Peach latent mosaic viroid
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decline of a peach tree, induced by Peach latent mosaic viroid (click on image to enlarge it)
Author: R. Flores
Source: IPM Images
Author: R. Flores
Source: IPM Images
symptoms induced in peach fruits by Peach latent mosaic viroid (click on image to enlarge it)
Author: R. Flores
Source: IPM Images
Author: R. Flores
Source: IPM Images
Peach latent mosaic viroid (PLMVd)
The viroid was first identified in France. It causes fruit deformation, decline and rapid aging of peach trees. It might induce chlorotic mosaic symptoms or extreme chlorosis and albinism (peach calico) on the leaves. Infected trees have a delayed foliation, flowering and ripening of the fruits. The disease remains latent for around 5 years before symptoms appear. The viroid spreads by infected propagating material, contaminated pruning tools and aphids.
| Vernacular names | |
|---|---|
| • English: | PLMVd peach calico peach latent mosaic viroid |
| • Español: | mosaico latente del melocotonero |
| • Français: | mosaïque latente du pêcher |
The RNA molecule contains between 335 and 351 nucleotides and lacks a central conserved region. It is circular and the secondary structure is branched and includes a hammerhead structure.
