Comparative Analysis of Nano-Bactericides and Thiodiazole-Copper on Tomato Rhizosphere Microbiome
文献类型： 外文期刊
作者： Ning, Weimin 1 ; Luo, Xiangwen 2 ; Zhang, Yu 2 ; Li, Shijun 5 ; Yang, Xiao 5 ; Wang, Xin 3 ; Chen, Yueyue 5 ; Xu, Yashuang 5 ; Zhang, Deyong 2 ; Zhang, Songbai 2 ; Liu, Yong 2 ;
作者机构： 1.Xichang Univ, Agr Sci Coll, Xichang 615000, Peoples R China
2.Hunan Acad Agr Sci, Key Lab Pest Management Hort Crop Hunan Prov, Changsha 410125, Peoples R China
3.Hunan Univ, Biol Coll, Longping Branch, Changsha 410125, Peoples R China
4.Yuelushan Lab, Changsha 410082, Peoples R China
5.Hunan Agr Univ, Coll Plant Protect, Changsha 410128, Peoples R China
关键词： tomato; nanoparticles; nano-bactericide; rhizosphere; microbial community
期刊名称：MICROORGANISMS （ 影响因子：4.2； 五年影响因子：4.6 ）
ISSN：
年卷期： 2025 年 13 卷 6 期
页码：
收录情况： SCI
摘要： Vegetable crops such as tomato are highly susceptible to various pathogens. Nanoparticles (NPs) are emerging as effective nano-bactericides for managing plant pathogens. Communities of rhizosphere bacteria are essential for plant physiological health and also serve as a critical factor in evaluating the environmental compatibility of NPs. We evaluated the effects of a nano-bactericide (Cu-Ag nanoparticles) and a commercial bactericide (thiodiazole-copper) on the rhizosphere microbiome of tomato. The results show that low and high doses of the two bactericides induced alterations in the bacterial community structure to differing extents. Cu-Ag nanoparticles increased the relative abundance of potentially beneficial bacteria, including Bacteroidota, Gemmatimonadota, Acidobacteriota, and Actinobacteriota. Functional prediction revealed that Cu-Ag nanoparticles may affect the metabolic pathways of tomato root rhizosphere microorganisms and regulate the lacI/galR family, which controls virulence factors and bacterial metabolism. This study provides insight into the influence of metal nanoparticles on plant rhizosphere microbiomes and may lay a foundation for the application of nano-bactericides for the environmentally friendly control of plant diseases.
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