Abdelhameed Reda E, Abu-Elsaad Nagwa I, Abdel Latef Arafat Abdel Hamed, Metwally Rabab A
Botany and Microbiology Department, Faculty of Science, Zagazig University, Zagazig 44519, Egypt.
Physics Department, Faculty of Science, Zagazig University, Zagazig 44519, Egypt.
Plants (Basel). 2021 Mar 19;10(3):583. doi: 10.3390/plants10030583.
Important gaps in knowledge remain regarding the potential of nanoparticles (NPs) for plants, particularly the existence of helpful microorganisms, for instance, arbuscular mycorrhizal (AM) fungi present in the soil. Hence, more profound studies are required to distinguish the impact of NPs on plant growth inoculated with AM fungi and their role in NP uptake to develop smart nanotechnology implementations in crop improvement. Zinc ferrite (ZnFeO) NPs are prepared via the citrate technique and defined by X-ray diffraction (XRD) as well as transmission electron microscopy for several physical properties. The analysis of the XRD pattern confirmed the creation of a nanocrystalline structure with a crystallite size equal to 25.4 nm. The effects of ZnFeO NP on AM fungi, growth and pigment content as well as nutrient uptake of pea () plants were assessed. ZnFeO NP application caused a slight decrease in root colonization. However, its application showed an augmentation of 74.36% and 91.89% in AM pea plant shoots and roots' fresh weights, respectively, compared to the control. Moreover, the synthesized ZnFeO NP uptake by plant roots and their contents were enhanced by AM fungi. These findings suggest the safe use of ZnFeO NPs in nano-agricultural applications for plant development with AM fungi.
关于纳米颗粒（NPs）对植物的潜在影响，尤其是土壤中有益微生物（如丛枝菌根（AM）真菌）的存在，仍存在重要的知识空白。因此，需要更深入的研究来区分NPs对接种AM真菌的植物生长的影响及其在NP吸收中的作用，以开发用于作物改良的智能纳米技术应用。通过柠檬酸盐技术制备了铁酸锌（ZnFeO）NPs，并通过X射线衍射（XRD）以及透射电子显微镜对其多种物理性质进行了定义。XRD图谱分析证实形成了微晶尺寸为25.4nm的纳米晶体结构。评估了ZnFeO NP对AM真菌、豌豆（）植物生长、色素含量以及养分吸收的影响。施用ZnFeO NP导致根部定殖略有下降。然而，与对照相比，其施用使AM豌豆植株地上部和根部鲜重分别增加了74.36%和91.89%。此外，AM真菌增强了植物根系对合成的ZnFeO NP的吸收及其含量。这些发现表明，在与AM真菌一起用于植物发育的纳米农业应用中，ZnFeO NPs可以安全使用。
