Anti-Fusarium activity of essential oil distilled from artemisinin (Artemisia annua L.) extraction residues

Kong, Weibao; Xie, Zijian; Huo, Huanran; Jia, Ping; Zhang, Aimei; Liang, Junyu; Wang, Junlong

doi:10.1016/j.sajb.2023.05.010

Cited by 3 publications

(1 citation statement)

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“…Root rot is the main disease responsible for decreases in the yield and quality of ginseng, and the main pathogen causing root rot is Fusarium ( Guan et al, 2014 ; Wang et al, 2016 ). Fusarium is a common plant pathogen that can hinder the growth of many crops ( Pegg et al, 2019 ; Srinivas et al, 2019 ; Kong et al, 2023 ). The observed decrease of Fusarium in the soil showed that the addition of Trichoderma inhibited Fusarium and could prevent root rot of ginseng.…”

Section: Discussionmentioning

confidence: 99%

Trichoderma spp. promotes ginseng biomass by influencing the soil microbial community

Zhang,

Jin,

Guan

et al. 2024

Front. Microbiol.

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IntroductionGinseng (Panax ginseng C.A. Meyer) has multiple effects on human health; however, soil degradation seriously affects its yield. Trichoderma spp. play an important role in improving plant biomass by influencing the soil environment. Therefore, it is necessary to screen efficient Trichoderma strains that can increase ginseng biomass and determine their mechanisms.MethodsHerein, we selected six Trichoderma species (T. brevicompactum, T. velutinum, T. viridescens, T. atroviride, T. koningiopsis, and T. saturnisporum) isolated from ginseng rhizosphere soil, and evaluated their growth promoting effects on ginseng and their influence on the microbiome and chemical attributes of the ginseng rhizosphere soil.ResultsExcept for T. saturnisporum (F), compared with the control, the other five species increased ginseng biomass. In terms of chemical properties, the pH value, available potassium content, and available phosphorus content in the ginseng rhizosphere soil increased by 1.16–5.85%, 0.16–14.03%, and 3.92–38.64%, respectively, after root irrigation with spores of Trichoderma species. For the soil microbiome, fungal Chao1 and Ace richness indices decreased. Application of Trichoderma enhanced the relative level of Proteobacteria, but reduced the relative level of Ascomycota. At the genus level, application of Trichoderma enhanced the relative levels of Sphingomonas, Blastomonas, and Trichoderma, but reduced the relative level of Fusarium. Available K and available P were the most important elements that affected the structure of the bacterial community, while total K was the most influential element for the structure of the fungal community structure.ConclusionThe results indicated that the application of Trichoderma spp. could increase soil nutrients and regulate the structure and composition of the soil microbial community, thereby enhancing the biomass of ginseng. The results will provide guidance for soil improvement in ginseng cultivation.

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