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Alternaria
Alternaria sp.
Alternaria sp.
Scientific classification
Kingdom: Fungi
Phylum: Ascomycota
Subdivision: Pezizomycotina
Class: Dothideomycetes
Order: Pleosporales
Genus: Alternaria
Species

Many, see text

Alternaria is a genus of ascomycete fungi. A fungus (ˈfʌŋgəs is a eukaryotic Organism that is a member of the kingdom Fungi (ˈfʌndʒaɪ Ascomycota is a Division / Phylum of Fungi, and subkingdom Dikarya, whose members are commonly known as the Sac Fungi. Pezizomycotina is a subphylum of the Ascomycota (fungi which form their spores in a sac-like ascus) and is more or less synonymous with the older taxon Euascomycota Dothideomycetes is a class of Ascomycete Fungi. It comprises about 50 families 650 genera and 6300 known species Pleosporales is an order of Dothideomycetes. Ascomycota is a Division / Phylum of Fungi, and subkingdom Dikarya, whose members are commonly known as the Sac 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. An allergen is a nonparasitic Antigen capable of stimulating a Type-I hypersensitivity reaction in atopic individuals Hay Fever is a comic play written by Noel Coward in 1924 and first produced in 1925 with Marie Tempest as the first Judith Bliss Asthma is a chronic Condition involving the Respiratory system in which the airways occasionally constrict become inflamed, and are They readily cause opportunistic infections in immunocompromised people such as AIDS patients. An opportunistic infection is an infection caused by Pathogens that usually do not cause disease in a healthy Immune system.

There are 44 definite, well-known species, but there may be hundreds more. They are ubiquitous in the environment and are a natural part of fungal flora almost everywhere. They are normal agents of decay and decomposition. Decomposition (or spoilage) refers to the break down of tissue of a formerly living Organism into simpler forms of matter The spores are airborne and found in the soil and water, as well as indoors and on objects. In Biology, a spore is a reproductive structure that is adapted for dispersal and surviving for extended periods of time in unfavorable conditions The club-shaped spores are single or form long chains. They can grow thick colonies which are usually black or gray.

At least 20% of agricultural spoilage is caused by Alternaria species. Agriculture refers to the production of goods through the growing of plants and fungi and the raising of domesticated Animals The study of agriculture Many human health disorders can be caused by these fungi, which grow on skin and mucous membranes, including on the eyeballs and within the respiratory tract. The mucous membranes (or mucosae; singular mucosa) are linings of mostly endodermal origin covered in Epithelium, which are involved in Allergies are common, but serious infections are rare, except in people with compromised immune systems. However, species of this fungal genus are often prolific producers of a variety of toxic compounds. The effects most of these compounds have on animal and plant health are not well known. The terms alternariosis and alternariatoxicosis are used for disorders in humans and animals caused by a fungus in this genus.

Not all Alternaria species are pests and pathogens; some have shown promise as biocontrol agents against invasive plant species. Biological control of pests in Agriculture is a method of controlling pests (including Insects Mites Weeds and plant diseases Introduced species|Weed Invasive species is a phrase with several definitions

Selected species:

External links

This Ascomycota-related article is a stub. The tomato ( Solanum lycopersicum, syn Lycopersicon lycopersicum) is a herbaceous usually sprawling plant in the Solanaceae or nightshade family The nashi pear, Pyrus pyrifolia, is sometimes called the Asian pear. Alternaria brassicae is a Plant pathogen able to infect most Brassica species including important crops such as Brocoli, Alternaria brassicicola is a Plant pathogen. It causes brassica dark leaf spot on most Brassica species Brassicaceae or Cruciferae, also known as the crucifers, the mustard family or cabbage family is a family (the third lowest primary The carrot ( Daucus carota subsp sativus, Etymology: Middle French carotte, from Late Latin carōta, from Greek karōton The parsnip ( Pastinaca sativa) is a Root vegetable related to the Carrot. Alternaria dauci is a plant pathogen Alternaria euphorbiicola is a plant pathogen Wheat ( Triticum spp is a worldwide cultivated grass from the Levant area of the Middle East. Alternaria japonica is a plant pathogen Porpoises are Small Cetaceans of the Family Phocoenidae; they are related to Whales and Dolphins They are distinct from dolphins Alternaria panax is a plant pathogen who causes Alternaria blight of Ginseng. Ginseng refers to species within Panax, a genus of 11 species of slow-growing Perennial plants with fleshy roots in the family Araliaceae. Parsley ( Petroselinum crispum) is a bright Green, biennial Herb, also used as Spice. Alternaria solani is a fungal pathogen, producing a disease in Tomato and Potato plants called early blight. Alternaria solani is a fungal pathogen, producing a disease in Tomato and Potato plants called early blight. Alexanders is a commonly cultivated flowering plant Smyrnium olusatrum, belonging to the family Umbelliferae. Ascomycota is a Division / Phylum of Fungi, and subkingdom Dikarya, whose members are commonly known as the Sac Fungi. You can help Wikipedia by expanding it.
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