Differentiation of xanthomonads causing the bacterial leaf spot of poinsettia in China from the pathotype strain of Xanthomonas axonopodis pv. poinsettiicola |
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Authors: | Li Bin Xie Guan-lin Swings J |
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Institution: | LI Bin 1,XIE Guan-lin 1,SWINGS J.2 |
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Abstract: | In October 2003, a new bacterial disease with symptoms similar to those caused by Xanthomonas axonopodis pv. poinsettiicola was observed on poinsettia leaves at a flower nursery in Zhejiang Province of China. Three Xanthomonas strains were isolated from infected plants and classified as X. axonopodis. They were differentiated from the pathotype strain LMG849 of X. axonopodis pv. poinsettiicola causing bacterial leaf spot of poinsettia by comparison of pathogenicity, substrate utilization and BOX-PCR genomic fingerprints. |
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Keywords: | Bacterial leaf spot of poinsettia BOX-PCR Hypersensitive reaction Pathogenicity X axonopodis pv poinsettiicola |
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