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Phoma
''Phoma'' is a genus of common coelomycetous soil fungi. It contains many plant pathogenic species. Description Spores are colorless and unicellular. The pycnidia are black and depressed in the tissues of the host. ''Phoma'' is arbitrarily limited to those species in which the spores are less than 15 µm as the larger spored forms have been placed in the genus ''Macrophoma''. The most important species include ''Phoma beta'' which is the cause of the heart rot and blight of beets, ''Phoma batata'' that produces a dry rot of sweet potato, and ''Phoma solani''. Taxonomy About 140 ''Phoma'' taxa have been defined and recognized which may be divided into two large groups: (i) plurivorous fungi, generally saprobic or weakly parasitic, mainly from temperate regions in Eurasia, but occasionally also found in other parts of the world (including areas with cool or warm climates); and (ii) specific pathogens of cultivated plants. However other estimates place the number of taxa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phoma Beta
''Phoma'' is a genus of common coelomycetous soil fungi. It contains many plant pathogenic species. Description Spores are colorless and unicellular. The pycnidia are black and depressed in the tissues of the host. ''Phoma'' is arbitrarily limited to those species in which the spores are less than 15 µm as the larger spored forms have been placed in the genus ''Macrophoma''. The most important species include ''Phoma beta'' which is the cause of the heart rot and blight of beets, ''Phoma batata'' that produces a dry rot of sweet potato, and ''Phoma solani''. Taxonomy About 140 ''Phoma'' taxa have been defined and recognized which may be divided into two large groups: (i) plurivorous fungi, generally saprobic or weakly parasitic, mainly from temperate regions in Eurasia, but occasionally also found in other parts of the world (including areas with cool or warm climates); and (ii) specific pathogens of cultivated plants. However other estimates place the number of taxa c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phoma Batata
''Phoma'' is a genus of common coelomycetous soil fungi. It contains many plant pathogenic species. Description Spores are colorless and unicellular. The pycnidia are black and depressed in the tissues of the host. ''Phoma'' is arbitrarily limited to those species in which the spores are less than 15 µm as the larger spored forms have been placed in the genus ''Macrophoma''. The most important species include ''Phoma beta'' which is the cause of the heart rot and blight of beets, ''Phoma batata'' that produces a dry rot of sweet potato, and ''Phoma solani''. Taxonomy About 140 ''Phoma'' taxa have been defined and recognized which may be divided into two large groups: (i) plurivorous fungi, generally saprobic or weakly parasitic, mainly from temperate regions in Eurasia, but occasionally also found in other parts of the world (including areas with cool or warm climates); and (ii) specific pathogens of cultivated plants. However other estimates place the number of taxa c ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phoma Solani
''Phoma'' is a genus of common coelomycetous soil fungi. It contains many plant pathogenic species. Description Spores are colorless and unicellular. The pycnidia are black and depressed in the tissues of the host. ''Phoma'' is arbitrarily limited to those species in which the spores are less than 15 µm as the larger spored forms have been placed in the genus ''Macrophoma''. The most important species include ''Phoma beta'' which is the cause of the heart rot and blight of beets, ''Phoma batata'' that produces a dry rot of sweet potato, and '' Phoma solani''. Taxonomy About 140 ''Phoma'' taxa have been defined and recognized which may be divided into two large groups: (i) plurivorous fungi, generally saprobic or weakly parasitic, mainly from temperate regions in Eurasia, but occasionally also found in other parts of the world (including areas with cool or warm climates); and (ii) specific pathogens of cultivated plants. However other estimates place the number of tax ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phoma Clematidina
''Calophoma clematidina'' is a fungal plant pathogen and the most common cause of the disease clematis wilt affecting large-flowered varieties of ''Clematis''. Symptoms of infection include leaf spotting, wilting of leaves, stems or the whole plant and internal blackening of the stem, often at soil level.van de Graaf P. (1999). ''Biology and Control of Phoma clematidina, causal Agent of Clematis Wilt''. PhD thesis, University of Derby, Derby, UK. Infected plants growing in containers may also develop root rot. 3, 3·7·67. Taxonomy The asexual stage (anamorph) of the fungus was first described by the German botanist and mycologist Felix von Thümen in 1880 as ''Ascochyta clematidina''. Based on new scientific insights into the differences in spore formation between species, it was reclassified as ''Phoma clematidina'' by the Dutch mycologist Gerhard Boerema in 1978. Boerema G.H. and Dorenbosch M.M.J. (1979). "Mycologisch taxonomisch onderzoek". ''Verslagen en Mededelingen Plantenz ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phoma Candelariellae
''Phoma candelariellae'' is a species of lichenicolous fungus, lichenicolous (lichen-eating) fungus in the family Didymellaceae. It is found in the Central Anatolia Region of Turkey and in Ukraine, where it grows parasitism, parasitically on the apothecia (fruiting structures) of the saxicolous lichen, saxicolous (rock-dwelling) lichen ''Candelariella aurella''. Taxonomy The fungus was species description, formally described as a new species in 2016 by Zekiye Kocakaya and Mehmet Gökhan Halıcı. The type (biology), type specimen was collected northwest of Sivrihisar (Eskişehir) at an altitude of , where it was found growing on the apothecia of the saxicolous lichen ''Candelariella aurella'', which itself was growing on calcareous rocks. ''Phoma candelariellae'' is the only member of ''Phoma'' that grows on lichen genus ''Candelariella''. David Leslie Hawksworth, David Hawksworth and colleagues later expressed doubt about the placement of the taxon in genus ''Phoma'', suggestin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phoma Herbarum
''Phoma herbarum'' is a fungal plant pathogen infecting various plant species, including ''Alchemilla vulgaris'', '' Arabis petraea'', '' Arenaria norvegica'', ''Armeria maritima'', ''Bartsia alpina'', ''Capsella bursa-pastoris'', ''Erysimum'', ''Euphrasia frigida'', ''Honckenya peploides'', ''Matricaria maritima'', ''Rumex longifolius'', '' Thymus praecox'' and ''Urtica dioica ''Urtica dioica'', often known as common nettle, burn nettle, stinging nettle (although not all plants of this species sting) or nettle leaf, or just a nettle or stinger, is a herbaceous perennial flowering plant in the family Urticaceae. Ori ...''.Helgi Hallgrímsson & Guðríður Gyða Eyjólfsdóttir (2004)''Íslenskt sveppatal I - smásveppir'' [Checklist of Icelandic Fungi I - Microfungi Fjölrit Náttúrufræðistofnunar. Náttúrufræðistofnun Íslands [Icelandic Institute of Natural History]. ISSN 1027-832X References Fungal plant pathogens and diseases Hop diseases Hemp diseases ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phoma Costaricensis
''Phoma costaricensis'' is a plant pathogen infecting coffee Coffee is a drink prepared from roasted coffee beans. Darkly colored, bitter, and slightly acidic, coffee has a stimulant, stimulating effect on humans, primarily due to its caffeine content. It is the most popular hot drink in the world. S .... It is a soil fungus that infects the leaves and fruits of the coffee plant prior to the fruit ripening. References External links Index FungorumUSDA ARS Fungal Database Fungal plant pathogens and diseases Coffee diseases Phoma Fungi described in 1957 {{fungus-plant-disease-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Didymellaceae
The Didymellaceae are a family of fungi in the order Pleosporales. The have a world-wide distribution. Recent phylogenetic examination of some of the larger genera of the Pleosporales, particularly ''Phoma'', has led to considerable reorganisation of the order, many of the species being placed in this family. It was originally made with ''Atradidymella'', ''Boeremia'', ''Chaetopyrena'', ''Didymella'', ''Endophoma'', ''Leptosphaerulina'', ''Macroventuria'', ''Peyronellaea'', ''Phoma'', ''Platychora'' and ''Stagonosporopsis''. ''Atradidymella'' is now placed within Pleosporales order, and ''Endophoma'' (is unplaced). Taxonomy Genera as accepted by GBIF; * '' Allophoma'' (14) * '' Amerodothis'' (3) * ''Ascochyta'' (819) * '' Ascochytella'' (14) * '' Ascochytula'' (6) * '' Basiascella'' (1) * ''Boeremia'' (26) * '' Calophoma'' (19) * '' Cerebella'' (5) * '' Chaetasbolisia'' (7) * ''Chaetopyrena'' (6) * '' Chlamydosporium'' (1) * '' Deuterophoma'' (3) * ''Didymella'' (34 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phoma Caricae-papayae
''Phoma caricae-papayae'' is a fungal A fungus ( : fungi or funguses) is any member of the group of eukaryotic organisms that includes microorganisms such as yeasts and molds, as well as the more familiar mushrooms. These organisms are classified as a kingdom, separately from th ... plant pathogen infecting papayas. References External links Index FungorumUSDA ARS Fungal Database Phoma Fungal tree pathogens and diseases Papaya tree diseases Fungi described in 1955 {{fungus-tree-disease-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Phoma Cucurbitacearum
''Phoma cucurbitacearum'' is a fungus, fungal plant pathogen infecting cucurbits. References External links Index FungorumUSDA ARS Fungal Database Fungal plant pathogens and diseases Vegetable diseases Cucurbitaceae Phoma Fungi described in 1823 {{fungus-plant-disease-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pycnidia
A pycnidium (plural pycnidia) is an asexual fruiting body produced by mitosporic fungi, for instance in the order Sphaeropsidales ( Deuteromycota, Coelomycetes) or order Pleosporales (Ascomycota, Dothideomycetes). It is often spherical or inversely pearshaped ( obpyriform) and its internal cavity is lined with conidiophores. When ripe, an opening generally appears at the top, through which the pycnidiospore {{Short pages monitor [Baidu] |
Pleosporales
The Pleosporales is the largest order in the fungal class Dothideomycetes. By a 2008 estimate it contains 23 families, 332 genera and more than 4700 species. The majority of species are saprobes on decaying plant material in fresh water, marine, or terrestrial environments, but several species are also associated with living plants as parasites, epiphytes or endophytes. The best studied species cause plant diseases on important agricultural crops e.g. ''Cochliobolus heterostrophus'', causing southern corn leaf blight on maize, ''Phaeosphaeria nodorum'' (''Stagonospora nodorum'') causing glume blotch on wheat and ''Leptosphaeria maculans'' causing a stem canker (called blackleg) on cabbage crops (''Brassica''). Some species of Pleosporales occur on animal dung and a small number occur as lichens and rock-inhabiting fungi. Taxonomy The order was proposed in 1955 as Dothideomycetes with perithecioid ascomata with pseudoparaphyses amongst the asci, at which time there were sev ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
