Diversity of Fungal Endophytes in American Ginseng Seeds

Seeds play a critical role in the production of American ginseng. Seeds are also one of the most important media for the long-distant dissemination and the crucial way for pathogen survival. Figuring out the pathogens carried by seeds is the basis for effective management of seedborne diseases. In t...

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Veröffentlicht in:Plant disease. - 1997. - 107(2023), 9 vom: 21. Sept., Seite 2784-2791
1. Verfasser: Zhang, Jiguang (VerfasserIn)
Weitere Verfasser: Hu, Hongyan, Li, Shuaihui, Shang, Wenjing, Jiang, Jinlong, Xu, Xiangming, Liu, Deming, Hu, Xiaoping
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2023
Zugriff auf das übergeordnete Werk:Plant disease
Schlagworte:Journal Article American ginseng diversity index fludioxonil high-throughput sequencing pathogen diversity seed-carried pathogens Fungicides, Industrial
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520 |a Seeds play a critical role in the production of American ginseng. Seeds are also one of the most important media for the long-distant dissemination and the crucial way for pathogen survival. Figuring out the pathogens carried by seeds is the basis for effective management of seedborne diseases. In this paper, we tested the fungi carried by the seeds of American ginseng from the main production areas of China using incubation and highly throughput sequencing methods. The seed-carried rates of fungi in Liuba, Fusong, Rongcheng, and Wendeng were 100, 93.8, 75.2, and 45.7%, respectively. Sixty-seven fungal species, which belonged to 28 genera, were isolated from the seeds. Eleven pathogens were identified from the seed samples. Among the pathogens, Fusarium spp. were found in all of the seed samples. The relative abundance of Fusarium spp. in the kernel was higher than that in the shell. Alpha index showed that the fungal diversity between seed shell and kernel differed significantly. Nonmetric multidimensional scaling analysis revealed that the samples from different provinces and between seed shell and kernel were distinctly separated. The inhibition rates of four fungicides to seed-carried fungi of American ginseng were 71.83% for Tebuconazole SC, 46.67% for Azoxystrobin SC, 46.08% for Fludioxonil WP, and 11.11% for Phenamacril SC. Fludioxonil, a conventional seed treatment agent, showed a low inhibitory effect on seed-carried fungi of American ginseng 
650 4 |a Journal Article 
650 4 |a American ginseng 
650 4 |a diversity index 
650 4 |a fludioxonil 
650 4 |a high-throughput sequencing 
650 4 |a pathogen diversity 
650 4 |a seed-carried pathogens 
650 7 |a Fungicides, Industrial  |2 NLM 
700 1 |a Hu, Hongyan  |e verfasserin  |4 aut 
700 1 |a Li, Shuaihui  |e verfasserin  |4 aut 
700 1 |a Shang, Wenjing  |e verfasserin  |4 aut 
700 1 |a Jiang, Jinlong  |e verfasserin  |4 aut 
700 1 |a Xu, Xiangming  |e verfasserin  |4 aut 
700 1 |a Liu, Deming  |e verfasserin  |4 aut 
700 1 |a Hu, Xiaoping  |e verfasserin  |4 aut 
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