Pseudomonas syringae pv. cerasicola, pv. nov., the Causal Agent of Bacterial Gall of Cherry Tree
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Bacterial gall on trunks and twigs of cherry trees (Prunus × yedoens, Someiyoshino) was found in Miyazaki and Saga prefectures, Japan. The surface of young galls are relatively smooth and light brown, but they become rough and dark brown. Characteristics of the bacterium isolated from galls on trunks or twigs are similar to those of Pseudomonas syringae pathovars, i.e., pv. actinidiae, pv. daphniphylli, pv. dendropanacis, pv. Morsprunorum, pv. myricae, pv. rhaphiolepidis, pv. syringae and pv. tremae. This bacterium produced galls on cherry and apricot, but not on 66 other species of plants belonging to 39 families. From these results, this bacterium was classified as a new pathovar of Pseudomonas syringae, and the name Pseudomonas syringae pv. cerasicola, pv. nov., is proposed. Strain M9501(ICMP 13926) was designated as the pathotype strain.
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