Effects of seed priming with ascorbic acid to mitigate salinity stress on three wheat (Triticum aestivum L.) cultivars.

Baig, Zoya; Khan, Nasrullah; Sahar, Shagufta; Sattar, Samia; Zehra, Rabab

doi:10.1016/j.chnaes.2021.08.010

Cited by 11 publications

(8 citation statements)

References 25 publications

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“…The results of comparison of the average of seed vigor index (Figure 10) showed that with increasing salinity levels, seed vigor index decreased. In the study of Baig et al 61 it was shown that, different levels of salinity significantly reduced growth traits such as germination percentage, root and stem length, seed vigor index. Seed vigor index in uncoated polymer seeds and in the absence of salinity stress showed significant growth in the presence of 6% zinc oxide nanoparticles.…”

Section: Resultsmentioning

confidence: 99%

The application of hydrophilic polyvinyl alcohol coatings filled with different loadings of zinc oxide nanoparticles to mitigate salinity stress of the wheat seeds

Gohari

Modiri

Yari

et al. 2023

J of Applied Polymer Sci

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In this work the effects of wheat seeds coating with polyvinyl alcohol (0 and 1.5 wt.%) and zinc oxide nanoparticles (0, 2, 4, and 6 wt.% of the amount of polyvinyl alcohol) under salinity stress (0 and 2 ds/m) to increase the seed resistance under non-biological stresses and to improve its productivity were studied. To evaluate the properties of the applied coating on the studied seeds, films consisting of polyvinyl alcohol and zinc oxide nanoparticles were also prepared and characterized by tensile tests, differential scanning calorimeter, Fourier transform infrared spectroscopy, Atomic force microscopy, moisture absorption, hardness, contact angle measurements, and scanning electronic microscope. A laboratory study was conducted as factorial in a completely randomized design with three replications to evaluate the germination indices. The films containing nanoparticles had a higher modulus and elongation at break. However, increasing the nanoparticles to 6 wt.% reduced the tensile strength by 29%. In addition, the application of nanoparticles caused an increase in film hardness, a decrease in moisture absorption, and an increase in contact angle. As results, the mechanical properties of the seed polymer coating were introduced as one of the most influential factors in seed germination performance. Regarding the effect of nanoparticles, zinc oxide nanoparticles significantly reduced the adverse effects of salinity stress.

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Section: Resultsmentioning

confidence: 99%

The application of hydrophilic polyvinyl alcohol coatings filled with different loadings of zinc oxide nanoparticles to mitigate salinity stress of the wheat seeds

Gohari

Modiri

Yari

et al. 2023

J of Applied Polymer Sci

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“…This finding provides evidence for the occurrence of translocation, as illustrated in Figure 3. In an earlier investigation, researchers observed the absorption of polycyclic aromatic hydrocarbons (PAHs) from a liquid solution through the roots of wheat plants, followed by their subsequent transportation to the shoots [31]. A transpiration stream may facilitate the translocation of dioxins from roots to shoots [32].…”

Section: Bioaccumulation and Translocationmentioning

confidence: 99%

Assessing the bioaccumulation and translocation potential of vetiver grass for dioxins phytoremediation in Bien Hoa airbase, Viet Nam

Ngo,

Nguyen

2024

Vietnam J. Sci. Technol.

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Dioxins (PCDD/Fs) are well-known toxic organic pollutants that accumulate in the environment and the food chain, imposing a risk to human health and the ecosystem. Due to the use of dioxin-contaminated herbicides during the US-Vietnam War, there are several hotspots in Vietnam with very high levels of dioxins. Phytoremediation has been increasingly developed in recent decades because of its low cost and environmental-friendly aspect. Vetiver grass is a plant that can remediate both organic and inorganic agents. In this study, the uptake and translocation of dioxins in Vetiver grass (Chrysopogon zizanioides) from the dioxin-contaminated soil was investigated in a field experiment on the Bien Hoa airbase, Vietnam. An experimental area was divided into six plots, of which three were planted with Vetiver grass and three served as control plots, with the initial dioxin concentrations as following: FC2>FC3>FC1>FT2>FT3>FT1. Vetiver grass had grown well on the dioxin-contaminated soils, yielding high biomass and the level of dioxins in the roots of vetiver grass was positively correlated (r2 = 0.67; p<0.01) with its growth rate. During the first year of cultivation, Vetiver grass had the greatest capacity to efficiently accumulate dioxin. Accumulation occurs in the roots, with BAF>1 throughout the entire experiment period for FT3, and in the first year for FT1 and FT2. The dioxin translocation from the roots to the shoots was significantly lower than the BAF and less than one (TF<1), with the first and second sampling times having the highest values compared to the others. Dioxin concentrations do not provide a reliable indicator of its bioavailability but numerous other factors, such as physicochemical properties of the soil and microbes. Our study aims to contribute significant insights to capability of Vetiver grass to accumulate and translocate dioxins, hence the arsenal of dioxin remediation. Furthermore, we envisage translating our findings into practical applications in other areas, considering optimized planting techniques, growth conditions, and long-term sustainability.

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“…However, the most convincing results are obtained when the germination of AsA-primed seeds takes place under stress conditions. As an example, the germination percentage of wheat plants in the presence of 200 mM of NaCl is 55 ± 6.5 in unprimed controls, but increases to 73 ± 6.6 when the seeds are primed with a 150 mg/L AsA solution [98]. Unfortunately, not many attempts have been made to explain the molecular mechanisms underlying the beneficial effects of AsA priming.…”

Section: Priming With Asamentioning

confidence: 99%

Ascorbic Acid in Seeds, Priming and Beyond

Terzaghi,

De Tullio

2023

Seeds

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Ascorbic acid (AsA) is mainly known as an antioxidant. However, if the peculiar features of the AsA system in the different stages of seed development and germinationare taken into consideration, it can be concluded that the function of AsA goes far beyond its antioxidant properties. The possible involvement of AsA in the regulation of hormone synthesis and in the epigenetic control of gene expression opens new directions to further research. In recent years, seed priming with AsA has been successfully used as a strategy to improve germination and plant productivity. Beneficial effects of seed AsA priming could be observed in several crop species, but the underlying molecular mechanism(s) are still unclear. The available evidence suggests that AsA priming induces a wide range of coordinated responses allowing primed seeds to overcome adverse environmental conditions.

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Effects of seed priming with ascorbic acid to mitigate salinity stress on three wheat (Triticum aestivum L.) cultivars.

Cited by 11 publications

References 25 publications

The application of hydrophilic polyvinyl alcohol coatings filled with different loadings of zinc oxide nanoparticles to mitigate salinity stress of the wheat seeds

The application of hydrophilic polyvinyl alcohol coatings filled with different loadings of zinc oxide nanoparticles to mitigate salinity stress of the wheat seeds

Assessing the bioaccumulation and translocation potential of vetiver grass for dioxins phytoremediation in Bien Hoa airbase, Viet Nam

Ascorbic Acid in Seeds, Priming and Beyond

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