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240410s2024 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-01-24-0262-RE
|2 doi
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|a eng
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| 100 |
1 |
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|a Haghshenas, Iman
|e verfasserin
|4 aut
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| 245 |
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|a Molecular-Phylogenetic Characterization of Xanthomonas hortorum pv. pelargonii Strains Causing Leaf Spot of Geraniums in Iran
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| 264 |
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|c 2024
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| 336 |
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|a Text
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|a ƒaComputermedien
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|a Date Completed 24.09.2024
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|a Date Revised 24.09.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Bacterial blight and leaf spot of geraniums is a destructive disease of cultivated Pelargonium species around the world. During 2020 to 2021, surveys were conducted in seven geranium-growing provinces of Iran to monitor the status of bacterial blight and leaf spot disease. The disease was observed in six surveyed provinces varying in the extent of occurrence and severity. Twenty-two gram-negative pale-yellow bacterial strains resembling members of Xanthomonas were isolated from symptomatic leaves and stems. Pathogenicity and host range assays showed that the bacterial strains were pathogenic on Pelargonium grandiflorum, P. graveolens, P. peltatum, and P. zonale. All strains were positive for a PCR test using the primer pair XcpM1/XcpM2, which is specific for X. hortorum pv. pelargonii. Phylogenetic analysis using the sequences of gyrB and lepA genes showed that the 22 strains clustered in a clade among the sequences of X. hortorum pv. pelargonii strains retrieved from GenBank but were distinct from the other pathovars of X. hortorum. BOX-PCR-based fingerprinting using BOX-A1R primer revealed that the strains isolated in this study were grouped into two clusters, while no distinct correlation was observed between the host/area of isolation and BOX-PCR fingerprinting. None of the strains obtained in this study nor the reference strain of the pathogen produced bacteriocin against each other. Results obtained in this study shed light on the geographic distribution, taxonomic status, and host range of the bacterial blight and leaf spot pathogen of geraniums in Iran, paving the path for further research on disease management
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|a Journal Article
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|a BOX-PCR
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| 650 |
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4 |
|a Pelargonium grandiflorum
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| 650 |
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4 |
|a Pelargonium zonale
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| 650 |
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4 |
|a quarantine pathogen
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| 700 |
1 |
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|a Taghavi, S Mohsen
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zarei, Sadegh
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Osdaghi, Ebrahim
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 108(2024), 9 vom: 09. Sept., Seite 2701-2709
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnas
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| 773 |
1 |
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|g volume:108
|g year:2024
|g number:9
|g day:09
|g month:09
|g pages:2701-2709
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|u http://dx.doi.org/10.1094/PDIS-01-24-0262-RE
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