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|a 10.1094/PDIS-01-24-0075-RE
|2 doi
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|a eng
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| 100 |
1 |
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|a Ferreira Junior, Tarciso A
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Fusarium oxysporum f. sp. apii Race 4 Threatening Celery Production in South Florida
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| 264 |
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|c 2024
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| 336 |
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 25.11.2024
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|a Date Revised 25.11.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Fusarium wilt, caused by Fusarium oxysporum f. sp. apii (Foa), is a vascular disease affecting celery. This soilborne pathogen is classified into four distinct pathogenic races: 1, 2, 3, and 4. Notably, race 4 emerges as the most virulent, representing the latest evolutionary development of this pathogen, which was first reported in 2013 in California. In 2022, celery plants in South Florida exhibited typical Fusarium wilt symptoms, with the disease reaching a 100% incidence and causing yield losses ranging from 20 to 100%. Given the significance of celery as a vegetable crop and the severity of this outbreak, the primary objective of this study was to identify and characterize the causal agent of Fusarium wilt in South Florida. The second goal aimed to test the pathogenicity and virulence of the Fusarium isolates from Florida on celery and parsley plants. Using race-specific primers and dual-loci phylogenetic analyses, the isolates surveyed in this study were identified as Foa race 4. Pathogenicity assays in the greenhouse showed that the Foa race 4 isolate from celery induced disease not only on the two celery cultivars (Duda 30 and Duda 71) but also on two commonly cultivated parsley varieties (curly and Italian). Our study also revealed that the Foa race 4 significantly (P < 0.05) affected plant health attributes in all cultivars, including plant height, total plant weight, and root weight. Interestingly, the pathogen exhibited higher (P < 0.0001) virulence on parsley than celery based on vascular discoloration. These findings strongly indicate the urgency of comprehending and managing Fusarium wilt on celery and related crops. Furthermore, the ability of Foa race 4 to affect different plant species highlights a potential threat to agricultural production, emphasizing the need for proactive measures to mitigate the impact of this virulent pathogen
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|a Journal Article
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|a Apiaceae
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| 650 |
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4 |
|a Apium graveolens var. dulce
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| 650 |
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4 |
|a Everglades agricultural area
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| 650 |
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4 |
|a fusarium wilt
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| 650 |
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4 |
|a parsley
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| 700 |
1 |
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|a Ferreira, Larissa C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Moura, Vitor A S
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Xavier, Katia V
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Plant disease
|d 1997
|g 108(2024), 11 vom: 10. Nov., Seite 3372-3380
|w (DE-627)NLM098181742
|x 0191-2917
|7 nnas
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| 773 |
1 |
8 |
|g volume:108
|g year:2024
|g number:11
|g day:10
|g month:11
|g pages:3372-3380
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| 856 |
4 |
0 |
|u http://dx.doi.org/10.1094/PDIS-01-24-0075-RE
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