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Palumbo JD, O'Keeffe TL, Kattan A, Abbas HK, Johnson BJ.Palumbo JD, et al.Phytopathology. 2010 Jun;100(6):532-8. doi: 10.1094/PHYTO-100-6-0532.Phytopathology. 2010.PMID: 20465408Free article.