Identification of Fungal Species Associated with Apple Canker in Tarim Basin, China

Apple canker has decreased yields of the economically important apple (Malus domestica) crop in China in recent years. Pathogen identity is highly challenging and the disease is poorly understood. Specimens of 339 fungi were isolated from apple trees in the primary apple-producing region in the Tari...

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Veröffentlicht in:Plant disease. - 1997. - 107(2023), 5 vom: 24. Mai, Seite 1284-1298
1. Verfasser: Sha, Shuai S (VerfasserIn)
Weitere Verfasser: Wang, Zhe, Yan, Cheng C, Hao, Hai T, Wang, Lan, Feng, Hong Z
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article Botryosphaeriaceae Cytospora apple canker fungal pathogens pathogenicity phylogeny taxonomy
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520 |a Apple canker has decreased yields of the economically important apple (Malus domestica) crop in China in recent years. Pathogen identity is highly challenging and the disease is poorly understood. Specimens of 339 fungi were isolated from apple trees in the primary apple-producing region in the Tarim Basin during the current study. In total, nine species of Cytospora and five species of the family Botryosphaeriaceae were identified by morphological observation and multilocus phylogenetic analyses: internal transcribed spacer (ITS), actin, translation elongation factor (TEF), and β-tubulin (TUB) gene regions for Cytospora and ITS, TEF, and TUB for Botryosphaeriaceae. Cytospora pyri from the Cytospora genus was the dominant species causing apple canker in the Tarim Basin. C. melnikii, C. tritici, C. euonymina, Diplodia seriata, and Botryosphaeria dothidea have been described as the cause of apple canker in China. Apple (Red Fuji) branches were utilized to assess the pathogenicity of 24 representative fungal isolates from the 14 species, and branches from seven distinct woody plants (Korla pear, walnut, Chinese date, Xinjiang poplar, sand jujube, Populus euphratica, and willow) were utilized to analyze the host range. The main pathogenic fungal species of apple canker around the Tarim Basin were identified and biological characteristics explored. Pathogen diversity and regional source diversity were assessed with host range and pathogenicity. The aim was to provide a theoretical foundation for the prevention and treatment of apple canker 
650 4 |a Journal Article 
650 4 |a Botryosphaeriaceae 
650 4 |a Cytospora 
650 4 |a apple canker 
650 4 |a fungal pathogens 
650 4 |a pathogenicity 
650 4 |a phylogeny 
650 4 |a taxonomy 
700 1 |a Wang, Zhe  |e verfasserin  |4 aut 
700 1 |a Yan, Cheng C  |e verfasserin  |4 aut 
700 1 |a Hao, Hai T  |e verfasserin  |4 aut 
700 1 |a Wang, Lan  |e verfasserin  |4 aut 
700 1 |a Feng, Hong Z  |e verfasserin  |4 aut 
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