The hop stunt viroid (abbreviated HSVd) is a viroid species that infects the common hop plant,[1] citrus plants, grapevines, cucumber, and several Prunus species such as almond, apricot, plum, and peach.[2][3] It is asymptomatic or latent in most host plants, but in some hosts it can cause stunting and other symphtoms. A study of HSVd-infected hops in the USA showed that the severity of yield reduction was highly dependent on the infected hop cultivar.[4]
HSVd is a member of the Pospiviroidae family and the Hostuviroid genus.
There are quite a few different sub-species of the hop stunt viroid.
^"hop stunt viroid (HSVd) (Hostuviroid HSVd )". IPM Images. 23 June 2009. Retrieved 31 December 2018.
^Jo, Yeonhwa; Chu, Hyosub; Kim, Hangil; Cho, Jin Kyong; Lian, Sen; Choi, Hoseong; Kim, Sang-Min; Kim, Sun-Lim; Lee, Bong Choon; Cho, Won Kyong (May 2017). "Comprehensive analysis of genomic variation of Hop stunt viroid". European Journal of Plant Pathology. 148 (1): 119–127. doi:10.1007/s10658-016-1075-7. ISSN 0929-1873. S2CID 22949821.
^Kofalvi 1997. "Hop stunt viroid (HSVd) sequence variants from Prunus species: evidence for recombination between HSVd isolates. J Gen Virol 78 (12): 3177". vir.sgmjournals.org. Archived from the original on 2003-07-19.{{cite web}}: CS1 maint: numeric names: authors list (link)
^Kappagantu, Madhu; Nelson, Mark E.; Bullock, Jeff M.; Kenny, Stephen T.; Eastwell, Kenneth C. (April 2017). "Hop Stunt Viroid : Effects on Vegetative Growth and Yield of Hop Cultivars, and Its Distribution in Central Washington State". Plant Disease. 101 (4): 607–612. doi:10.1094/PDIS-06-16-0884-RE. ISSN 0191-2917. PMID 30677365.
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