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Food securityPathogen which caused Irish potato famine even more virulent now

Food securityPathogen which caused Irish potato famine even more virulent nowHomeland Security Newswire, July 19, 2013. The plant pathogen that caused the Irish potato famine in the 1840s lives on today with a different genetic blueprint and an even larger arsenal of weaponry to harm and kill plants. Jean Ristaino, plant pathology, featured.