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Providencia rettgeri as the causal agent of the brown slime flux of Populus tomentosa
Forest Pathology ( IF 1.3 ) Pub Date : 2020-01-30 , DOI: 10.1111/efp.12576 Jianghong Zhou 1 , Fei Xia 1 , Shaochen Che 1 , Jianhong Wang 1 , Guofeng Zhang 1
Forest Pathology ( IF 1.3 ) Pub Date : 2020-01-30 , DOI: 10.1111/efp.12576 Jianghong Zhou 1 , Fei Xia 1 , Shaochen Che 1 , Jianhong Wang 1 , Guofeng Zhang 1
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Brown slime flux seeps slowly out of wounds and flows down the bark of roadside Populus tomentosa in Beijing, China. Two bacterial isolates, SL2‐2 and SL3‐3, obtained from the brown slime flux were identified as Providencia rettgeri based on 16S rRNA gene sequencing. After inoculation into the bark of roadside P. tomentosa with sterile deionized water as a control, both SL2‐2 and SL3‐3 triggered the seepage of brown slime flux from the wounds; no slime flux arose from the control. In conclusion, P. rettgeri was the pathogenic bacterium causing brown slime flux on P. tomentosa probably by inhibiting wound healing. To our knowledge, this is the first report of P. rettgeri as a pathogen of plants.
更新日期：2020-01-30
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