ORIGINAL RESEARCH article
Front. Microbiol.
Sec. Microbe and Virus Interactions with Plants
Volume 16 - 2025 | doi: 10.3389/fmicb.2025.1595426
This article is part of the Research TopicMicrobe Empowering Green Agriculture and Boosting Productivity and QualityView all 18 articles
Response of microbial communities and physical and chemical properties in inoculated soils with Fusarium oxysporum Schl.F. sp. Benincasae to different root exudates resistant to fusarium wilt
Provisionally accepted
- 1School of Tropical Agriculture and Forestry, Hainan University, Haikou, China
- 2Hainan, Haikou, China
- 3Hainan Academy of Agricultural Sciences, Haikou, Hainan Province, China
- 4Tropical Crops Genetic Resources Institute，Chinese Academy of Tropical Agricultural Sciences, Haikou, China
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Wax gourd wilt (WGW) is a destructive soil-borne disease, and grafting pumpkin rootstocks offers effective and eco-friendly control. "Haizhan 1" pumpkin rootstock exhibits superior disease resistance compared to Cucurbita ficifolia, with root exudates improving soil microecology. However, the specific root exudate components involved in wilt resistance and their effects on soil microbial diversity remain unclear. In this paper, "Haizhan 1" pumpkin, Cucurbita ficifolia pumpkin and "Tiezhu 168" wax gourd are taken as rootstock materials to graft and obtain the five kinds of experimental subjects (H_T, B_T, H_H, B_B, T_T). Root exudates from five grafted combinations were analyzed by using metabolomics. Ten key metabolites that have direct fungicidal effects and indirect regulatory effects on disease resistance were identified, including Melilotoside A, a substance unique to pumpkin-wax gourd grafting. Potted experiments revealed that root exudates from resistant (H_T), moderately resistant (B_T), and susceptible (T_T) plants altered soil microbial communities under Fusarium oxysporum challenge. High-throughput sequencing
Keywords: norank_f__norank_o_0319-6G20, Haliangium, norank_f__norank_o__norank_c__OLB14, Thermomonas, Brevundimonas and Inoculated soils, Wax gourd wilt, root exudates, Metabolome
Received: 18 Mar 2025; Accepted: 08 Jul 2025.
Copyright: © 2025 Wu, Fu, Liao, Chen, Zhao, Liu and Zhou. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Zifan Liu, School of Tropical Agriculture and Forestry, Hainan University, Haikou, China
Bin Zhou, Tropical Crops Genetic Resources Institute，Chinese Academy of Tropical Agricultural Sciences, Haikou, China
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