Identification and Characterization of Colletotrichum Species Associated with Cherry Leaf Spot Disease in China

Leaf spot is a common and serious disease of sweet cherry worldwide and has become a major concern in China. From 2018 to 2020, disease investigations were carried out in Beijing City, Sichuan, Shandong, and Liaoning Provinces in China, and 105 Colletotrichum isolates were obtained from diseased sam...

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Veröffentlicht in:Plant disease. - 1997. - 107(2023), 2 vom: 11. Feb., Seite 500-513
1. Verfasser: Zhou, Yueyan (VerfasserIn)
Weitere Verfasser: Zhang, Wei, Li, Yameng, Ji, Shuxian, Li, Xinghong, Hyde, Kevin D, Zhang, Kaichun, Phillips, Alan J L, Manawasinghe, Ishara S, Yan, Jiye
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article morphological characteristics new host record pathogenicity phylogenetic analysis DNA, Fungal
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520 |a Leaf spot is a common and serious disease of sweet cherry worldwide and has become a major concern in China. From 2018 to 2020, disease investigations were carried out in Beijing City, Sichuan, Shandong, and Liaoning Provinces in China, and 105 Colletotrichum isolates were obtained from diseased samples. Isolates were identified by morphological characterization coupled with multigene phylogenetic analyses based on six loci (internal transcribed spacer region, glyceraldehyde 3-phosphate dehydrogenase, calmodulin, actin, chitin synthase, and β-tubulin). A total of 13 Colletotrichum species were identified, namely Colletotrichum aenigma, C. gloeosporioides, C. fructicola, C. siamense, C. temperatum, C. conoides, C. hebeiense, C. sojae, C. plurivorum, C. karsti, C. truncatum, C. incanum, and C. dematium. Among these, C. aenigma (25.7%) was the most prominent species isolated from diseased leaves, followed by C. gloeosporioides (19.0%) and C. fructicola (12.4%). Pathogenicity was tested on detached leaves of cv. 'Tieton' and 'Summit' and young seedlings of cv. 'Brooks' under greenhouse conditions. All 13 species were pathogenic to cherry leaves, and C. aenigma, C. conoides, and C. dematium showed high levels of virulence. Seedlings inoculated with the isolates developed similar symptoms to those seen in the orchards. This study provides the first reports for 11 of the 13 Colletotrichum species on sweet cherry in the world, excluding C. aenigma and C. fructicola. This is the first comprehensive study of Colletotrichum species associated with cherry leaf spot in China, and the results will provide basic knowledge to develop sustainable control measures for cherry leaf spot 
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650 4 |a morphological characteristics 
650 4 |a new host record 
650 4 |a pathogenicity 
650 4 |a phylogenetic analysis 
650 7 |a DNA, Fungal  |2 NLM 
700 1 |a Zhang, Wei  |e verfasserin  |4 aut 
700 1 |a Li, Yameng  |e verfasserin  |4 aut 
700 1 |a Ji, Shuxian  |e verfasserin  |4 aut 
700 1 |a Li, Xinghong  |e verfasserin  |4 aut 
700 1 |a Hyde, Kevin D  |e verfasserin  |4 aut 
700 1 |a Zhang, Kaichun  |e verfasserin  |4 aut 
700 1 |a Phillips, Alan J L  |e verfasserin  |4 aut 
700 1 |a Manawasinghe, Ishara S  |e verfasserin  |4 aut 
700 1 |a Yan, Jiye  |e verfasserin  |4 aut 
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