Hollow mesoporous SiO2 nanoparticle-mediated modulation of plant-soil-microbe systems: Case study in Panax ginseng cultivation

IF 6.2 1区农林科学 Q1 AGRICULTURAL ENGINEERING

Industrial Crops and Products Pub Date : 2025-02-01 DOI:10.1016/j.indcrop.2024.120297

Xingbo Bian , Qiong Li , Yumin Cai , Yi Lu , Heng Wei , Tianyi Zhang , Yinghui Ma , Lianxue Zhang , Xiaohang Yang

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引用次数: 0

Abstract

Artificial cultivation is indispensable for obtaining medicinal plants. However, numerous challenges persist in the practical cultivation of these plants. In recent years, the role of nanotechnology in promoting plant growth and improving soil quality has attracted increasing attention. In this study, focusing on the ginseng (Panax ginseng Mayer) cultivation system, the effects of hollow mesoporous silica nanoparticles (HM-SiO₂ NPs) on ginseng growth, rhizosphere, and cultivated soil were comprehensively analysed. The results revealed that HM-SiO₂ NPs did not exert a significant impact on ginseng growth but could enhance root activity and elicit responses from antioxidant enzyme systems. Specific concentrations of HM-SiO₂ NPs alter the soil environment in the ginseng rhizosphere, thereby providing distinct habitats for soil microorganisms, enhancing microbial interactions, promoting the stability of microbial networks, and positively influencing nutrient cycling in the ginseng rhizosphere. Moreover, the extensive effects of HM-SiO₂ NPs on the microbial and physicochemical properties of ginseng-cultivated soils were observed. Specifically, HM-SiO₂ NPs reduced the abundance and diversity of bacterial communities in ginseng-cultivated soil and significantly altered the abundance of several dominant microbial taxa. The potential effects of HM-SiO₂ on bacterial and fungal networks in ginseng-cultivated soil varied, with a reduction in the complexity of the bacterial network (particularly at low concentrations of HM-SiO₂ NPs) and increase in the complexity of the fungal network. These findings offer insights into the complex effects of HM-SiO₂ NPs on the "plant-soil-microbe" interaction system in medicinal plant cultivation, elucidate the potential applications of nanotechnology in this field, and provide a reliable basis for the development of environmentally friendly growth regulators or soil conditioners for medicinal plants.

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中空介孔二氧化硅纳米颗粒介导的植物-土壤-微生物系统调节：以人参栽培为例

要获得药用植物，人工栽培是必不可少的。然而，在这些植物的实际栽培中仍然存在许多挑战。近年来，纳米技术在促进植物生长和改善土壤质量方面的作用越来越受到人们的关注。以人参（Panax ginseng Mayer）栽培体系为研究对象，综合分析了中空介孔二氧化硅纳米颗粒（HM-SiO2 NPs）对人参生长、根际和栽培土壤的影响。结果表明，HM-SiO2 NPs对人参生长无显著影响，但能促进根系活性，引起抗氧化酶系统的响应。特定浓度的HM-SiO2 NPs改变了人参根际土壤环境，从而为土壤微生物提供了不同的栖息地，增强了微生物的相互作用，促进了微生物网络的稳定性，并对人参根际养分循环产生了积极影响。此外，还观察到HM-SiO2 NPs对人参栽培土壤微生物和理化性质的广泛影响。HM-SiO2 NPs降低了人参栽培土壤细菌群落的丰度和多样性，并显著改变了几种优势微生物类群的丰度。HM-SiO2对人参栽培土壤细菌和真菌网络的潜在影响各不相同，细菌网络的复杂性降低（特别是在低浓度HM-SiO2 NPs下），真菌网络的复杂性增加。研究结果揭示了HM-SiO2 NPs对药用植物栽培中“植物-土壤-微生物”相互作用系统的复杂影响，阐明了纳米技术在该领域的潜在应用，并为开发环保型药用植物生长调节剂或土壤调理剂提供了可靠的基础。

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来源期刊

Industrial Crops and Products 农林科学-农业工程

CiteScore

9.50

自引率

8.50%

发文量

1518

审稿时长

43 days

期刊介绍： Industrial Crops and Products is an International Journal publishing academic and industrial research on industrial (defined as non-food/non-feed) crops and products. Papers concern both crop-oriented and bio-based materials from crops-oriented research, and should be of interest to an international audience, hypothesis driven, and where comparisons are made statistics performed.