Diaporthe sapindicola sp. nov. Causes Leaf Spots of Sapindus mukorossi in China

Sapindus mukorossi Gaertn. (Sapindaceae), or soapberry, is an important biodiesel tree in southern China. In recent years, leaf spot disease on soapberry has been observed frequently in a soapberry germplasm repository in Jianning County, Sanming City, Fujian province, China. The symptoms initially...

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Veröffentlicht in:Plant disease. - 1997. - 106(2022), 4 vom: 23. Apr., Seite 1105-1113
1. Verfasser: Si, Yuan-Zhi (VerfasserIn)
Weitere Verfasser: Li, De-Wei, Zhong, Jing, Huang, Lin, Zhu, Li-Hua
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article Coelomycetes Diaporthaceae Phomopsis anamorph multilocus phylogeny new disease Culture Media
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520 |a Sapindus mukorossi Gaertn. (Sapindaceae), or soapberry, is an important biodiesel tree in southern China. In recent years, leaf spot disease on soapberry has been observed frequently in a soapberry germplasm repository in Jianning County, Sanming City, Fujian province, China. The symptoms initially appeared as irregular, small, yellow spots, and the centers of the lesions became dark brown with time. Three fungal isolates from lesions were collected. Koch's postulates were performed, and their pathogenicity was confirmed. Morphologically, α-conidia from diseased tissues were single-celled, hyaline, smooth, clavate or ellipsoidal, and biguttulate, measuring 6.2 to 7.2 × 2.3 to 2.7 μm. In addition, the three isolates in this study developed three types (α, β, and γ) of conidia on potato dextrose agar, and their morphological characteristics matched those of Diaporthe. A phylogenetic analysis based on internal transcribed spacer, TEF, TUB, HIS, and CAL sequence data determined that the three isolates are a new species of Diaporthe. Based on both morphological and phylogenetic analyses, the causal fungus, Diaporthe sapindicola sp. nov., was described and illustrated 
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650 4 |a Diaporthaceae 
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700 1 |a Li, De-Wei  |e verfasserin  |4 aut 
700 1 |a Zhong, Jing  |e verfasserin  |4 aut 
700 1 |a Huang, Lin  |e verfasserin  |4 aut 
700 1 |a Zhu, Li-Hua  |e verfasserin  |4 aut 
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