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Hosta virus X (HVX) is a virus that infects hostas. [1] The disease was first identified in 1996 by Dr. Benham Lockhart at the University of Minnesota , and grouped with the potexviruses . [ 1 ] [ 2 ] The virus has reached epidemic proportions and is not uncommon to find in many garden centers and nurseries .
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Potexvirus is a genus of pathogenic viruses in the order Tymovirales, in the family Alphaflexiviridae.Plants serve as natural hosts. There are 48 species in this genus, three of which are assigned to a subgenus.
Hosta with virus X. Hosta leaves and stems are eaten by deer, rabbits, slugs and snails, and the roots and rhizomes are eaten by voles, all of these can cause extensive damage to collections in gardens. Some varieties seem more resistant to slug damage, which is more prevalent later in the growing season, than others.
Vaccines are another method of virotherapy that use attenuated or inactivated viruses to develop immunity to disease. An attenuated virus is a weakened virus that incites a natural immune response in the host that is often undetectable. The host also develops potentially life-long immunity due to the attenuated virus's similarity to the actual ...
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Some of them are potato virus X , potato virus S and potato virus M , as well as PVY and PVA. Depending on the virus variant and the potato cultivar considered, PVX can decrease tuber yield by more than 10%, making it one of the most important potato viruses after PLRV. It is transmitted by infected tubers and by contact; it is not transmitted ...
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