Athelia rolfsii Athelia rolfsii Athelia rolfsii is a corticioid fungus in the family Atheliaceae. It is a facultative plant pathogen and is the causal agent of "southern blight" disease in crops.-Taxonomy:... [teleomorph]
Seedling blight	Colletotrichum gloeosporioides
Stem-end rot	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... Colletotrichum gloeosporioides 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... sp. 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 :* ... Ascochyta caricae-papayae* Mycosphaerella caricae Mycosphaerella caricae Mycosphaerella caricae is a fungal plant pathogen.-External links:* ... [teleomorph] Phomopsis Phomopsis Phomopsis is a genus of ascomyceta fungi.-Species:Species include: Phomopsis arnoldiae* Phomopsis asparagi* Phomopsis asparagicola* Phomopsis cannabina* Phomopsis caricae-papayae* Phomopsis coffeae* Phomopsis elaeagni... sp. Rhizopus stolonifer
Stemphylium fruit spot	Stemphylium lycopersici Stemphylium lycopersici Stemphylium lycopersici is a plant pathogen.- External links :* ... Stemphylium floridanum*
Stem rot	Fusarium solani Nectria haematococca [teleomorph] 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... sp. 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... Pythium aphanidermatum Pythium aphanidermatum Pythium aphanidermatum is a plant pathogen.- External links :... Pythium ultimum Pythium ultimum Pythium ultimum is a plant pathogen.- External links :*...
Target spot	Phyllosticta caricae-papayae Phyllosticta caricae-papayae Phyllosticta caricae-papayae is a plant pathogen.- External links :**...
Verticillium wilt	Verticillium dahliae Verticillium dahliae Verticillium dahliae is a fungal plant pathogen. It causes verticillium wilt in many plant species, causing leaves to curl and discolor. It may cause death in some plants.- External links :* *...
Wet fruit rot	Phomopsis Phomopsis Phomopsis is a genus of ascomyceta fungi.-Species:Species include:* Phomopsis arnoldiae* Phomopsis asparagi* Phomopsis asparagicola* Phomopsis cannabina* Phomopsis caricae-papayae* Phomopsis coffeae* Phomopsis elaeagni... sp.

Miscellaneous diseases and disorders

Miscellaneous diseases and disorders
Algal leaf spot	Cephaleuros virescens
Bumpy fruit	Boron deficiency
Freckles	Physiological
Nivum Haamir dieback	Unknown cause

Nematodes, parasitic

Nematodes, parasitic
Reniform nematode	Rotylenchulus reniformis Rotylenchulus reniformis -History and significance:Rotylenchulus reniformis is a plant parasite nematode with a worldwide distribution in the tropical and subtropical regions. This nematode has a wide host range infecting plants in many species around the word. It belongs to the Family Hoplolaimidae; it was first... Rotylenchulus parvus Rotylenchulus parvus Rotylenchulus parvus is a plant pathogenic nematode.- External links :*...
Root-knot nematode	Meloidogyne incognita Meloidogyne incognita The Meloidogyne incognita is a nematode, a type of roundworm, in the family Heteroderidae. It is an important plant parasite classified in parasitology as a root-knot nematode, as it prefers to attack the root of its host plant.... Meloidogyne javanica Meloidogyne javanica Meloidogyne javanica is a plant pathogenic nematode. It is one of the tropical Root-knot Nematodes and a major agricultural pest in many countries. Meloidogyne javanica reproduces by obligatory mitotic parthenogenesis .- External links :... Meloidogyne arenaria Meloidogyne arenaria Meloidogyne arenaria is a plant pathogenic nematode.- External links :... Meloidogyne hapla

Phytoplasmal diseases

Phytoplasmal diseases
Dieback	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...
Yellow crinkle	Phytoplasma

Viral and viroid diseases

Viral and viroid diseases
Apical necrosis	Papaya apical necrosis virus
Droopy necrosis	Papaya droopy necrosis virus
Feather leaf	Unknown virus
Leaf curl	Virus suspected
Mosaic	Papaya mosaic virus Papaya mosaic virus Papaya mosaic virus is a plant pathogenic virus in the genus Potexvirus and the family Flexiviridae. PapMV is a filamentous, flexuous rod, 530 nm in length....
Papaya ringspot Papaya ringspot virus Papaya ringspot virus is a plant pathogenic virus in the genus Potyvirus and the virus family Potyviridae.The virus is a non-enveloped, flexous rod-shaped particle that is between 760-800 nm long and 12 nm in diameter. It is transmitted between plants by mechanical activities like...	Papaya ringspot virus Papaya ringspot virus Papaya ringspot virus is a plant pathogenic virus in the genus Potyvirus and the virus family Potyviridae.The virus is a non-enveloped, flexous rod-shaped particle that is between 760-800 nm long and 12 nm in diameter. It is transmitted between plants by mechanical activities like...
Spotted wilt	Tomato spotted wilt virus
Terminal necrosis and wilt	Tobacco ringspot virus Tobacco ringspot virus Tobacco ringspot virus is a plant pathogenic virus in the plant virus family Comoviridae. It is the type species of the Comoviridae Genus Nepovirus. Nepoviruses are be transmitted between plants by nematodes...

The source of this article is wikipedia, the free encyclopedia. The text of this article is licensed under the GFDL.