Silicon, a quasi-essential element : Availability in soil, fertilizer regime, optimum dosage, and uptake in plants

Copyright © 2024 Elsevier Masson SAS. All rights reserved.

Bibliographische Detailangaben
Veröffentlicht in:Plant physiology and biochemistry : PPB. - 1991. - 208(2024) vom: 15. März, Seite 108459
1. Verfasser: Thakral, Vandana (VerfasserIn)
Weitere Verfasser: Raturi, Gaurav, Sudhakaran, Sreeja, Mandlik, Rushil, Sharma, Yogesh, Shivaraj, S M, Tripathi, Durgesh Kumar, Sonah, Humira, Deshmukh, Rupesh
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2024
Zugriff auf das übergeordnete Werk:Plant physiology and biochemistry : PPB
Schlagworte:Journal Article Review Availability Essentiality Fertilizer regimes Molecular pathways Silicon Stress tolerance Fertilizers Z4152N8IUI mehr... Soil Minerals
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520 |a The essentiality of silicon (Si) has always been a matter of debate as it is not considered crucial for the lifecycles of most plants. But beneficial effects of endogenous Si and its supplementation have been observed in many plants. Silicon plays a pivotal role in alleviating the biotic and abiotic stress in plants by acting as a physical barrier as well as affecting molecular pathways involved in stress tolerance, thus widely considered as "quasi-essential". In soil, most of Si is found in complex forms as mineral silicates which is not available for plant uptake. Monosilicic acid [Si(OH)4] is the only plant-available form of silicon (PAS) present in the soil. The ability of a plant to uptake Si is positively correlated with the PAS concentration of the soil. Since many cultivated soils often lack a sufficient amount of PAS, it has become common practice to supplement Si through the use of Si-based fertilizers in various crop cultivation systems. This review outlines the use of natural and chemical sources of Si as fertilizer, different regimes of Si fertilization, and conclude by identifying the optimum concentration of Si required to observe the beneficial effects in plants. Also, the different mathematical models defining the mineral dynamics for Si uptake at whole plant scale considering various natural factors like plant morphology, mineral distribution, and transporter expression have been discussed. Information provided here will further help in increasing understanding of Si role and thereby facilitate efficient exploration of the element as a fertilizer in crop production 
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650 4 |a Review 
650 4 |a Availability 
650 4 |a Essentiality 
650 4 |a Fertilizer regimes 
650 4 |a Molecular pathways 
650 4 |a Silicon 
650 4 |a Stress tolerance 
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650 7 |a Silicon  |2 NLM 
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650 7 |a Minerals  |2 NLM 
700 1 |a Raturi, Gaurav  |e verfasserin  |4 aut 
700 1 |a Sudhakaran, Sreeja  |e verfasserin  |4 aut 
700 1 |a Mandlik, Rushil  |e verfasserin  |4 aut 
700 1 |a Sharma, Yogesh  |e verfasserin  |4 aut 
700 1 |a Shivaraj, S M  |e verfasserin  |4 aut 
700 1 |a Tripathi, Durgesh Kumar  |e verfasserin  |4 aut 
700 1 |a Sonah, Humira  |e verfasserin  |4 aut 
700 1 |a Deshmukh, Rupesh  |e verfasserin  |4 aut 
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