List of geranium diseases
Encyclopedia
Bacterial diseases
Bacterial diseases |
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Bacterial blight | 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. pelargonii |
Bacterial fasciation | Rhodococcus fascians Rhodococcus fascians Rhodococcus fascians is a Gram positive bacterial phytopathogen that causes leafy gall disease. R. fascians is the only phytopathogenic member of the Rhodococcus genus; its host range includes both dicotyledonous and monocotyledonous hosts... = Corynebacterium fascians |
Bacterial leaf spot | Acidovorax Acidovorax The Acidovorax are a genus of Proteobacteria. A. avenae causes bacterial fruit blotch on cucurbit crops.... sp. Pseudomonas cichorii Pseudomonas cichorii Pseudomonas cichorii is a Gram-negative soil bacterium that is pathogenic to plants. It has a wide host range, and can have an important economical impact on lettuce, celery and chrysanthemum crops.. P. cichorii was first isolated on endives , from which it derives its name. It produces... 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... |
Crown gall | Agrobacterium tumefaciens Agrobacterium tumefaciens Agrobacterium tumefaciens is the causal agent of crown gall disease in over 140 species of dicot. It is a rod shaped, Gram negative soil bacterium... |
Southern wilt | Ralstonia solanacearum Ralstonia solanacearum Ralstonia solanacearum is an aerobic non-sporing, Gram-negative plant pathogenic bacterium. R. solanacearum is soil-borne and motile with a polar flagellar tuft. It colonises the xylem, causing bacterial wilt in a very wide range of potential host plants... |
Fungal diseases
Fungal diseases |
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Armillaria root rot | 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... |
Black root rot | Thielaviopsis basicola Thielaviopsis basicola Thielaviopsis basicola is a plant pathogen.- External links :* *... |
Blackleg Cutting rot |
Pythium Pythium Pythium is a genus of parasitic oomycete. Most species are plant parasites, but Pythium insidiosum is an important pathogen of animals... sp. |
Botryosphaeria stem rot | Botryosphaeria ribis Botryosphaeria ribis Botryosphaeria ribis is a plant pathogen that infects many trees causing cankers, dieback and death.- External links :**... |
Botrytis blight | 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... |
Cottony stem 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... |
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. Rhizoctonia Rhizoctonia Rhizoctonia is a genus of anamorphic fungi in the order Cantharellales. Species do not produce spores, but are composed of hyphae and sclerotia and are asexual states of fungi in the genus Thanatephorus. Rhizoctonia species are saprotrophic, but are also facultative plant pathogens, causing... sp. |
Downy mildew | Peronospora conglomerata Peronospora conglomerata Peronospora conglomerata is a plant pathogen.- External links :**... |
Fusarium cutting rot | 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. |
Glomerella stem rot | 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.-... |
Leaf mold | Aspergillus fischerianus Aspergillus fischerianus Aspergillus fischerianus is a plant pathogen.- External links :**... Diaporthe rudis Diaporthe rudis Diaporthe rudis is a plant pathogen.- External links :* *... Diaporthe medusaea Diaporthe medusaea Diaporthe medusaea is a plant pathogen.- External links :* *... Botryosporium pulchrum Botryosporium pulchrum Botryosporium pulchrum is an ascomycete fungus that is a plant pathogen.- External links :* *... |
Leaf 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 tenuis Cercospora brunkii Cercospora brunkii Cercospora brunkii is a fungal plant pathogen.- External links :**... Bipolaris setariae Cochliobolus setariae Cochliobolus setariae Cochliobolus setariae is a fungal plant pathogen.- External links :**... [teleomorph] Bipolaris maydis Cochliobolus heterostrophus Cochliobolus heterostrophus Cochliobolus heterostrophus is a fungal plant pathogen. It can cause Southern Corn Leaf Blight in Maize.Cochliobolus heterstrophus is found in many tropical regions and in the southern part of the US. Cochliobolus, although not currently the most economically serious disease, can be a very... [teleomorph] Ascochyta Ascochyta Ascochyta is a genus of ascomycote fungi, containing several pathogens to plants. The taxonomy of this genus is still incomplete.Some of these pathogens affect grass species, including grains.- Some species of Ascochyta :... spp. Discohainesia oenotherae Pleosphaerulina spp. Colletotrichum gloeosporioides 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.-... [teleomorph] Phyllosticta Phyllosticta Phyllosticta is a genus of fungi. Many of the species in this genus are plant pathogens.-Species:*Phyllosticta aberiae*Phyllosticta abietis*Phyllosticta abortiva*Phyllosticta abramovii*Phyllosticta abricola... spp. Cylindrocladium scoparium Calonectria kyotensis Calonectria kyotensis Calonectria kyotensis is a fungal plant pathogen.- External links :* *... [teleomorph] |
Phytophthora root rot | Phytophthora Phytophthora Phytophthora is a genus of plant-damaging Oomycetes , whose member species are capable of causing enormous economic losses on crops worldwide, as well as environmental damage in natural ecosystems. The genus was first described by Heinrich Anton de Bary in 1875... spp. |
Powdery mildew | Erysiphe communis |
Pythium root rot | 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 root and crown rot | 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] |
Rust | Puccinia pelargonii-zonalis Puccinia pelargonii-zonalis Puccinia pelargonii-zonalis is a plant pathogen that causes rust on Pelargonium geraniums.- External links :* *... |
Verticillium wilt | Verticillium albo-atrum Verticillium albo-atrum Verticillium albo-atrum is a plant pathogen.-External links:* *... 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 :* *... |
Virus diseases
Virus diseases |
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Leaf cupping and curling | Beet curly top virus Beet curly top virus Beet curly top virus is a plant pathogenic virus of the family Geminiviridae.-External links:**... |
Mosaic | Arabis mosaic virus Arabis mosaic virus Arabis mosaic virus is a plant pathogenic virus of the family Comoviridae.-External links:**... Cucumber mosaic virus Cucumber mosaic virus Cucumber mosaic virus is a plant pathogenic virus in the family Bromoviridae.It is the type member of the plant virus genus, Cucumovirus. This virus has a worldwide distribution and a very wide host range. In fact it has the reputation of having the widest host range of any known plant virus... Tobacco mosaic virus Tobacco mosaic virus Tobacco mosaic virus is a positive-sense single stranded RNA virus that infects plants, especially tobacco and other members of the family Solanaceae. The infection causes characteristic patterns on the leaves . TMV was the first virus to be discovered... Impatiens necrotic spot virus Impatiens necrotic spot virus SummaryImpatiens necrotic spot virus ' is a plant pathogenic virus of the family Bunyaviridae. It was originally believed to be another strain of Tomato spotted wilt virus but genetic investigations revealed them to be separate viruses... Tobacco rattle virus Tobacco rattle virus Tobacco rattle virus is a plant pathogenic virus.-External links:**... |
Pelargonium flower break | Pelargonium flower break virus Pelargonium flower break virus Pelargonium flower break virus is a plant pathogenic virus of the family Tombusviridae.-External links:**... |
Pelargonium line pattern | Pelargonium line pattern virus Pelargonium line pattern virus Pelargonium line pattern virus is a plant pathogenic virus of the family Tombusviridae.-External links:**... |
Pelargonium ring pattern | Pelargonium ring pattern virus |
Pelargonium ringspot | Tomato ringspot virus Tomato ringspot virus Tomato ringspot virus is a plant pathogenic virus of the family Comoviridae. It affects tomatoes.-External links:* Descriptions of Plant Viruses: **... 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... |
Pelargonium zonale spot | Pelargonium zonale spot virus |
Vein clearing | Pelargonium vein clearing virus Pelargonium vein clearing virus Pelargonium vein clearing virus is a plant pathogenic virus of the family Rhabdoviridae.-External links:**... |
Nematodes, parasitic
Nematodes, parasitic |
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Foliar nematode | Aphelenchoides coffeae Aphelenchoides fragariae Aphelenchoides fragariae Aphelenchoides fragariae is a plant pathogenic nematode.... |
Nematodes | Pratylenchus pratensis Pratylenchus pratensis Pratylenchus pratensis is a plant pathogenic nematode.- External links :*... Tylenchorhynchus dubius Tylenchorhynchus dubius Tylenchorhynchus dubius is a plant pathogenic nematode.- External links :*... Xiphinema americanum Xiphinema americanum Xiphinema americanum is a plant pathogenic nematode. It is one of many species that belongs to the genus Xiphinema. It was first described by N. A. Cobb in 1913, who found it on both sides of the United States on the roots of grass, corn, and citrus trees. Not only is Xiphinema americanum known to... |
Root knot | Meloidogyne arenaria Meloidogyne arenaria Meloidogyne arenaria is a plant pathogenic nematode.- External links :*... Meloidogyne hapla 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.... |
Miscellaneous diseases and disorders
Miscellaneous diseases and disorders |
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Edema (Oedema) |
Moisture imbalance in plants when soil is warm and wet while the air is cool and wet |
Leaf bleaching |
Heat stress |
Yellow net vein |