Silicon Mitigates Drought Stress in Wheat (Triticum aestivum L.) Through Improving Photosynthetic Pigments, Biochemical and Yield Characters

Bukhari, Muhammad Adnan; Ahmad, Zahoor; Ashraf, Muhammad; Afzal, Muhammad; Nawaz, Fahim; Nafees, Muhammad; Jatoi, Wajid Nasim; Malghani, Naveed Aslam; Shah, Adnan Noor; Manan, Abdul

doi:10.1007/s12633-020-00797-4

Cited by 83 publications

(54 citation statements)

References 42 publications

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“…Application of silicon causes reduction of plant infestation by diseases [3][4][5][6][7][8][9][10] and pest [5,8,9,[11][12][13]. It also increases the plant's tolerance to drought [14][15][16][17][18][19][20][21][22][23][24][25], high and low temperature [14,[25][26][27], shading [28], flooding with water [14], and deficiency of macro-and micro-nutrients [29][30][31]. Silicon can also reduce the harmful effects of soil salinity, which can be severe problem in some regions [4,[32][33][34][35].…”

Section: Introductionmentioning

confidence: 99%

Effect of the Application Date of Fertilizer Containing Silicon and Potassium on the Yield and Technological Quality of Sugar Beet Roots

Artyszak

Gozdowski

Siuda

2021

Plants

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Water shortage and drought are a growing problem in Europe. Therefore, effective methods for limiting its effects are necessary. At the same time, the "field to fork" strategy adopted by the European Commission aims to achieve a significant reduction in the use of plant protection products and fertilizers in the European Union. In an experiment conducted in 2018–2020, the effect of the method of foliar fertilization containing silicon and potassium on the yield and technological quality of sugar beet roots was assessed. The fertilizer was used in seven combinations, differing in the number and time of application. The best results were obtained by treating plants during drought stress. The better soil moisture for the plants, the smaller the pure sugar yield increase was observed. It is difficult to clearly state which combination of silicon and potassium foliar application is optimal, as their effects do not differ greatly.

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Section: Introductionmentioning

confidence: 99%

Effect of the Application Date of Fertilizer Containing Silicon and Potassium on the Yield and Technological Quality of Sugar Beet Roots

Artyszak

Gozdowski

Siuda

2021

Plants

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“…However, both Si and Si-NPs improved the BY at well-watered and water-stressed conditions. Bukhari et al [1] represented the higher effective role of Si under water stress condition compared to well-watered situation, which it suggests the principal role of Si in plant growth and development at water de cit conditions. Compared to Si, Si-NPs was signi cant more effective, which is related to the higher availability of Si-NPs with coriander plants than Si.…”

Section: Discussionmentioning

confidence: 99%

“…Drought, as a main abiotic stress, affects physiological and biochemical processes of plants, especially the synthesis and accumulation of secondary metabolites [1]. Under de cit of water supply, chemical signals are transmitted from the roots to the leaf through xylem pathways, in which plants stimulate physiological changes such as stomatal closure, photosynthesis reduction, and enhancement of the antioxidant potential through biochemical pathways like antioxidant enzymes and phenolic content [2].…”

Section: Introductionmentioning

confidence: 99%

“…It is considered as the second abundant element in earth crust after oxygen [4]. The positive effect of Si on plant growth and development under biotic and abiotic stress conditions have been well documented [1,5]. Si stimulates plant growth through improving nutrients uptake, water content, and the resistance to pathogens and diseases [5].…”

Section: Introductionmentioning

confidence: 99%

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Foliar-applied Silicon and its Nanoparticles Stimulates Physio-chemical Changes to Improve Growth, Yield and Active Constituents of Coriander (Coriandrum Sativum L.) Essential oil Under Different Irrigation Regimes

Afshari

Pazoki

Sadeghipour

2021

Preprint

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Purpose Silicon (Si) plays beneficial role in alleviating biotic and abiotic stresses but comparative investigations with Si nanoparticles (Si-NPs) under water restriction on medicinal plants is not recognized. The aim of this study was to observe the Si and Si-NPs effects on growth, physio-chemical attributes, and essential oil (EO) profile in aerial parts of coriander (coriandrum sativum L.) under water stress. Methods A split-plot experiment was conducted with irrigation regimes (irrigation after 60, 90, and 120 mm evaporation from Class A pan) in the main plots and foliar application of Si (in the form of Na2SiO3) and Si-NPs in the subplots during 2019 and 2020. Results The results represented drought particularly severe stress decreased biological yield and relative water content (RWC) but increased total soluble sugar (TSS). Both Si and Si-NPs improved plant growth and yield through improved RWC, TSS, total phenolic content (TPC) and total flavonoid content (TFC). Moderate drought stress with Si-NPs was highly effective on TPC, TFC, EO percentage and yield. The main EO constitutes were n-Decanal (20.8-27.6%), 2E-Dodecanal (13.3-16.7%), 2E-Decanal (13.9-18.7%), 2E-Tridecen-1-al (7.3-10.5%), Dodecanal (7.2-10.6%), and n-Nonane (4.3-8.7%). Heat map analysis (HMA) showed foliar application of Si and Si-NPs were significantly distinguished from control treatment, which was mainly explained by EO yield and TFC attributes. Conclusion Foliar-applied Si-NPs was the rapidly and highly effective practice to reach the optimum antioxidant capacity and EO yield of coriander plants when experience moderate drought stress.

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“…In the past few decades, silicon (Si) has emerged as one of the beneficial elements that mitigate various abiotic stresses in plants such as nickel-induced oxidative stress ( Abd_Allah et al, 2019 ), NaCl toxicity ( Ahmad et al, 2019 ), cadmium stress ( Jan et al, 2018 ; Kaya et al, 2020a ), boron toxicity ( Kaya et al, 2020b ), fluoride stress ( Banerjee et al, 2021 ), and drought stress ( Bukhari et al, 2020 ). In addition, Si compensates phosphorus deficit-induced growth inhibition ( Zhang et al, 2019 ) and alleviates combined salinity and cadmium stress in date palm ( Khan et al, 2020 ).…”

Section: Introductionmentioning

confidence: 99%

Silicon Alleviate Hypoxia Stress by Improving Enzymatic and Non-enzymatic Antioxidants and Regulating Nutrient Uptake in Muscadine Grape (Muscadinia rotundifolia Michx.)

et al. 2021

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Flooding induces low oxygen (hypoxia) stress to plants, and this scenario is mounting due to hurricanes followed by heavy rains, especially in subtropical regions. Hypoxia stress results in the reduction of green pigments, gas exchange (stomatal conductance and internal CO2 concentration), and photosynthetic activity in the plant leaves. In addition, hypoxia stress causes oxidative damage by accelerating lipid peroxidation due to the hyperproduction of reactive oxygen species (ROS) in leaf and root tissues. Furthermore, osmolyte accumulation and antioxidant activity increase, whereas micronutrient uptake decreases under hypoxia stress. Plant physiology and development get severely compromised by hypoxia stress. This investigation was, therefore, aimed at appraising the effects of regular silicon (Si) and Si nanoparticles (SiNPs) to mitigate hypoxia stress in muscadine (Muscadinia rotundifolia Michx.) plants. Our results demonstrated that hypoxia stress reduced muscadine plants’ growth by limiting the production of root and shoot dry biomass, whereas the root zone application of both Si and SiNP effectively mitigated oxidative and osmotic cell damage. Compared to Si, SiNP yielded better efficiency by improving the activity of enzymatic antioxidants [including superoxide dismutase (SOD), peroxidase (POD), and catalase (CAT)], non-enzymatic antioxidants [ascorbic acid (AsA) and glutathione contents], and accumulation of organic osmolytes [proline and glycinebetaine (GB)]. SiNP also regulated the nutrient profile of the plants by increasing N, P, K, and Zn contents while limiting Mn and Fe concentration to a less toxic level. A negative correlation between antioxidant activities and lipid peroxidation rates was observed in SiNP-treated plants under hypoxia stress. Conclusively, SiNP-treated plants combat hypoxia more efficiently stress than conventional Si by boosting antioxidant activities, osmoprotectant accumulation, and micronutrient regulation.

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Silicon Mitigates Drought Stress in Wheat (Triticum aestivum L.) Through Improving Photosynthetic Pigments, Biochemical and Yield Characters

Cited by 83 publications

References 42 publications

Effect of the Application Date of Fertilizer Containing Silicon and Potassium on the Yield and Technological Quality of Sugar Beet Roots

Effect of the Application Date of Fertilizer Containing Silicon and Potassium on the Yield and Technological Quality of Sugar Beet Roots

Foliar-applied Silicon and its Nanoparticles Stimulates Physio-chemical Changes to Improve Growth, Yield and Active Constituents of Coriander (Coriandrum Sativum L.) Essential oil Under Different Irrigation Regimes

Silicon Alleviate Hypoxia Stress by Improving Enzymatic and Non-enzymatic Antioxidants and Regulating Nutrient Uptake in Muscadine Grape (Muscadinia rotundifolia Michx.)

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