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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1094/PDIS-06-21-1249-RE
|2 doi
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|a pubmed24n1118.xml
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|a (NLM)35021867
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|a DE-627
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|e rakwb
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|a eng
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| 100 |
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|a Liu, Yang
|e verfasserin
|4 aut
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| 245 |
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|a Identification of Pathogenic Fusarium spp. Responsible for Root Rot of Angelica sinensis and Characterization of Their Biological Enemies in Dingxi, China
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 12.07.2022
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|a Date Revised 12.07.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Root rot is a serious disease in plantations of Angelica sinensis, severely reducing yield and quality and threatening sustainable production. Fusarium isolates (n = 32) were obtained from field samples of root rot tissue, leaves, and infected soil. Isolates were identified by comparison of the sequences of their internal transcribed spacer region and translation elongation factor 1-α to sequences of known species in the National Center for Biotechnology Information database. These Fusarium isolates include Fusarium tricinctum (43.75%), F. equiseti (31.25%), F. solani (9.37%), F. oxysporum (6.25%), F. acuminatum (6.25%), and F. incarnatum (3.12%). For pathogenicity testing under greenhouse conditions, seven isolates were selected based on a phylogenetic analysis, including four strains of F. tricinctum and one strain each of F. solani, F. oxysporum, and F. acuminatum. The seven isolates were all pathogenic but differed in their ability to infect: The four F. tricinctum strains were capable of causing root rot in A. sinensis at 100% incidence and were highly aggressive. Furthermore, the symptoms of root rot induced by those seven isolates were consistent with typical root rot cases in the field, but their disease severity varied. Observed histopathological preparations of F. tricinctum-infected seedlings and tissue slide results showed that this fungal species can penetrate epidermal cells and colonize the cortical cells where it induces necrosis and severe plasmolysis. Plate confrontation experiments showed that isolated rhizosphere bacteria inhibited the Fusarium pathogens that cause root rot in A. sinensis. Our results provide timely information about the use of biocontrol agents for suppression of root rot disease
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|a Journal Article
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|a Angelica sinensis
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| 650 |
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|a Fusarium spp.
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| 650 |
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|a antagonistic bacteria
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| 650 |
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|a pathogenicity tests
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| 650 |
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4 |
|a root rot disease
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| 700 |
1 |
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|a Tian, Yuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Xia
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yue, Liang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Uwaremwe, Constantine
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhou, Qin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Yun
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yubao
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Dun, Zhiheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cui, Zengtuan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Ruoyu
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
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|g 106(2022), 7 vom: 11. Juli, Seite 1898-1910
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|u http://dx.doi.org/10.1094/PDIS-06-21-1249-RE
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