Microbial Community of Wilted <i>Fritillaria ussuriensis</i> and Biocontrol Effects of <i>Bacillus tequilensis</i> and <i>Trichoderma koningiopsis</i>

Microbial Community of Wilted <i>Fritillaria ussuriensis</i> and Biocontrol Effects of <i>Bacillus tequilensis</i> and <i>Trichoderma koningiopsis</i>

The cultivation of <i>Fritillaria ussuriensis</i> faces challenges due to the prevalent <i>Fritillaria</i> wilt disease, hindering large-scale production. To address this, we aimed to understand the disease’s characteristics and develop effective prevention measures. Microbia...

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Bibliographic Details
Main Authors: Hao Wu, Jingjing Lu, Simeng Zhao, Jingyi Fei, Zhimiao Qu, Min Zhao, Hongyan Yang
Format: Article
Language:English
Published: MDPI AG 2024-11-01
Series:Biology
Subjects:
<i>Fritillaria</i>
wilt
microbial community
<i>Bacillus</i>
<i>Trichoderma</i>
Online Access:https://www.mdpi.com/2079-7737/13/11/940
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Summary:The cultivation of <i>Fritillaria ussuriensis</i> faces challenges due to the prevalent <i>Fritillaria</i> wilt disease, hindering large-scale production. To address this, we aimed to understand the disease’s characteristics and develop effective prevention measures. Microbial communities of diseased <i>F. ussuriensis</i> plants were analyzed, pathogenic and antagonistic strains were screened, and biocontrol feasibility was tested. We identified <i>Botryotinia</i> predominance in aboveground parts and variations in <i>Mrakia</i>, <i>Humicola</i>, <i>llyonectria</i>, and <i>Fusarium</i> in underground parts. The pathogens <i>Fusarium oxysporum</i> IFM-1 and <i>Fusarium solani</i> IFM-52 isolated from diseased <i>F. ussuriensis</i> not only caused severe <i>Fritillaria</i> wilt but were also pathogenic to <i>Lilium lancifolium</i> and <i>Allium cepa</i> var. <i>aggregatum</i> in Liliaceae. The antagonistic <i>Bacillus tequilensis</i> LFM-30 and <i>Trichoderma koningiopsis</i> IFM-47 isolated from diseased plants significantly alleviated plant wilt and showed promise in preventing wilt disease caused by <i>Fusarium</i> in Liliaceae plants. Our study highlights distinct microbial differences between healthy and diseased <i>F. ussuriensis</i> and underscores the pathogenicity of <i>Fusarium</i>. Using <i>T. koningiopsis</i> and <i>B. tequilensis</i> either singly or in combination could offer effective biocontrol against <i>F. solani</i> and <i>F. oxysporum</i>, benefiting <i>F. ussuriensis</i> and related Liliaceae plants.
ISSN:2079-7737

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