The Role of Silicon in Improving Crop Growth Under Abiotic Stress

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Crop Production".

Deadline for manuscript submissions: 25 May 2025 | Viewed by 1214

Special Issue Editors


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Guest Editor
Citrus Research and Education Center, University of Florida, Lake Alfred, FL 33850, USA
Interests: plant nutrition; beneficial element; stress physiology; silicon use in agriculture
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Guest Editor
Department of Agronomy, Federal University of Mato Grosso do Sul (UFMS), Chapadão do Sul, Brazil
Interests: plant nutrition; silicon; beneficial element; crop yield and quality; environmental stress
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

This Special Issue, titled “The Role of Silicon in Improving Crop Growth Under Abiotic Stress”, critically explores how silicon can bolster crop resilience amidst increasing environmental challenges due to climate changes. Silicon has been recognized for its vital roles in enhancing plant defenses and supporting growth under adverse conditions.

The aim of this Special Issue is to delve into the dynamic role of silicon in improving crop performance under environmental stress. It intends to showcase how silicon can significantly mitigate the effects of abiotic stressors, such as drought, salinity, and extreme temperatures, thereby enhancing plant growth and productivity.

The Special Issue will feature innovative research on the following:

  • New sources of silicon, as well as their optimal concentrations and application methods;
  • The interactions between silicon and plant genes affecting stress resistance;
  • The impact of silicon on plant microbiomes and overall health;
  • The role of silicon in enhancing water use efficiency in arid conditions;
  • The impact of silicon on crop yield and quality, demonstrating how supplementation can improve crop performance.

Contributions are sought in the form of original research, comprehensive reviews, and methodological papers that advance our understanding of silicon’s mechanisms of action in plants and its integration into sustainable farming practices.

Prof. Dr. Jonas Pereira de Souza Junior
Prof. Dr. Cid Naudi Silva Campos
Guest Editors

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Keywords

  • silicon supplementation
  • abiotic stress mitigation
  • crop resilience
  • drought resistance
  • salinity tolerance
  • enhanced fruit quality
  • plant defense mechanisms
  • water use efficiency
  • agricultural sustainability
  • gene–silicon interactions

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Published Papers (1 paper)

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Research

17 pages, 769 KiB  
Article
The Role of Foliar-Applied Silicon in Improving the Growth and Productivity of Early Potatoes
by Wanda Wadas and Tomasz Kondraciuk
Agriculture 2025, 15(5), 556; https://doi.org/10.3390/agriculture15050556 - 5 Mar 2025
Cited by 1 | Viewed by 773
Abstract
Climate change is leading to a decline in global potato production. To ensure food security, it is essential to adapt cultivation practices to the changing climate. The effects of foliar-applied silicon on potato growth and productivity under various hydrothermal conditions were investigated. Potato [...] Read more.
Climate change is leading to a decline in global potato production. To ensure food security, it is essential to adapt cultivation practices to the changing climate. The effects of foliar-applied silicon on potato growth and productivity under various hydrothermal conditions were investigated. Potato plants were treated with three Si-based biostimulants: Actisil (6 g of Si and 20 g of Ca per liter; choline-stabilized orthosilicic acid; Chol-sSa + Ca); Krzemix (6 g of Si per liter; choline-stabilized ammonium metasilicate; Chol-sNH4-Sil); and Optysil (93 g of Si and 24 g of Fe per liter; sodium metasilicate and iron chelate Fe-EDTA; Na-Sil + Fe-EDTA). Biostimulants were foliar-applied twice, at the leaf development stage (BBCH 13–15) and two weeks after the first treatment, at 0.5 L/ha in each treatment. The plants treated with biostimulants were taller and produced greater above-ground biomass and a higher tuber weight than the control plants (without a biostimulant). As a result, the total tuber yield was higher, on average, by 10% to 13% and the marketable tuber yield by 11% to 15%. The plant-growth-promoting and yield-increasing effects of the Si-based biostimulants depended on the hydrothermal conditions during potato growth. Chol-sSA + Ca (Actisil) applications were the most effective. Na-Sil + Fe-EDTA (Optysil) produced better results during a warm and very dry year, while Chol-sNH4-Sil (Krzemix) was effective during colder years with a periodic water deficit. Silicon foliar application can be a new method for increasing early crop potato yields under water shortage conditions. Full article
(This article belongs to the Special Issue The Role of Silicon in Improving Crop Growth Under Abiotic Stress)
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