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Citrus exocortis is a disease of citrus plants, caused by the Citrus exocortis viroid (CEVd). It can cause stunted growth and reduced yields in affected plants. The disease is also sometimes called "scalybutt".
CEVd can also infect tomato plants. The resulting disease is sometimes called "tomato bunchy top disease."
CEVd can be identified with bark shelling on trees grown on P. trifoliata or P. trifoliata hybrids. Other symptoms include leaf epinasty, stunting, and necrosis of the leaf midvein.
- "Citrus exocortis" (PDF). NSW Department of Primary industries. Retrieved 3 October 2011.
- Mishra MD, Hammond RW, Owens RA, Smith DR, Diener TO (August 1991). "Indian bunchy top disease of tomato plants is caused by a distinct strain of citrus exocortis viroid". Journal of General Virology. 72 (8): 1781–5. doi:10.1099/0022-1317-72-8-1781. PMID 1875190.
- "Citrus exocortis". Retrieved 24 October 2017.
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