Agro-environmental influence and interaction of nanoparticles (CuO, Fe3O4, Fe3O4@CuO) on microorganisms causing illnesses of tomato root and stems

IF 3.674 4区 工程技术 Q1 Engineering
Nirseen Kh. Abdalameer, Zeena M. Al-Azzawi, Wasan A. Al-Dulaimi
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引用次数: 0

Abstract

This study examines the impact of copper oxide (CuO), iron oxide (Fe3O4), and their composite (Fe3O4@CuO) nanoparticles on harmful microorganisms in tomato plant roots and stems. The research evaluates agro-environmental factors, including soil composition, moisture levels, and temperature, that influence the efficacy of these nanoparticles. The nanoparticles prepared by the PLAL technique were subjected to structural, morphological, topographic, and optical analysis using a range of methods, including XRD, FE-SEM, EDS, AFM, and UV–Visible spectroscopy. The copper and iron composite particles were found to be polycrystalline, with the iron element present in magnetite and hematite phases. The particles exhibited a spherical form, however, there was agglomeration between them. The optical characteristics exhibited plasmon resonance peaks, indicating the transition of the materials into an optimal nanoscale phase. Both laboratory and field studies were conducted to assess their antifungal activity. The findings reveal that the Fe3O4@CuO composite exhibited superior pathogen suppression compared to the individual nanoparticles. This research offers valuable insights into the application of nanoparticles for controlling plant fungal and bacterial diseases, contributing to more effective and sustainable agricultural practices.

Abstract Image

纳米颗粒(CuO、Fe3O4、Fe3O4@CuO)对番茄根茎致病微生物的农业环境影响及相互作用
本研究探讨了氧化铜(CuO)、氧化铁(Fe3O4)及其复合纳米粒子(Fe3O4@CuO)对番茄植株根部和茎部有害微生物的影响。研究评估了影响这些纳米粒子功效的农业环境因素,包括土壤成分、湿度和温度。利用 PLAL 技术制备的纳米颗粒采用了一系列方法进行结构、形态、形貌和光学分析,包括 XRD、FE-SEM、EDS、AFM 和紫外-可见光谱。研究发现,铜铁复合微粒为多晶体,铁元素以磁铁矿和赤铁矿相存在。颗粒呈球形,但颗粒之间存在团聚现象。光学特征显示出等离子体共振峰,表明材料已过渡到最佳纳米级相。实验室和实地研究都对其抗真菌活性进行了评估。研究结果表明,与单个纳米粒子相比,Fe3O4@CuO 复合材料具有更强的病原体抑制能力。这项研究为应用纳米粒子控制植物真菌和细菌病害提供了宝贵的见解,有助于更有效和可持续的农业实践。
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来源期刊
Applied Nanoscience
Applied Nanoscience Materials Science-Materials Science (miscellaneous)
CiteScore
7.10
自引率
0.00%
发文量
430
期刊介绍: Applied Nanoscience is a hybrid journal that publishes original articles about state of the art nanoscience and the application of emerging nanotechnologies to areas fundamental to building technologically advanced and sustainable civilization, including areas as diverse as water science, advanced materials, energy, electronics, environmental science and medicine. The journal accepts original and review articles as well as book reviews for publication. All the manuscripts are single-blind peer-reviewed for scientific quality and acceptance.
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