Enhancing Pelargonium graveolens L’Hér. (geranium) growth using Zn–Al and Mg–Al LDH nanomaterials: a biochemical approach

IF 5.2 2区农林科学 Q1 AGRICULTURE, MULTIDISCIPLINARY Chemical and Biological Technologies in Agriculture Pub Date : 2024-11-29 DOI:10.1186/s40538-024-00683-w

Shimaa Hashem, Fatma Mohamed, Momtaz M. Hegab, Mohammad K. Okla, Amal Mohamed AlGarawi, Hamada AbdElgawad, Mona Sayed

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Abstract

The approaches of nanoparticles (NPs) usage have been successfully applied to increase the growth and biological activity of aromatic and medicinal plants. In this context, we studied the effects of zinc–aluminum layered double hydroxide (Zn–Al LDH) and magnesium–Al LDH (Mg–Al LDH) NPs on geranium plants. Both LDH NPs were synthesized using the co-precipitation technique and characterized with SEM, FTIR, XRD, and Zeta potential. Using the spray method, Zn–Al LDH and Mg–Al LDH NPs (10 ppm) were used in a factorial experiment with a fully randomized design. Applying LDH NPs increased Mg and Zn content, which boosted plant growth, photosynthetic pigments, and soluble sugar levels. The administration of both LDH NPs results in a constant increase in secondary metabolites such as essential oils (EOs). Monoterpenes such as geraniol (32.7%) and β-citronellol (29.18%) were found to be the main components of the EO. Geranium plants treated with Mg–Al LDH NPs exhibited the highest levels of polyphenols (44.5%), flavonoids (33.5%), and total antioxidant capacity (31.7%). Additionally, LDH NPs had a favorable effect on antioxidant enzyme activity including catalase and peroxidase activities. Overall, Zn–Al LDH and Mg–Al LDH NPs foliar application acted as an elicitor to enhance growth and bioactive metabolite accumulation in geranium plants. Despite these promising results, several challenges remain for the broader application of LDH NPs in agriculture.

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改进天竺葵。使用锌铝和镁铝LDH纳米材料生长（天竺葵）：生化方法

纳米颗粒的应用已成功地应用于芳香和药用植物的生长和生物活性。在此背景下，我们研究了锌铝层状双氢氧化物（Zn-Al LDH）和镁铝LDH (Mg-Al LDH) NPs对天竺葵植物的影响。采用共沉淀法合成了两种LDH NPs，并用SEM、FTIR、XRD和Zeta电位对其进行了表征。采用喷雾法，采用Zn-Al LDH和Mg-Al LDH NPs （10 ppm）进行全随机设计的析因试验。施用LDH NPs提高了Mg和Zn含量，促进了植物生长、光合色素和可溶性糖水平。两种LDH NPs的施用导致次级代谢物如精油（EOs）的不断增加。香叶醇（32.7%）和β-香茅醇（29.18%）等单萜类化合物是其主要成分。Mg-Al LDH NPs处理的天竺葵植株多酚含量最高（44.5%），总黄酮含量最高（33.5%），总抗氧化能力最高（31.7%）。此外，LDH NPs对过氧化氢酶和过氧化物酶等抗氧化酶活性也有良好的影响。综上所述，锌铝LDH和镁铝LDH NPs叶面施用可以促进天竺葵植物的生长和生物活性代谢物的积累。尽管取得了这些有希望的结果，但LDH NPs在农业中的广泛应用仍然存在一些挑战。图形抽象

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来源期刊

Chemical and Biological Technologies in Agriculture Biochemistry, Genetics and Molecular Biology-Biotechnology

CiteScore

6.80

自引率

3.00%

发文量

审稿时长

15 weeks

期刊介绍： Chemical and Biological Technologies in Agriculture is an international, interdisciplinary, peer-reviewed forum for the advancement and application to all fields of agriculture of modern chemical, biochemical and molecular technologies. The scope of this journal includes chemical and biochemical processes aimed to increase sustainable agricultural and food production, the evaluation of quality and origin of raw primary products and their transformation into foods and chemicals, as well as environmental monitoring and remediation. Of special interest are the effects of chemical and biochemical technologies, also at the nano and supramolecular scale, on the relationships between soil, plants, microorganisms and their environment, with the help of modern bioinformatics. Another special focus is the use of modern bioorganic and biological chemistry to develop new technologies for plant nutrition and bio-stimulation, advancement of biorefineries from biomasses, safe and traceable food products, carbon storage in soil and plants and restoration of contaminated soils to agriculture. This journal presents the first opportunity to bring together researchers from a wide number of disciplines within the agricultural chemical and biological sciences, from both industry and academia. The principle aim of Chemical and Biological Technologies in Agriculture is to allow the exchange of the most advanced chemical and biochemical knowledge to develop technologies which address one of the most pressing challenges of our times - sustaining a growing world population. Chemical and Biological Technologies in Agriculture publishes original research articles, short letters and invited reviews. Articles from scientists in industry, academia as well as private research institutes, non-governmental and environmental organizations are encouraged.