Zinc Oxide and Silicone Nanoparticles to Improve the Resistance Mechanism and Annual Productivity of Salt-Stressed Mango Trees

Elsheery, Nabil I.; Helaly, M. N.; El-Hoseiny, Hanan M.; Alam‐Eldein, Shamel M.

doi:10.3390/agronomy10040558

Cited by 169 publications

(86 citation statements)

References 92 publications

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“…The fractions in the parentheses are channel slopes. ( Asaeda et al, 2020;Elsheery et al, 2020a;Elsheery et al, 2020b), and it is highly correlated with the intensity of a single environmental factor El-Sheery, 2017;Parveen et al, 2017;Chalanika De Silva and Asaeda, 2018). The present study elucidates that under a combination of different environmental factors, the total H 2 O 2 concentration is provided as the sum of H 2 O 2 generated by individual factors and the amount generated by metabolism (Apel and Hirt, 2004).…”

Section: The Depth-wise Distribution Of H 2 O 2 Concentration Of Different Speciessupporting

confidence: 55%

“…Thus, the presence of a specific macrophyte species in an area depends on whether environmental factors are within their tolerance levels as well as on the duration of the exposure. When plants are subjected to unpreferable environmental conditions, reactive oxygen species (ROS) are generated in different organelles (Zaman and Asaeda, 2013;Das and Roychoudhury, 2014;Choudhury et al, 2017;Helaly et al, 2017;Parveen et al, 2017;Asaeda et al, 2018;Elsheery et al, 2020a;Elsheery et al, 2020b), which damages the plant body by the oxidative stress. Some ROS are scavenged relatively quickly by antioxidants (Omar et al, 2012), and the homogeneity of ROS in tissues is maintained by balancing the ROS and antioxidants.…”

Section: Introductionmentioning

confidence: 99%

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Tissue Hydrogen Peroxide Concentration Can Explain the Invasiveness of Aquatic Macrophytes: A Modeling Perspective

Asaeda

Rashid

Schoelynck

2021

Front. Environ. Sci.

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In recent years, an invasive macrophyte, Egeria densa, has overwhelmingly colonized some midstream reaches of Japanese rivers. This study was designed to determine how E. densa has been able to colonize these areas and to assess the environmental conditions that limit or even prevent colonization. Invasive species (E. densa and Elodea nuttallii), and Japanese native species (Myriophyllum spicatum, Ceratophyllum demersum, and Potamogeton crispuss) were kept in experimental tanks and a flume with different environmental conditions. Tissue hydrogen peroxide (H2O2) concentrations were measured responding to either individual or multiple environmental factors of light intensity, water temperature, and water flow velocity. In addition, plants were sampled in rivers across Japan, and environmental conditions were measured. The H2O2 concentration increased in parallel to the increment of unpreferable levels of each abiotic factor, and the trend was independent of other factors. The total H2O2 concentration is provided by the sum of contribution of each factor. Under increased total H2O2 concentration, plants first started to decrease in chlorophyll concentration, then reduce their growth rate, and subsequently reduce their biomass. The H2O2 concentration threshold, beyond which degradation is initiated, was between 15 and 20 µmol/gFW regardless of the environmental factors. These results highlight the potential efficacy of total H2O2 concentration as a proxy for the overall environmental condition. In Japanese rivers, major environmental factors limiting macrophyte colonization were identified as water temperature, high solar radiation, and flow velocity. The relationship between the unpreferable levels of these factors and H2O2 concentration was empirically obtained for these species. Then a mathematical model was developed to predict the colonization area of these species with environmental conditions. The tissue H2O2 concentration decreases with increasing temperature for E. densa and increases for other species, including native species. Therefore, native species grow intensively in spring; however, they often deteriorate in summer. For E. densa, on the other hand, H2O2 concentration decreases with high water temperature in summer, allowing intensive growth. High solar radiation increases the H2O2 concentration, deteriorating the plant. Although the H2O2 concentration of E. densa increases with low water temperature in winter, it can survive in deep water with low H2O2 concentration due to diffused solar radiation. Currently, river rehabilitation has created a deep zone in the channel, which supports the growth and spreading of E. densa.

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Section: The Depth-wise Distribution Of H 2 O 2 Concentration Of Different Speciessupporting

confidence: 55%

Section: Introductionmentioning

confidence: 99%

Tissue Hydrogen Peroxide Concentration Can Explain the Invasiveness of Aquatic Macrophytes: A Modeling Perspective

Asaeda

Rashid

Schoelynck

2021

Front. Environ. Sci.

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“…The relevant studies regarding functionalization, modification or newly conjugated structures of nanoparticles are some of the emerging and hot topics nowadays [ 10 ]. Out of the available nanomaterials, cerium dioxide (nCeO 2 ) [ 13 , 14 , 15 , 16 ], magnetite (nFe 3 O 4 ) [ 17 , 18 , 19 ], zinc oxide (nZnO) [ 20 ], silicon dioxide (nSiO 2 ) [ 21 ], copper oxide (nCuO) [ 22 ], aluminum oxide (nAl 2 O 3 ) [ 23 ] and carbon nanotubes [ 24 ] showed protective roles in plants under stress conditions. In the case of medicinal and aromatic plant species, the application of nanoparticles is one of the novel and wise strategies used to increase growth, yield and especially secondary metabolites in plants under salt stress [ 25 ].…”

Section: Introductionmentioning

confidence: 99%

Salt Stress Mitigation via the Foliar Application of Chitosan-Functionalized Selenium and Anatase Titanium Dioxide Nanoparticles in Stevia (Stevia rebaudiana Bertoni)

et al. 2021

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High salt levels are one of the significant and major limiting factors on crop yield and productivity. Out of the available attempts made against high salt levels, engineered nanoparticles (NPs) have been widely employed and considered as effective strategies in this regard. Of these NPs, titanium dioxide nanoparticles (TiO2 NPs) and selenium functionalized using chitosan nanoparticles (Cs–Se NPs) were applied for a quite number of plants, but their potential roles for alleviating the adverse effects of salinity on stevia remains unclear. Stevia (Stevia rebaudiana Bertoni) is one of the reputed medicinal plants due to their diterpenoid steviol glycosides (stevioside and rebaudioside A). For this reason, the current study was designed to investigate the potential of TiO2 NPs (0, 100 and 200 mg L−1) and Cs–Se NPs (0, 10 and 20 mg L−1) to alleviate salt stress (0, 50 and 100 mM NaCl) in stevia. The findings of the study revealed that salinity decreased the growth and photosynthetic traits but resulted in substantial cell damage through increasing H2O2 and MDA content, as well as electrolyte leakage (EL). However, the application of TiO2 NPs (100 mg L−1) and Cs–Se NPs (20 mg L−1) increased the growth, photosynthetic performance and activity of antioxidant enzymes, and decreased the contents of H2O2, MDA and EL under the saline conditions. In addition to the enhanced growth and physiological performance of the plant, the essential oil content was also increased with the treatments of TiO2 (100 mg L−1) and Cs–Se NPs (20 mg L−1). In addition, the tested NPs treatments increased the concentration of stevioside (in the non-saline condition and under salinity stress) and rebaudioside A (under the salinity conditions) in stevia plants. Overall, the current findings suggest that especially 100 mg L−1 TiO2 NPs and 20 mg L−1 Cs–Se could be considered as promising agents in combating high levels of salinity in the case of stevia.

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“…Potato is a moderately salt-tolerant vegetable crop (1.7 dS/m = 1088 ppm). Plant growth and productivity are affected by salinity [2][3][4][5]. Salt stress negatively affects tuber sprouting, adventitious root development and biomass production, which significantly reduce yield [6].…”

Section: Introductionmentioning

confidence: 99%

Impact of gamma irradiation pretreatment on biochemical and molecular responses of potato growing under salt stress

Mohamed

Osama

Manal

et al. 2021

Chem. Biol. Technol. Agric.

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Background Previous literatures revealed that gamma rays have an increasing effect on salt tolerance in different plants. In vitro experiment was conducted to study the effect of gamma rays (20 Gray) on salt tolerance of four potato cultivars (Lady Rosetta, Diamante, Gold, and Santana). Results Gamma-treated Santana plantlets were more tolerant to salinity as compared to other cultivars. It showed a significant increment of fresh weight (250% over the untreated). Gamma-treated plantlets of Lady Rosetta, Diamante, and Gold showed higher activity of peroxidase (POD) and polyphenol oxidase (PPO). Isoenzymes analysis showed an absence of POD 3, 4, and 5 in Gold plantlets. The dye of most PODs and PPOs bands were denser (more active) in gamma-treated plantlets of Santana as compared to other cultivars. Both gamma-treated and untreated plantlets showed the absence of PPO1 in Lady Rosetta and Diamante, and PPO 3, 4, and 5 in Gold plantlets. Genetic marker analysis using ISSR with six different primers showed obvious unique negative and positive bands with different base pairs in mutant plantlets as compared to the control, according to primer sequence and potato genotype. The 14A primer was an efficient genetic marker between mutated and unmutated potato genotypes. Santana had a unique fingerprint in the 1430-pb site, which can be a selectable marker for the cultivar. An increment in genetic distance between Gold cultivar and others proved that the mutation was induced because of gamma rays. Conclusion We assume that irradiation of potato callus by 20-Gy gamma rays is an effective process for inducing salt resistance. However, this finding should be verified under field conditions. Graphic Abstract

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Zinc Oxide and Silicone Nanoparticles to Improve the Resistance Mechanism and Annual Productivity of Salt-Stressed Mango Trees

Cited by 169 publications

References 92 publications

Tissue Hydrogen Peroxide Concentration Can Explain the Invasiveness of Aquatic Macrophytes: A Modeling Perspective

Tissue Hydrogen Peroxide Concentration Can Explain the Invasiveness of Aquatic Macrophytes: A Modeling Perspective

Salt Stress Mitigation via the Foliar Application of Chitosan-Functionalized Selenium and Anatase Titanium Dioxide Nanoparticles in Stevia (Stevia rebaudiana Bertoni)

Impact of gamma irradiation pretreatment on biochemical and molecular responses of potato growing under salt stress

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