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| DOI | 10.1016/j.ijfoodmicro.2024.110728 |
| Characterization of Fusarium species causing head blight of highland barley (qingke) in Tibet, China | |
| 发表日期 | 2024 |
| ISSN | 0168-1605 |
| EISSN | 1879-3460 |
| 起始页码 | 418 |
| 卷号 | 418 |
| 英文摘要 | Most of the research on the characterization of Fusarium species focused on wheat, barley, rice, and maize in China. However, there has been limited research in highland barley (qingke). Recently, Fusarium head blight (FHB) of qingke was recently observed in Tibet, China, especially around the Brahmaputra River. To gain a better understanding of the pathogens involver, 201 Fusarium isolates were obtained from qingke samples in 2020. Among these isolates, the most abundant species was F. avenaceum (45.3 %), followed by F. equiseti (27.8 %), F. verticillioides (13.9 %), F. acuminatum (9.0 %), F. flocciferum (3.5 %), and F. proliferatum (0.5 %). The distribution of Fusarium species varied along the Brahmaputra River, with F. avenaceum being predominant in the midstream and downstream regions, while F. equiseti was more common in the upstream region. Chemical analyses of all the isolates revealed the production of different mycotoxins by various Fusarium species. It was found that enniatins were produced by F. acuminatum, F. avenaceum, and F. flocciferum, beauvericin (BEA) and fumonisins were produced F. proliferatum and F. verticillioides, and zearalenone (ZEN) and nivalenol (NIV) were produced by F. equiseti. Pathogenicity test showed that F. avenaceum was more aggressive in causing FHB compared to F. acuminatum, F. equiseti, and F. flocciferum. The disease severity, measured by the area under the disease progress curve (AUDPC), was significantly positively (P < 0.01) correlated with the concentration of total toxins produced by each species. Furthermore, all the Fusarium strains which were used for pathogenicity test were susceptible to carbendazim, and the 50 % effective concentration (EC50) ranged from 0.406 mu g/mL to 0.673 mu g/mL with an average EC50 of 0.551 +/- 0.012 mu g/mL. |
| 英文关键词 | Composition; Pathogenicity; Carbendazim sensitivity; Fusarium; Qingke |
| 语种 | 英语 |
| WOS研究方向 | Food Science & Technology ; Microbiology |
| WOS类目 | Food Science & Technology ; Microbiology |
| WOS记录号 | WOS:001237362700001 |
| 来源期刊 | INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/290590 |
| 作者单位 | Tibet Academy of Agriculture & Animal Husbandry Sciences; Jiangsu Academy of Agricultural Sciences; Ministry of Agriculture & Rural Affairs; Huaiyin Institute of Technology; University of Kwazulu Natal |
| 推荐引用方式 GB/T 7714 | . Characterization of Fusarium species causing head blight of highland barley (qingke) in Tibet, China[J],2024,418. |
| APA | (2024).Characterization of Fusarium species causing head blight of highland barley (qingke) in Tibet, China.INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY,418. |
| MLA | "Characterization of Fusarium species causing head blight of highland barley (qingke) in Tibet, China".INTERNATIONAL JOURNAL OF FOOD MICROBIOLOGY 418(2024). |
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