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PP290: Citrus Diseases Exotic to Florida: Mal Secco

Figure 1. A sour orange leaf affected by mal secco disease, showing vein chlorosis. Credits: Reprinted with permission from Figure 2 of Q. Migheli, et al., “Mal Secco Disease Caused by Phoma tracheiphila: A Potential Threat to Lemon Production Worldwide,” Plant Disease (2009) 93: 852-67. Courtesy of American Phytopathological Society (APS) Press.