Interaction Between Silicon and Arbuscular Mycorrhizal Symbiosis: an Ecologically Sustainable Tool to Improve Crop Fitness Under a Drought Scenario?

Vega, Isis; Pontigo, Sofía; Nunes‐Nesi, Adriano; Mora, María de la Luz; Meier, Sebastián; Cartes, Paula

doi:10.1007/s42729-021-00701-y

Cited by 7 publications

(4 citation statements)

References 118 publications

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“…This high concentration of Si plays a useful and effective role in drought tolerance. The uptake of P by plants can be increased by the effect of exogenous Si, according to previous studies on crops (90)(91)(92). The available literature suggests that having a combination of Si and microbe treatments can effectively increase plant growth and nutrition.…”

Section: Discussionmentioning

confidence: 86%

Mycorrhiza and Silicon Influence Glycyrrhiza glabra L. under Water-deficit; Antioxidant Activity, Medicinal Metabolites and Mineralogical Analysis

Haghighi

Saharkhiz

Zareị

2022

Preprint

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Background:Exogenous application of silicon (Si) and arbuscular mycorrhizal fungi (AMF) can help plants cope with drought stress. An experiment was designed with two Si solute levels in irrigation water (i.e. 0 (Si0) and 300 mg/L (Si1)), two levels of AMF inoculation (i.e. inoculation with Claroiedoglomus etunicatum (F1) and without inoculation (F0)), and five soil moisture regimes (i.e. 100, 80, 60, 40 and 20% of field capacity (FC). After two months, the licorice roots were harvested and analyzed.ResultsUnder water deficit conditions, there were significant decreases in root length and dry weight (DW) (p < 0.05), compared to the control. Si and AMF could significantly (p < 0.05) enhanced root area (47.75-150.64 cm2) under all irrigation levels. The maximum glycyrrhizic acid (26.62 mg/g DW) was achieved by the interaction between Si and AMF in response to 40% FC. A reduction in total flavonoids and phenolics of licorice was observed under severe drought levels; however, the Si and AMF acted to increase sinapic acid (16.46 mg/g DW), and trans ferulic acid (1.11 mg/g DW) in roots. The results indicated that the interaction between Si and AMF positively affected nitrogen and phosphorous concentrations in roots (53.51 and 74.07%, respectively). Also, there was an increase in potassium concentration in response to 100, 80, and 40% FC among Si-treated plants (38.5–44.7%).ConclusionIn conclusion, the exogenous application of Si and AMF showed a synergistic impact on the ability to mitigate the adverse effects of drought stress by improving plant growth and enhancing metabolite accumulation in licorice.

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Section: Discussionmentioning

confidence: 86%

Mycorrhiza and Silicon Influence Glycyrrhiza glabra L. under Water-deficit; Antioxidant Activity, Medicinal Metabolites and Mineralogical Analysis

Haghighi

Saharkhiz

Zareị

2022

Preprint

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“…Silicon increases AMF sensitivity, allowing for more colonisation (Hajiboland et al 2018) and improved Si absorption efficiency (Ju et al 2021). Their synergistic effect is evident from studies in various crops under waterdeficit stress (Das, Basar et al 2021;Vega et al 2021;Movahhed Haghighi and Saharkhiz 2022). It would be worthwhile to investigate the role of Si-mediated new roots in mutualistic fungi colonisation and their implication for drought tolerance.…”

Section: Si Interaction At Root-soil Interphasementioning

confidence: 99%

“…2021; Vega et al. 2021; Movahhed Haghighi and Saharkhiz 2022). It would be worthwhile to investigate the role of Si‐mediated new roots in mutualistic fungi colonisation and their implication for drought tolerance.…”

Section: Si Interaction At Root–soil Interphasementioning

confidence: 99%

Silicon‐Mediated Drought Tolerance: An Enigmatic Perspective in the Root–Soil Interphase

Bardhan,

Gayan,

Padukkage

et al. 2024

J Agronomy Crop Science

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Drought is one of the major yield‐limiting factors under climatic adversaries. The positive role of silicon (Si) in drought tolerance of plants has unfolded a new avenue for enhancing crop productivity through better Si use efficiency. It is hence interesting to understand the mechanistic insights pertaining to its beneficial roles under drought stress conditions. Higher plants sense drought stress via roots which, regulate aboveground plant growth under stress. Cellular and molecular modulations occurring at the root and soil interphases influence the survival and growth of plants under drought stress; therefore, it is intriguing to know how Si influences the soil–root interphase and how this interaction augments overall plant growth under drought. In this review, we summarised the roles of Si in the root systems, rhizosphere and their interactions that could improve plant's growth and development under drought conditions. We have discussed the direct and indirect effects of Si‐induced belowground changes on plant roots, soil physical, chemical and biological properties, and their mutual interactions in eliciting defence signalling, including hormone signalling pathways. A mechanistic model of Si‐induced beneficial effects in water‐limited environments is suggested, which could help improve the management of rainfed croplands through Si fertilisation.

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“…It has been reported that the application of AMF improved growth and physiological parameters through rising the activities of antioxidant enzymes and reduction of the oxidative damage caused by the salt stress on Stevia rebaudiana (Janah et al, 2021). Vega et al (2021) reported that the combined use of sustainable tools such as Si fertilization and AMF could be suggested as a promising strategy to overcome the negative effects produced by water de ciency-related stress.…”

Section: Introductionmentioning

confidence: 99%

Quantification of the ecophysiological advantages of mycorrhiza-maize symbiosis: A promising approach for sustainable food production systems

Jahan

Mahallati

2022

Preprint

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Purpose Plant-Soil – “Arbuscular Mycorrhizal Fungi (AMF)” system dynamics are driven by complex arrays of simultaneous cause-effect relationships. Understanding this complexity requires high sophisticated analytical tools and methods such as Structural Equation Modeling (SEM). There has been no practical solution to determine plant-fungus coexistence efficacy. Therefore, the objective of this study is to find a multidisciplinary method to determine the contribution of AMF in coexistence with maize plant. Methods Confirmatory factor analysis divided the variables into two groups. On the ecophysiological basis, SEM was employed to above- and belowground relationships in corn-mycorrhizae fields. A SEM model was formulated including the path for cause-effect processes of capture and utilization of resources. The model was satisfactorily calibrated and validated. Results Applying multiple regression revealed that variables including leaf area index, stem diameter, dry matter, SPAD readings, plant height, canopy temperature have had the most causal effect to forming corn yield under field condition of inoculation by AMF. RMSEA = 0.14 and normalized chi-square = 1.97 indicated the model competence. The direct advantages of AMF symbiosis make an increase of 35 percent in resources capture (radiation and from the soil) by association. Conclusions These results could be used to manage crop producing systems according to ecological guidelines and environmentally sound operations. We recommend SEM as a crop-soil-AMF system quantifying tool for analyzing treatment effects also for complex arrays of management objectives. The method can employ to determine the efficacy of crop-AMF coexistence which in turn reveal related advantageous may resulted in widespread applying AMF in agroecosystems.

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Interaction Between Silicon and Arbuscular Mycorrhizal Symbiosis: an Ecologically Sustainable Tool to Improve Crop Fitness Under a Drought Scenario?

Cited by 7 publications

References 118 publications

Mycorrhiza and Silicon Influence Glycyrrhiza glabra L. under Water-deficit; Antioxidant Activity, Medicinal Metabolites and Mineralogical Analysis

Mycorrhiza and Silicon Influence Glycyrrhiza glabra L. under Water-deficit; Antioxidant Activity, Medicinal Metabolites and Mineralogical Analysis

Silicon‐Mediated Drought Tolerance: An Enigmatic Perspective in the Root–Soil Interphase

Quantification of the ecophysiological advantages of mycorrhiza-maize symbiosis: A promising approach for sustainable food production systems

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