Citrus Canker Detected In Louisiana
July 12, 2013 
USDA’s Animal and Plant Health Inspection Service (APHIS) has confirmed the identification of Xanthomonas axonopodis pv. citri, the bacterial causal agent of citrus canker, from citrus leaf samples collected from two trees in City Park, New Orleans, Orleans Parish, Louisiana. This is a new state record.
APHIS and the Louisiana Department of Agriculture and Forestry (LDAF) are working together to survey citrus trees in City Park and the surrounding area for citrus canker symptoms. To date, three trees at City Park and a tree in a residential area nearby have been confirmed positive for canker.
Currently, APHIS regulates Orleans Parish for citrus greening. There is no commercial production in this urban area or commercial citrus packinghouses or commercial citrus nursery stock operations in the parish. Following the completion of delimiting surveys and an analysis of the information, APHIS and the LDAF will determine the extent of the quarantine boundaries. Prior to this detection, the disease had only been confirmed in Florida.
Under IPPC Standards, Xanthomonas axonopodis pv. citri is considered to be a pest that is present, only in Florida and in a city park in one Parish in Louisiana and subject to official control in the U.S.
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