Sweet potatoes are vegetative propagated from vines, root slips sprouts, or tubers. Protein localization prediction algorithms failed to identify a nuclear localization signal nls in pydv nucleocapsid n protein, although pydvn has. The literature pertaining to virus or viruslike diseases of sweet potatoes suggests that there are only two diseases definitely caused by viruses. Knowledge bank potato yellow dwarf virus plantwise. Potato plant stunted by potato yellow dwarf virus pydv infection. Potato yellow dwarf virus pydv is a plant virus of order mononegavirales, family rhabdoviridae and genus nucleorhabdovirus. Sweet potato virus disease is a disease complex caused by two viruses. Limited evidence is presented which indicates thatchrysanthemum leucanthemum var. Garlic samples showing symptoms of onion yellow dwarf virus oydv were obtained from previous study and tested by indirectenzyme linked immunosorbent assay ielisa, transmitted to chenopodium amaranticolor and then confirmed by immunosorbent electron microscopy isem for the presence of oydv. Through electron microscope the virus is as follows. Feathery mottle virus symptoms russet crack strain on. Yellow dwarf virus belongs to the genus onion potyvirus a group of viruses which plants are natural hosts.
Potyvirus y elisa polyclonal cip y worldwide losses reach 1080 %. Potato yellowdwarf virus definition of potato yellow. Yellow dwarf virus was transmitted under controlled conditions by the bean aphid aphis ntmiscis linn. Previously, the virus was known as sweet potato chlorotic dwarf disease. Pdf detection and elimination of sweetpotato viruses. The yellow dwarf virus was inactivated when the viriferous juice. The presence of the yellow dwarf virus was demonstrated in naturally infected plants of the following species. Potato yellow dwarf virus pydv is the type species of the genus. Stylet penetration behaviors of myzus persicae hemiptera.
Pydv potato yellow dwarf virus plant virus acronymfinder. Information about potato yellow dwarf virus diagnosis, including distribution and. Yellow dwarf, a virus transmitted by the whitefly trialeurodes abutilonea hald. Feb 02, 2012 potato yellow dwarf virus pydv is the type species of the genus nucleorhabdovirus and, like all members of this genus, replication and morphogenesis occurs inside the nuclei of infected cells. Potato yellow dwarf virus potato yellow dwarf virus 19800301 00. Pydv is defined as potato yellow dwarf virus plant virus somewhat frequently. Narrow bands around the storage root, symptomatic of sweet potato feathery mottle virus top. Plant viruses transmitted by whiteflies cause over 40 diseases of vegetable and fiber crops worldwide. Potato virus y pvy is one of the most prevalent and important viruses in potatoes. Weve worked for some of the largest and most successful companies in the world. Recently, strains of pvy which can cause necrosis dead spots on leaves and in tubers have been discovered, creating more concern about this widespread virus.
Death of the apex occurs and is followed by necrosis of the upper axillary buds. This information is part of a full datasheet available in the crop protection. The presence of the yellow dwarf virus was demonstrated in naturally infected plants of the following. Occasionally, tubers produced by yellow dwarf plants are irregular, knobby and cracked. From legacy to the razors edge, we have the expertise needed to provide smart, reasoned solutions.
Sweet potato yellow dwarf virus spydv is a plant pathogenic virus of the family potyviridae. The nucleocapsid protein of potato yellow dwarf virus. Apr 01, 2014 in the united states, the most common sweet potato viruses are the potyviruses, namely, sweet potato feathery mottle virus spfmv, sweet potato virus g spvg, and sweet potato virus 2 spv2, synonym ipomoea vein mosaic virus. Sweet potato yellow dwarf virus how is sweet potato yellow dwarf virus abbreviated. Carlavirus, betaflexiviridae and sweet potato chlorotic stunt virus spcsv. Yellow dwarf affected plants produce fewer and smaller tubers on short stolons.
In this study, sweet potato chlorotic fleck virus spcfv. Sweetpotato chlorotic stunt is caused by a virus of the same name. Potexvirus y elisa polyclonal cip y worldwide usually 15 20 % contact potato virus y pvy order. Pydv causes stunted growth, dwarfing, apical yellowing and necrosis. Sweetpotato virus detection australian sweet potato growers. Mixed infections of four viruses, the incidence and phylogenetic. Potato yellowdwarf virus used as a noun is very rare. Sweet potato plants our varieties georges plant farm.
Therefore, virus diseases can be a major constrain, reducing yields markedly, often more than 50%. The onion virus is not, or poorly, infectious to leek and the leek virus behaves similarly in onion. Pydv stands for potato yellow dwarf virus plant virus suggest new definition. For example, in the luteovirus complex barley and cereal yellow dwarf viruses in. Sweet potato virus c spvc, a distinct species that was formerly spfmv common strain untiveros.
Weed suscepts of the potato yellow dwarf virus springerlink. Potato yellow dwarf virus how is potato yellow dwarf. Nov 20, 2019 inoculation of vector cell monolayers with potato yellow dwarf virus. It is confirmed that spcsv enhances the accumulation of spfmv. Molecular characterization of onion yellow dwarf virus.
The study identified four of the six most important viruses. Sweet potato ipomoea batatas is ranked seventh in global food crop production and is the third most important root crop after potato and cassava. Sweet potato production is a major agricultural business in the southern u. Spydv is defined as sweet potato yellow dwarf virus rarely. The virion morphology and vector of spy dv are similar to those of spmmv.
Pydv stands for potato yellow dwarf virus plant virus. Sweet potato cakes with yellow corn, basil and goat cheese food and wine extravirgin olive oil, all purpose flour, thyme leaves, corn kernels and 9 more ground turkey sweet potato skillet primavera kitchen. Protein localization prediction algorithms failed to identify a nuclear localization signal nls in pydv nucleocapsid n protein, although pydvn has been shown to localize exclusively to the nucleus. Sweet potato yellow dwarf virus how is sweet potato. How is potato yellow dwarf virus plant virus abbreviated. This definition appears somewhat frequently and is found in the following acronym finder categories. General information about onion yellow dwarf virus oydv00. Whitefly transmission of sweet potato viruses sciencedirect. The barley yellow dwarf virus disease on cereal crops in the netherlands. Sweet potato yellow dwarf virus how is sweet potato yellow. Only limited information is available on wild species able to host economically important viruses that infect sweetpotatoes ipomoea batatas. Viruses and virus disease complexes of sweetpotato rodrigo a.
Potato yellowdwarf virus definition of potato yellowdwarf. Control of sweet potato virus diseases sciencedirect. Sweetpotato viruses and phytoplasmas found in australia. Damage is also caused when sweet potato whitefly vectors plant viruses. The onion yellow dwarf virus oysv is not spread by seed, but infected bulbs transplants, volunteers always produce diseased plants and serve as sources of contamination for following seasons, especially when aphid populations are high. We would like to show you a description here but the site wont allow us. A small population of whiteflies is sufficient to cause considerable damage cohen and berlinger, 1986. The yellow dwarf virus was inactivated when the viriferous juice was stored in vitro at 29 c. Yellow dwarf, a virus disease of onions, and its control. Elimination of sweet potato yellow dwarf virus spydv by meristem.
With a chunky root, the yellow jewell is resistant to fusarium wilt, southern root, knot nematode, internal cork. Developed by north carolina state university, the yellow jewell has a coppercolored skin and moist bright orange flesh, is great for baking and steaming. Sweet potato cakes with yellow corn, basil and goat cheese food and wine extravirgin olive oil, all purpose flour, thyme leaves, corn kernels and 9 more ground. Sweetpotato software has been providing software development, it services, and solutions since 2003. Potato yellow dwarf definition of potato yellow dwarf by. Potato yellow dwarf definition of potato yellow dwarf by the free dictionary. Sweet potato diseases and pests, description, uses, propagation. Onion yellow dwarf virus oydv00overview eppo global database. Potato yellow dwarf virus how is potato yellow dwarf virus. Development of virus resistant sweet potato varieties.
Mixed infections of four viruses, the incidence and. A list of lyrics, artists and songs that contain the term potato yellowdwarf virus from the website. Multiplication of potato yellow dwarf virus on vector cell monolayers. In fact, wherever sweet potatoes and some other members of the. Neither virus is adequately characterized, and a direct comparison has not been made to determine the extent of biochemical relationships, but sufficient. The virus was first identified in 1922 in the us by barrus and chupp 1922 who reported a new virus that was killing potatoes. Efforts are being made to expand the utility of sweet potato. Fifteen new weed suscepts of the potato yellow dwarf virus are reported. The symptoms are sever stunting of infected plants, stunting, distorted and chlorotic mottle or vein clearing of the leaves. Potato virus x pvx, potato virus s pvs, potato virus m pvm and potato leafroll virus plrv at 64. Potato yellow dwarf virus pydv is the type species of the genus nucleorhabdovirus and, like all members of this genus, replication and morphogenesis occurs inside the nuclei of infected cells.
Specific transmission of varieties of potato yellowdwarf virus by related insects. Sophisticated bioinformatics software is then used to analyse and assemble the short sequences, to provide full. The internal symptoms include rusty coloured specks in the pith and cortex at the nodes of the upper portion of stalks. With a chunky root, the yellow jewell is resistant to fusarium wilt, southern root, knot nematode, internal cork, and sweet potato beetle. The virus synergises sweetpotato feathery mottle virus spfmv potyvirus. Later symptoms in potato showing dwarfing and apical yellowing as it often appears in the field. The virus is known for its various effects on potato plants including stunted growth, dwarfing and apical yellowing. When combined with sweet potato chlorotic stunt virus, the two become one disease called sweet potato virus. How is sweet potato yellow dwarf virus abbreviated. Spydv sweet potato yellow dwarf virus acronymfinder. Sweet potato yellow dwarf virus spy d v was described recently in taiwan 6.
For the first time the virus has been identified in the netherlands in 1929. Verhoyen, 1973 is now known to differ from onion yellow dwarf virus. Potato yellowdwarf virus noun the noun potato yellowdwarf virus has 1 sense 1. Sweet potato diseases and pests, description, uses. New natural weed hosts of sweet potato feathery mottle virus in syria. Viruses infecting wild flora may have a significant negative impact on nearby crops, and viceversa. Potato yellowdwarf virus noun the noun potato yellowdwarf virus has 1 sense. Therefore, plant diseasefree transplants and rotate out of onion production for at least three years. Comparative efficiences of assays of a plant virus by lesions on leaves and on vector cell monolayers.