Eight Colletotrichum Species, Including a Novel Species, Are Associated With Areca Palm Anthracnose in Hainan, China

Genus Colletotrichum is one of the most important genera of plant-pathogenic fungi affecting numerous species, particularly tropical and subtropical crops and fruit trees. In this study, 43 Colletotrichum strains were isolated from areca palm leaves with anthracnose symptoms in 11 areca palm plantat...

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Veröffentlicht in:Plant disease. - 1997. - 104(2020), 5 vom: 10. Mai, Seite 1369-1377
1. Verfasser: Cao, Xueren (VerfasserIn)
Weitere Verfasser: Xu, Xiangming, Che, Haiyan, West, Jonathan S, Luo, Daquan
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2020
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article etiology fungi tropical plants
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520 |a Genus Colletotrichum is one of the most important genera of plant-pathogenic fungi affecting numerous species, particularly tropical and subtropical crops and fruit trees. In this study, 43 Colletotrichum strains were isolated from areca palm leaves with anthracnose symptoms in 11 areca palm plantations in eight counties of Hainan, China. Based on the morphology, phylogenetic analysis of six loci (internal transcribed spacer, actin, chitin synthase 1, glyceraldehyde-3-phosphate dehydrogenase, β-tubulin, and mating type locus MAT1-2), and pathogenicity tests, eight Colletotrichum species were distinguished, comprising five previously known species (C. cordylinicola, C. fructicola, C. gloeosporioides, C. siamense, and C. tropicale), one unidentified Colletotrichum species, a new species (C. arecicola) in the gloeosporioides species complex, and C. karstii in the boninense species complex. C. siamense was the most common species found in areca palm in Hainan, followed by C. arecicola. Pathogenicity tests showed that all eight species could cause anthracnose symptoms on areca palm leaves using a wound inoculation method and that the isolates from the gloeosporioides species complex caused larger lesions than the isolates from the boninense species complex. Further research is needed to understand the epidemiology of these pathogenic species on areca palm in order to develop management strategies 
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700 1 |a Xu, Xiangming  |e verfasserin  |4 aut 
700 1 |a Che, Haiyan  |e verfasserin  |4 aut 
700 1 |a West, Jonathan S  |e verfasserin  |4 aut 
700 1 |a Luo, Daquan  |e verfasserin  |4 aut 
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