Apple chlorotic leafspot virus

Apple chlorotic leafspot virus (ACLSV) is a plant pathogenic virus of the family Betaflexiviridae.

Apple chlorotic leafspot virus
Virus classification
(unranked): Virus
Realm: Riboviria
Kingdom: Orthornavirae
Phylum: Kitrinoviricota
Class: Alsuviricetes
Order: Tymovirales
Family: Betaflexiviridae
Genus: Trichovirus
Species:
Apple chlorotic leafspot virus
Synonyms

pear ring pattern mosaic virus
apple latent virus type 1
plum pseudopox virus
quince stunt virus

Damages

This virus reduces tree vigor (50% on pear), reduces yield (40% on pear), and causes quality reduction on fruits (if symptomatic).

Pathogen

This virus is a trichovirus with filamentous particles. It has no natural vectors and it is easily transmitted mechanically to herbaceous hosts.

Transmission

The virus is only transmitted by grafting using infected clonal rootstocks, top-working existing trees with infected scion cultivars, and using infected trees as a source of propagation materials.


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