The state and federal governments ordered that all commercial groves, all non-commercial citrus trees, and all native lime trees (C. glauca) in the vicinity of Emerald be destroyed rather than trying to isolate infected trees.
Citrus canker spread rapidly throughout southern Florida following Hurricane Wilma, creating further hardships on an already stressed citrus economy due to damage from Wilma and previous years' hurricanes.
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Plants in both natural and cultivated populations carry inherent disease resistance, but there are numerous examples of devastating plant disease impacts (see Irish Potato Famine, Chestnut blight), as well as recurrent severe plant diseases (see Rice blast, Soybean cyst nematode, Citrus canker).