Physiological and biochemical response of wheat (Triticum aestivum) to TiO2 nanoparticles in phosphorous amended soil: A full life cycle study

Ullah, Sana; Adeel, Muhammad; Zain, Muhammad; Rizwan, Muhammad; Irshad, Muhammad; Jilani, Ghulam; Hameed, Asif; Khan, Abid Ali; Arshad, Muhammad; Raza, Ali; Baluch, M. A. A.; Rui, Yukui

doi:10.1016/j.jenvman.2020.110365

Cited by 83 publications

(24 citation statements)

References 53 publications

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“…ROS in plants is mainly scavenged by antioxidant enzymes, such as superoxide dismutase (SOD), catalase (CAT), ascorbate peroxidase (APX), glutathione reductase (GR), glutathione peroxidase (GPX) and peroxidase (POD). In addition, non-enzymatic low-molecular weight metabolites also can scavenge ROS, such as vitamin C, vitamin E and polyphenols [ 62 , 63 , 64 ]. Metabolic pathways related to ROS clearance will be triggered under stress.…”

Section: Nano-remediation In Plant Under Hm Stressmentioning

confidence: 99%

Application of Nanoparticles Alleviates Heavy Metals Stress and Promotes Plant Growth: An Overview

et al. 2020

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Nanotechnology is playing a significant role in addressing a vast range of environmental challenges by providing innovative and effective solutions. Heavy metal (HM) contamination has gained considerable attention in recent years due their rapidly increasing concentrations in agricultural soil. Due to their unique physiochemical properties, nanoparticles (NPs) can be effectively applied for stress alleviation. In this review, we explore the current status of the literature regarding nano-enabled agriculture retrieved from the Web of Science databases and published from January 2010 to November 2020, with most of our sources spanning the past five years. We briefly discuss uptake and transport mechanisms, application methods (soil, hydroponic and foliar), exposure concentrations, and their impact on plant growth and development. The current literature contained sufficient information about NPs behavior in plants in the presence of pollutants, highlighting the alleviation mechanism to overcome the HM stress. Furthermore, we present a broad overview of recent advances regarding HM stress and the possible mechanism of interaction between NPs and HM in the agricultural system. Additionally, this review article will be supportive for the understanding of phytoremediation and micro-remediation of contaminated soils and also highlights the future research needs for the combined application of NPs in the soil for sustainable agriculture.

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Section: Nano-remediation In Plant Under Hm Stressmentioning

confidence: 99%

Application of Nanoparticles Alleviates Heavy Metals Stress and Promotes Plant Growth: An Overview

et al. 2020

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“…Agricultural lands in Pakistan are deficient in accessible phosphorous (P) which is an important issue in sustainable plant productivity (Irfan et al, 2019). Phosphorus is one of the essential nutrients for the growth of plant and its availability in soil performs vital ecological functions (Liu et al, 2022; Ullah et al, 2020). It is a component of adenosine diphosphate and adenosine triphosphate which are essential for energy conversion and storage (Billah et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Effectiveness of compost inoculated with phosphate solubilizing bacteria

Ahmad

Zafar

Khan

et al. 2022

Journal of Applied Microbiology

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Aims:The present study was carried out to design a phosphate solubilizing bacterial (PSB)-based biofertilizer using locally produced fruit waste. Method and results:Two PSB strains Pseudomonas aeruginosa CMG4 and AAC1 were inoculated into compost. Six compost piles were prepared with carbon:nitrogen (C:N) ratio 30:1. Four piles were inoculated with PSB and two piles served as a control. After 125 days, composts were considered mature at 29-31°C in the pH range of 7.1-7.3 and 32%-35% moisture content (MC). Accessible calcium (Ca) content increased up to 50 g kg −1 . Microbial analysis showed the survival of P. aeruginosa species in the maturing compost even at higher temperature (~53°C). Native bacterial load was retrieved in the range of 10 9 -10 11 CFUg −1 . Heavy metal concentrations including copper (Cu), lead (Pb), chromium (Cr) and cadmium (Cd) were found to occur below critical thresholds. Seed germination index for compost toxicity was found to be >80%, significantly higher than animal manure and chemical fertilizer, that is, 78% and 31%, respectively, suggesting non-toxicity. Conclusions:The evaluation of prepared compost by physicochemical parameters revealed that inoculation of P. aeruginosa does not affect the temperature, MC, carbon to nitrogen ratio, organic matter and Mg content but significantly increased the accessible Ca content, suggesting the solubilization of inorganic Ca bound phosphate. Compost was safe in terms of heavy metal concentration and seed germination. Significance and impact of study:This study encourages that the PSB-rich tailored compost can be utilized as a phosphatic biofertilizer to fulfil the demand for phosphorus which would improve and sustain soil fertility.

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“…The lowest shoot length was achieved at 100 ppm nanosized TiO 2 [74]. The activities of antioxidant enzymes were decreased if TiO 2 NPs concentration increased from 50 to 100 mg kg −1 [75]. Above 30 mg mL −1 , Dehkourdi and Mosavi [77] reported that the chlorophyll contents of parsley decreased significantly.…”

Section: Correlation Between the Element Content And Phenolic Compound Concentration Assimilating Pigments Concentration Antioxidant Capamentioning

confidence: 96%

“…Feizi et al [74] reported that nanosized TiO 2 treatments in an appropriate concentration (about 10 ppm) could accelerate the seed germination and seedling growth of wheat in comparison to bulk TiO 2 . Ullah et al [75] revealed that application of 50 mg kg −1 of TiO 2 NPs significantly enhanced the root and shoot length of wheat. The increase of nutrients content in the shoots, for Ca, Cu, Al, and Mg with 50 mg kg −1 TiO 2 NPs treatment reflected improvement in plants' growth and grain's quality.…”

Section: Correlation Between the Element Content And Phenolic Compound Concentration Assimilating Pigments Concentration Antioxidant Capamentioning

confidence: 99%

The Effect of TiO2 Nanoparticles on the Composition and Ultrastructure of Wheat

et al. 2021

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The present work aims to follow the influence of TiO2 nanoparticles (TiO2 NPs) on bioactive compounds, the elemental content of wheat, and on wheat leaves’ ultrastructure. Synthesized nanoparticles were characterized by X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, and transmission electron microscopy (TEM). The concentration of phenolic compounds, assimilation pigments, antioxidant capacity, elemental content, as well as the ultrastructural changes that may occur in the wheat plants grown in the presence or absence of TiO2 NPs were evaluated. In plants grown in the presence of TiO2 NPs, the amount of assimilating pigments and total polyphenols decreased compared to the control sample, while the antioxidant activity of plants grown in amended soil was higher than those grown in control soil. Following ultrastructural analysis, no significant changes were observed in the leaves of TiO2-treated plants. Application of TiO2 NP to soil caused a significant reaction of the plant to stress conditions. This was revealed by the increase of antioxidant capacity and the decrease of chlorophyll, total polyphenols, and carotenoids. Besides, the application of TiO2 NP led to significant positive (K, Zn, Br, and Mo) and negative (Na, Mn, Fe, As, Sr, Sb, and Ba) variation of content.

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Physiological and biochemical response of wheat (Triticum aestivum) to TiO2 nanoparticles in phosphorous amended soil: A full life cycle study

Cited by 83 publications

References 53 publications

Application of Nanoparticles Alleviates Heavy Metals Stress and Promotes Plant Growth: An Overview

Application of Nanoparticles Alleviates Heavy Metals Stress and Promotes Plant Growth: An Overview

Effectiveness of compost inoculated with phosphate solubilizing bacteria

The Effect of TiO2 Nanoparticles on the Composition and Ultrastructure of Wheat

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