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231225s2015 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-08-14-0867-RE
|2 doi
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|a pubmed25n0977.xml
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|a (NLM)30699531
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Rockey, W
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Multilocus Sequence Analysis Reveals Genetic Diversity in Xanthomonads Associated With Poinsettia Production
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| 264 |
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|c 2015
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| 336 |
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|a Text
|b txt
|2 rdacontent
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| 337 |
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 20.11.2019
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Xanthomonas axonopodis pv. poinsettiicola is traditionally identified as the primary causal agent of bacterial leaf spot on poinsettia (family Euphorbiaceae). Sixty-seven strains of xanthomonads isolated from lesions associated with several species within the family Euphorbiaceae were collected over a 64-year period. The pathogenicity of these strains was compared on several potential hosts and they were analyzed by multilocus sequence analysis (MLSA) using six housekeeping genes. The 67 Xanthomonas strains associated with poinsettia production were separated into three distinct clades based on MLSA. The first clade identified contained the X. axonopodis pv. poinsettiicola reference strain (LMG849PT). A second clade was more closely related to X. hortorum pv. pelargonii (LMG7314PT) and the third clade contained the X. codiaei type strain (LMG8678T). This analysis indicated that there may also be other closely related pathovars or species of Xanthomonas that can infect poinsettia. Strains from the three clades could not be distinguished by symptoms or virulence on poinsettia plants. Strains capable of infecting geranium were found in all three clades, although the extent of leaf spot formation and number of systemic infections were significantly less than those produced by X. hortorum pv. pelargonii strains, typically the main causal agent of bacterial leaf spot on geranium. Clade III also contained strains isolated from zebra plant (Aphelandra squarrosa, family Acanthaceae), which is a newly recognized host for X. codiaei and X. axonopodis pv. poinsettiicola. Xanthomonas leaf spot is a serious threat to poinsettia production that can be caused by several Xanthomonas spp. that can infect different ornamental plant hosts. It is imperative that growers maintain a strict sanitation program because reservoirs of inoculum can occur on a number of ornamental hosts
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|a Journal Article
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1 |
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|a Potnis, N
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Timilsina, S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Hong, J C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Vallad, G E
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jones, J B
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Norman, D J
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 99(2015), 6 vom: 31. Juni, Seite 874-882
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnas
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| 773 |
1 |
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|g volume:99
|g year:2015
|g number:6
|g day:31
|g month:06
|g pages:874-882
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| 856 |
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|u http://dx.doi.org/10.1094/PDIS-08-14-0867-RE
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