Papaya ringspot virus (PRSV) is a pathogenic plant virus[1] in the genus Potyvirus and the virus family Potyviridae which primarily infects the papaya tree.
The virus is a non-enveloped, flexuous rod-shaped particle that is between 760–800 nm long and 12 nm in diameter. It is transmitted between plants by mechanical activities like pruning and by numerous aphid species such as Myzus persicae. No seed transmission has been detected.[2]
There are two major types of this virus, but both are serologically indistinguishable and are so closely genetically related that they are now considered the same virus species. The type that gave the virus its name are the Type P isolates (PRSV-P). This type infects papaya and several members of the melon family (Cucurbitaceae). The other type, Type W isolates (PRSV-W), does not infect papaya. Isolates of PRSV-W do infect cucurbits such as watermelon, cucumber, and squash and were originally known as Watermelon mosaic virus 1.[3][4]
^"About Plant Viruses". Archived from the original on 2014-10-10. Retrieved 2014-10-09.
^"Description of Plant Viruses: Papaya ringspot virus".
^Webb; Scott (1965). "Isolation and identification of watermelon on mosaic viruses 1 and 2". Phytopathology. 55: 895–900.
^Purcifull, D.E.; Hiebert, E. (1979). "Serological Distinction of Watermelon Mosaic Virus Isolates" (PDF). Phytopathology. 69 (2). American Phytopathological Society: 112–116. doi:10.1094/phyto-69-112.
and 30 Related for: Papaya ringspot virus information
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European plane trees. The papayaringspotvirus devastated papaya trees in Hawaii in the twentieth century until transgenic papaya plants were given pathogen-derived...
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