|
Velarivirus
''Velarivirus'' is a genus of viruses, in the family ''Closteroviridae''. Plants serve as natural hosts. There are eight species in this genus. Diseases associated with this genus include: GLRaV-7: symptomless in white-berried grapevine cultivar from Albania. However, it induces leafroll symptoms onto grafted cv. cabernet. Taxonomy The following species are assigned to the genus: * ''Areca palm velarivirus 1'' * ''Cordyline virus 1'' * ''Cordyline virus 2'' * ''Cordyline virus 3'' * ''Cordyline virus 4'' * '' Grapevine leafroll-associated virus 7'' * ''Little cherry virus 1'' * ''Malus domestica virus A ''Malus'' ( or ) is a genus of about 30–55 species of small deciduous trees or shrubs in the family Rosaceae, including the domesticated orchard apple, crab apples, wild apples, and rainberries. The genus is native to the temperate zone ...'' Structure Viruses in the genus ''Velarivirus'' are non-enveloped, with filamentous geometries. These viruses are about 1500-17 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Little Cherry Virus 1
Little cherry disease or LChD, sometimes referred to as little cherry, K & S little cherry or sour cherry decline, is a viral infectious disease that affects cherry trees, most notably sweet cherries (''Prunus avium'') and sour cherries (''Prunus cerasus''). Little cherry disease should not be confused with cherry buckskin disease, which is caused by Phytoplasma. Note that both diseases are among the diseases referred to as cherry decline. Causes Little cherry disease is associated with two filamentous plant viruses of the family ''Closteroviridae'', little cherry virus-1 (LChV-1) and little cherry virus-2 (LChV-2). Whereas little cherry virus-2 belongs to the genus ''Ampelovirus'', little cherry virus-1 has been assigned (2013) to the genus ''Velarivirus''. , "New genus ''Velarivirus'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Closteroviridae
''Closteroviridae'' is a family of viruses. Plants serve as natural hosts. There are four genera and 59 species in this family, seven of which are unassigned to a genus. Diseases associated with this family include: yellowing and necrosis, particularly affecting the phloem. Taxonomy Genome type and transmission vector are two of the most important traits used for classification. Ampeloviruses and Closteroviruses have monopartite genomes and are transmitted by pseudococcid mealybugs (and soft scale insects) and aphids respectively. While Criniviruses are bipartite and transmitted by whiteflies. Genera: * ''Ampelovirus'' * '' Closterovirus'' * '' Crinivirus'' * '' Velarivirus'' Unassigned species: * ''Actinidia virus 1'' * ''Alligatorweed stunting virus'' * '' Blueberry virus A'' * '' Megakespama mosaic virus'' * ''Mint vein banding-associated virus MiNT is Now TOS (MiNT) is a free software alternative operating system kernel for the Atari ST system and its successors. It ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Viruses
A virus is a submicroscopic infectious agent that replicates only inside the living cells Cell most often refers to: * Cell (biology), the functional basic unit of life Cell may also refer to: Locations * Monastic cell, a small room, hut, or cave in which a religious recluse lives, alternatively the small precursor of a monastery w ... of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea. Since Dmitri Ivanovsky's 1892 article describing a non-bacterial pathogen infecting tobacco plants and the discovery of the tobacco mosaic virus by Martinus Beijerinck in 1898,Dimmock p. 4 more than 9,000 virus species have been described in detail of the millions of types of viruses in the environment. Viruses are found in almost every ecosystem on Earth and are the most numerous type of biological entity. The study of viruses is known as virology, a subspeciality of microbiology. When infected, a host cell is ofte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Areca Palm Velarivirus 1
''Areca'' is a genus of 51 species of Arecaceae, palms in the family (biology), family Arecaceae, found in humid tropical forests from the islands of the Philippines, Malaysia and India, across Southeast Asia to Melanesia. The generic name ''Areca'' is derived from a name used locally on the Malabar Coast of India. Usage The best-known member of the genus is ''Areca catechu, A. catechu'', the areca nut palm. Several species of areca nuts, known for their bitter and tangy taste, raw or dried, are routinely used for chewing, especially in combination with the leaves of betel and dried leaves of tobacco. Areca nut is also popularly referred to as betel nut because of its usage for chewing with betel leaves. In Assam, areca nut is also known as ''tamul'' in the local dialect. Species (51 species) *''Areca abdulrahmanii'' J.Dransf. *''Areca ahmadii'' J.Dransf. *''Areca andersonii'' J.Dransf. *''Areca gandamatu'' Sultan Mardan Plantation *''Areca arundinacea'' Becc. *''Areca ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cordyline Virus 1
''Cordyline'' is a genus of about 15 species of woody monocotyledonous flowering plants in family Asparagaceae, subfamily Lomandroideae. The subfamily has previously been treated as a separate family Laxmanniaceae, or Lomandraceae. Other authors have placed the genus in the Agavaceae (now Agavoideae). ''Cordyline'' is native to the western Pacific Ocean region, from New Zealand, eastern Australia, southeastern Asia and Polynesia, with one species found in southeastern South America. The name ''Cordyline'' comes from the Greek word ''kordyle'', meaning "club," a reference to the enlarged underground stems or rhizomes. Species , the World Checklist of Selected Plant Families accepts 24 species: * '' Cordyline angustissima'' K.Schum. – New Guinea * ''Cordyline australis'' (G.Forst.) Endl. (Cabbage Tree) – New Zealand * '' Cordyline banksii'' Hook.f. (syn. ''C. diffusa'' Colenso.) – New Zealand * '' Cordyline cannifolia'' R.Br. – Australia: N.E. Northern Terr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Grapevine Leafroll-associated Virus 7
''Vitis'' (grapevine) is a genus of 79 accepted species of vining plants in the flowering plant family Vitaceae. The genus is made up of species predominantly from the Northern Hemisphere. It is economically important as the source of grapes, both for direct consumption of the fruit and for fermentation to produce wine. The study and cultivation of grapevines is called viticulture. Most cultivated ''Vitis'' varieties are wind-pollinated with hermaphroditic flowers containing both male and female reproductive structures, while wild species are dieceous. These flowers are grouped in bunches called inflorescences. In many species, such as ''Vitis vinifera'', each successfully pollinated flower becomes a grape berry with the inflorescence turning into a cluster of grapes. While the flowers of the grapevines are usually very small, the berries are often large and brightly colored with sweet flavors that attract birds and other animals to disperse the seeds contained within the berrie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Malus Domestica Virus A
''Malus'' ( or ) is a genus of about 30–55 species of small deciduous trees or shrubs in the family Rosaceae, including the domesticated orchard apple, crab apples, wild apples, and rainberries. The genus is native to the temperate zone of the Northern Hemisphere. Description Apple trees are typically talI at maturity, with a dense, twiggy crown. The leaves are long, alternate, simple, with a serrated margin. The flowers are borne in corymbs, and have five petals, which may be white, pink, or red, and are perfect, with usually red stamens that produce copious pollen, and a half-inferior ovary; flowering occurs in the spring after 50–80 growing degree days (varying greatly according to subspecies and cultivar). Many apples require cross-pollination between individuals by insects (typically bees, which freely visit the flowers for both nectar and pollen); these are called self-sterile, so self-pollination is impossible, making pollinating insects essential. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
.jpg "Click for more on -> Areca Palm Velarivirus 1")
