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Disease Note Occurrence of Bacterial Stem Rot Caused by Pseudomonas cichorii in Greenhouse-grown Lettuce in Ontario. B. N. Dhanvantari, Research Station, Agriculture Canada, Harrow, Ontario, N0R 1G0. . Plant Dis. 74:394. Accepted for publication 16 January 1990. . DOI: 10.1094/PD-74-0394A. |