Evaluating Ecological Nano-Calcium from Eggshells: Effects on Calcium Nutrition and Oxidative Stress in Lettuce Under Saline and Boron Toxicity

IF 3.9 3区 生物学 Q1 PLANT SCIENCES
Ozge Sahin, Kiymet Deniz Yagcioglu, Yusuf Kagan Kadioglu, Aydin Gunes
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Abstract

Nano-fertilizers with higher efficacy compared to conventional fertilizers can provide advantage for plant cultivation in both productive and problematic soils. Therefore, this study aimed to determine the effect of nano-calcium (nano-Ca) on lettuce plants grown in saline-boron toxic soil. Nano-calcium fertilizer was prepared from eggshells. Functional and structural properties of nano-Ca was determined by scanning electron microscopy (SEM), x-ray diffraction (XRD) and fourier transform infrared spectroscopy (FTIR) before plant experiment. The treatments was; control, 40 mM NaCl and 20 mg kg−1 B (NaCl + B), and 40 mM NaCl and 20 mg kg−1 B with 4 mM Nano-Ca (NaCl + B + nano-Ca). The nano-Ca significantly increased the dry weight and calcium (Ca) concentration of lettuce plants under saline-B toxic conditions. Although there was a decrease in the concentrations of sodium (Na), chloride (Cl), and boron (B) with nano-Ca treatment, it was not statistically significant. Salinity and boron toxicity lead to increased lipid peroxidation. In the present study, the production of malondialdehyde (MDA) as a marker for lipid peroxidation, along with a significant decrease in hydrogen peroxide (H2O2) concentration, was observed with the application of nano-Ca. There was no significant alteration in superoxide dismutase activity (SOD) observed in lettuce grown under saline and boron toxic conditions. However, catalase activity (CAT) increased with nano-Ca application, while the activity of ascorbate peroxidase (APX) decreased. The study results suggest that nano-Ca serves a protective function for lettuce plants cultivated under saline and boron toxic conditions.

Abstract Image

评估蛋壳中的生态纳米钙:对盐碱和硼毒性条件下莴苣钙营养和氧化应激的影响
与传统肥料相比,纳米肥料具有更高的肥效,可为高产土壤和问题土壤中的植物栽培提供优势。因此,本研究旨在确定纳米钙(nano-Ca)对生长在盐硼毒土壤中的莴苣植物的影响。纳米钙肥由蛋壳制备而成。在植物实验前,通过扫描电子显微镜(SEM)、X 射线衍射(XRD)和傅立叶变换红外光谱(FTIR)测定了纳米钙的功能和结构特性。处理包括:对照组、40 毫摩尔 NaCl 和 20 毫克/千克 B(NaCl + B)以及 40 毫摩尔 NaCl 和 20 毫克/千克 B 加 4 毫摩尔纳米钙(NaCl + B + 纳米钙)。在盐碱-B 中毒条件下,纳米钙能明显增加莴苣植株的干重和钙(Ca)浓度。虽然钠(Na)、氯(Cl)和硼(B)的浓度在纳米钙处理后有所降低,但在统计学上并不显著。盐度和硼毒性导致脂质过氧化增加。在本研究中,施用纳米钙后,观察到作为脂质过氧化标志的丙二醛(MDA)的产生,以及过氧化氢(H2O2)浓度的显著下降。在盐水和硼毒条件下生长的莴苣,其超氧化物歧化酶活性(SOD)没有发生明显变化。然而,过氧化氢酶活性(CAT)随着纳米钙的应用而增加,而抗坏血酸过氧化物酶(APX)的活性则有所下降。研究结果表明,纳米钙对在盐碱和硼毒条件下栽培的莴苣植物具有保护作用。
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来源期刊
CiteScore
8.40
自引率
6.20%
发文量
312
审稿时长
1.8 months
期刊介绍: The Journal of Plant Growth Regulation is an international publication featuring original articles on all aspects of plant growth and development. We welcome manuscripts reporting question-based research on various aspects of plant growth and development using hormonal, physiological, environmental, genetic, biophysical, developmental and/or molecular approaches. The journal also publishes timely reviews on highly relevant areas and/or studies in plant growth and development, including interdisciplinary work with an emphasis on plant growth, plant hormones and plant pathology or abiotic stress. In addition, the journal features occasional thematic issues with special guest editors, as well as brief communications describing novel techniques and meeting reports. The journal is unlikely to accept manuscripts that are purely descriptive in nature or reports work with simple tissue culture without attempting to investigate the underlying mechanisms of plant growth regulation, those that focus exclusively on microbial communities, or deal with the (elicitation by plant hormones of) synthesis of secondary metabolites.
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