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First Report of Pythium dissotocum Affecting Cilantro in Hydroponic Systems in Puerto Rico

G. Romero, C. E. de Jensen, and A. J. Palmateer

December 2012


Pythium dissotocum was detected on cilantro in hydroponic systems in Puerto Rico. Isolates from stem lesions were inoculated in cilantro ’Lonestar’ and in pea ’Sugar Baby,’ producing soft rot 21 and 15 days after inoculation, respectively. The pathogen was re-isolated from diseased plants and it was confirmed to be Pythium dissotocum by PCR.


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