Comparing the individual and combined effects of nano zinc and conventional zinc fertilization on growth, yield, phytochemical properties, antioxidant activity, and secoisolariciresinol diglucoside content in linseed

Plant Nano Biology Pub Date : 2024-10-17 DOI:10.1016/j.plana.2024.100098

Ragini Singh , Peer Saffeullah , Shahid Umar , Sageer Abass , Sayeed Ahmad , Noushina Iqbal

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引用次数: 0

Abstract

Zinc sulfate (ZnSO₄), a conventional Zn fertilizer, is widely used due to its high solubility and ease of application. In contrast, nano Zn represents an innovative approach, utilizing nanoscale particles to enhance Zn bioavailability and uptake efficiency. This study compares these two Zn fertilizers regarding their impact on plant growth, yield, Zn uptake, and overall crop quality. In our study, we explored the potential of nano Zn and ZnSO₄ by applying two different doses of each (100, 1000 ppm ZnO NP and 30, 50 kg ha⁻¹ ZnSO₄) both individually and in combination, to linseed accession. The results obtained showed the potential of nano Zn over conventional Zn fertilizer in terms of enhanced linseed growth and yield together with greater antioxidants enzyme, oil content, protein content, Zn accumulation, secoisolariciresinol diglucoside (SDG) content, and the accumulation of bioactive metabolites. Nanoscale ZnO (with particle size less than 100 nm) at a 1000 ppm concentration sped up growth, yield, increased SDG content, and antioxidant activity. However, when nano Zn (1000 ppm) was applied in combination with ZnSO₄ (30 kg ha⁻¹), it maximally enhanced plant fresh and dry weight, photosynthesis, and yield compared to their individual treatment. The combined application increased seed yield by 4.55 folds compared to the control. The treated plants were assessed for SDG content using liquid chromatography-mass spectrometry analysis (LC-MS), which showed maximum increase with 1000 ppm ZnO NP. SDG is a type of lignan known for their antioxidant properties and potential health benefits paving way for its pharmaceutical importance.

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比较纳米锌和传统锌肥对亚麻籽的生长、产量、植物化学特性、抗氧化活性和仲异落叶松脂二葡萄糖苷含量的单独和综合影响

硫酸锌（ZnSO4）是一种传统的锌肥，因其溶解度高、易于施用而被广泛使用。相比之下，纳米锌代表了一种创新方法，它利用纳米级颗粒来提高锌的生物利用率和吸收效率。本研究比较了这两种锌肥对植物生长、产量、锌吸收和作物整体质量的影响。在我们的研究中，我们对亚麻籽品种施用了两种不同剂量的纳米锌和硫酸锌（分别为 100 和 1000 ppm ZnO NP 以及 30 和 50 kg ha-1 ZnSO4），既有单独施用，也有混合施用。研究结果表明，与传统锌肥相比，纳米锌具有提高亚麻籽生长和产量的潜力，同时还能提高抗氧化酶、油含量、蛋白质含量、锌积累、仲异落叶松脂素二葡萄糖苷（SDG）含量以及生物活性代谢物的积累。浓度为 1000 ppm 的纳米级氧化锌（粒径小于 100 nm）可加速生长、提高产量、增加 SDG 含量和抗氧化活性。然而，当纳米锌（1000 ppm）与硫酸锌（30 kg ha-1）联合施用时，与单独施用相比，能最大程度地提高植物的鲜重和干重、光合作用和产量。与对照组相比，联合施用可使种子产量提高 4.55 倍。使用液相色谱-质谱分析法（LC-MS）对处理过的植物进行了 SDG 含量评估，结果表明 1000 ppm ZnO NP 能最大程度地提高 SDG 含量。SDG 是一种木质素，因其抗氧化特性和潜在的健康益处而闻名，为其在医药方面的重要性铺平了道路。

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来源期刊

Plant Nano Biology

CiteScore

2.80

自引率

0.00%

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