The Impact of Silicon on Photosynthetic and Biochemical Responses of Sugarcane under Different Soil Moisture Levels

Verma, Krishan K.; Liu, Xihui; Wu, Kai–Chao; Singh, Rajesh Kumar; Song, Qianqian; Malviya, Mukesh Kumar; Song, Xiu–Peng; Singh, Pratiksha; Verma, Chhedi Lal; Li, Yang–Rui

doi:10.1007/s12633-019-00228-z

Cited by 79 publications

(98 citation statements)

References 59 publications

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“…The photosynthetic machinery in plants is very sensitive to environmental stresses [ 17 , 95 ]. However, exogenous application of Si enhanced the photosynthetic capacity in various plants subjected to abiotic stresses [ 2 , 17 , 29 , 46 , 96 , 97 ]. Silicon enhanced photosynthesis, nutrient uptake, and ultimately plant growth development and biomass subjected to various stresses through increasing leaf gas exchange.…”

Section: Improvement Of Photosynthesis and Plant Growthmentioning

confidence: 99%

“…ROS, in turn, may also induce a damaging effect on the plasma membrane and endo-membrane systems, and disturb general metabolic processes. The main antioxidant enzymes that have been reported with enhanced activities are catalase (CAT), superoxide dismutase (SOD), peroxidase (POD), glutathione reductase, guaiacol peroxidase (GPOD), ascorbate peroxidase (APOD), and dehydroascorbate reductase [ 2 , 20 , 29 ]. Salinity and water deficit may modify the activities of antioxidant enzymes [ 127 ], while Si may reduce oxidative stress by modifying antioxidative defense enzymes [ 126 ] as it induces additional support by the formation of malondialdehyde, thereby minimizing the loss of electrolytes, malondialdehyde (MDA), and immobilization and reduction of the entry of hazardous ions [ 39 , 53 ].…”

Section: Response Of Antioxidant Enzymesmentioning

confidence: 99%

“… The multiple functions of silicon and plant growth promoting rhizobacteria (PGPRs) alleviate abiotic stresses in plants [ 17 , 29 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 ]. …”

Section: Figurementioning

confidence: 99%

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Interactive Role of Silicon and Plant–Rhizobacteria Mitigating Abiotic Stresses: A New Approach for Sustainable Agriculture and Climate Change

Song

Singh

et al. 2020

Plants

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Abiotic stresses are the major constraints in agricultural crop production across the globe. The use of some plant–microbe interactions are established as an environment friendly way of enhancing crop productivity, and improving plant development and tolerance to abiotic stresses by direct or indirect mechanisms. Silicon (Si) can also stimulate plant growth and mitigate environmental stresses, and it is not detrimental to plants and is devoid of environmental contamination even if applied in excess quantity. In the present review, we elaborate the interactive application of Si and plant growth promoting rhizobacteria (PGPRs) as an ecologically sound practice to increase the plant growth rate in unfavorable situations, in the presence of abiotic stresses. Experiments investigating the combined use of Si and PGPRs on plants to cope with abiotic stresses can be helpful in the future for agricultural sustainability.

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Section: Improvement Of Photosynthesis and Plant Growthmentioning

confidence: 99%

Section: Response Of Antioxidant Enzymesmentioning

confidence: 99%

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Interactive Role of Silicon and Plant–Rhizobacteria Mitigating Abiotic Stresses: A New Approach for Sustainable Agriculture and Climate Change

Song

Singh

et al. 2020

Plants

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“…Water scarcity is one of the most crucial abiotic stresses for plants in the dynamic era of climate change. A number of studies have mentioned that water deficit is more harmful than other abiotic stresses (Chen et al, 2017;Verma et al, 2019a;Li et al, 2019;Raza et al, 2019;Verma et al, 2020). Under limited or highly variable water, plants have developed various mechanisms of resistance to water deficit by reduction of the plant life cycle (Mitra, 2001;Cia et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

“…Low soil water capacity in the dry season is one of the most important limitations to photosynthesis and consequently to Saccharum officinarum production (Chen et al, 2011;Verma et al, 2019a). Under limited water conditions, disturbances in photosynthetic apparatus at the molecular and cellular levels are associated with low electron transport through photosystem II (PS II) and/or with structural damages of PS II and the light harvesting complexes (Hura et al, 2007;Wu et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Developing mathematical model for diurnal dynamics of photosynthesis in Saccharum officinarum responsive to different irrigation and silicon application

Verma

et al. 2020

PeerJ

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In the dynamic era of climate change, agricultural farming systems are facing various unprecedented problems worldwide. Drought stress is one of the serious abiotic stresses that hinder the growth potential and crop productivity. Silicon (Si) can improve crop yield by enhancing the efficiency of inputs and reducing relevant losses. As a quasi-essential element and the 2nd most abundant element in the Earth’s crust, Si is utilized by plants and applied exogenously to combat drought stress and improve plant performance by increasing physiological, cellular and molecular responses. However, the physiological mechanisms that respond to water stress are still not well defined in Saccharum officinarum plants. To the best of our knowledge, the dynamics of photosynthesis responsive to different exogenous Si levels in Saccharum officinarum has not been reported to date. The current experiment was carried out to assess the protective role of Si in plant growth and photosynthetic responses in Saccharum officinarum under water stress conditions. Saccharum officinarum cv. ‘GT 42’ plants were subjected to drought stress conditions (80–75%, 55–50% and 35–30% of soil moisture) after ten weeks of normal growth, followed by the soil irrigation of Si (0, 100, 300 and 500 mg L−1) for 8 weeks. The results indicated that Si addition mitigated the inhibition in Saccharum officinarum growth and photosynthesis, and improved biomass accumulation during water stress. The photosynthetic responses (photosynthesis, transpiration and stomatal conductance) were found down-regulated under water stress, and it was significantly enhanced by Si application. No phytotoxic effects were monitored even at excess (500 mg L−1). Soil irrigation of 300 mg L−1 of Si was more effective as 100 and 500 mg L−1 under water stress condition. It is concluded that the stress in Saccharum officinarum plants applied with Si was alleviated by improving plant fitness, photosynthetic capacity and biomass accumulation as compared with the control. Thus, this study offers new information towards the assessment of growth, biomass accumulation and physiological changes related to water stress with Si application in plants.

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Salt Stress Toxicity Amelioration by Phytohormones, Synthetic Product, and Nutrient Amendment Practices

Gupta

Singh

Tiwari

et al. 2021

Physiology of Salt Stress in Plants

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The Impact of Silicon on Photosynthetic and Biochemical Responses of Sugarcane under Different Soil Moisture Levels

Cited by 79 publications

References 59 publications

Interactive Role of Silicon and Plant–Rhizobacteria Mitigating Abiotic Stresses: A New Approach for Sustainable Agriculture and Climate Change

Interactive Role of Silicon and Plant–Rhizobacteria Mitigating Abiotic Stresses: A New Approach for Sustainable Agriculture and Climate Change

Developing mathematical model for diurnal dynamics of photosynthesis in Saccharum officinarum responsive to different irrigation and silicon application

Salt Stress Toxicity Amelioration by Phytohormones, Synthetic Product, and Nutrient Amendment Practices

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