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Germination in soil of P. ultimum sporangia in response to seeds of various plant species treated with E. cloacae. Seeds treated with E. cloacae (∼5 × 106 cells/seed) (▪) and seeds that were not treated with E. cloacae ( 
) are shown. Sporangia were removed from soil adjacent to seeds after 6 (A), 24 (B), or 48 (C) h.
