WSU Extension

Hortsense

Cherry : Prunus necrotic ringspot
(revision date: 5/20/2014)


Biology
Prunus necrotic ringspot is a viral disease affecting most cultivated Prunus species. Leaves may show various symptoms including brown, sunken, necrotic spots; chlorotic (yellowish to white) blotches or other patterns; or dark rings etched on the leaf. The necrotic spots may drop from the leaf, giving it a "shotholed" appearance. The disease is spread to healthy trees via infected pollen and by grafting.
Management Options

Non-Chemical Management
  • Remove infected trees from orchards, if desired.
  • Plant and graft only with stock that is certified virus-free.
Select non-chemical management options as your first choice!

Chemical Management

None recommended

Images
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Caption: Prunus necrotic ringspot virus symptoms
Photo by: M.L. Putnam
Caption: Prunus necrotic ringspot virus symptoms
Photo by: J.W. Pscheidt