Combating Fusarium oxysporum in tobacco soils with black soldier fly larvae frass-based reductive soil disinfestation

文献类型： 外文期刊

第一作者： Liang, Yongjin

作者： Liang, Yongjin;Peng, Bo;Zeng, Xiangnan;Wei, Jianyu;Qiu, Fangying;Tao, Yu;Zhang, Mingxing;Zhang, Qingzhuang;Li, Xin

作者机构：

关键词： Black soldier fly (Hermetia illucens) larvae; reductive soil disinfestation; Fusarium oxysporum; microbial community; metabolomics

期刊名称：ARCHIVES OF AGRONOMY AND SOIL SCIENCE （ 影响因子：1.8； 五年影响因子：2.5 ）

ISSN： 0365-0340

年卷期： 2024 年 70 卷 1 期

页码：

收录情况： SCI

摘要： The pervasive issue of continuous monoculture in agricultural practices culminates in the proliferation of soil-borne pathogens. This study investigates the efficacy of Black Soldier Fly Larvae (BSFL) Hermetia illucens frass as a novel amendment for modifying the soil microbiome, particularly in tobacco fields plagued by continuous cropping challenges. Employing a pot incubation experiment within tobacco soils, we delved into the BSFL frass' impact on microbial community restructuring under both aerobic and anaerobic conditions, utilizing Illumina MiSeq technology for microbial and soil quality analysis. The addition of BSFL frass notably enhanced soil hydrolysable nitrogen, available potassium, and organic matter, concurrently reducing the relative abundance of Fusarium oxysporum to 0.8% and achieving a disinfestation rate of 100% with BSFL frass-based RSD treatments. These treatments significantly reduced soil bacterial and fungal richness and diversity, while augmenting disease-suppressive bacterial genera and families. The study further outlines the differential influences of soil conditions on microbial communities across treatments, with a metabolomics analysis underscoring the overarching positive impact on soil microbial metabolism.

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