Necrotic ringspots, chlorotic mosaic patterning, and streaking on leaves, sometimes with sunken lesions; frequently found together with Cymbidium mosaic virus, worsening symptoms in mixed infections.
Cause & development
Frequently studied together with Cymbidium mosaic virus in recent open-access detection research (Chang et al., Viruses, 2024, PMID 38675886). EPPO code ORSV00.
Favorable conditions
•Mechanical transmission via contaminated cutting tools
•Extremely stable virus that persists on tools and surfaces between uses
Management
1Sanitize cutting tools thoroughly between every plant
2Isolate and avoid propagating from infected plants
3Buy from reputable, virus-tested orchid sources — there is no cure once infected