Citrus Canker

Raghuwinder Singh  |  7/18/2016 5:43:12 PM

Citrus canker is a bacterial disease caused by Xanthomonas citri subsp. citri. It is thought to have originated in Southeast Asia.

Different strains of the plant disease occur in citrus-growing regions of the world, but the Asiatic strain is considered to be the most severe and widespread form of citrus canker. It is a serious disease of citrus because it causes defoliation, premature fruit drop, blemished fruit and tree decline – and severely infected trees ultimately may stop producing fruit.

The disease was first detected in Florida in 1910. By 1914, it spread to seven Gulf and Atlantic coastal states including Louisiana. Until recently, the disease had not been seen in Louisiana since 1940, however. But it reappeared and was detected in the state on June 28, 2013.

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