Morpho-physiological and biochemical response of wheat to various treatments of silicon nano-particles under drought stress conditions

Abstract

Silicon nanoparticles (Si-NPs) have shown their potential for use in farming under water-deficient conditions. Thus, the experiment was accomplished to explore the impacts of seed priming of Si-NPs on wheat (Triticum aestivum L.) growth and yield under different drought levels. The plants were grown in pots under natural ecological environmental conditions and were harvested on 25th of April, 2020. The results revealed that seed priming of Si-NPs (0, 300, 600, and 900 mg/L) suggestively improved, the spike length, grains per spike, 1000 grains weight, plant height, grain yield, and biological yield by 12–42%, 14–54%, 5–49%, 5–41%, 17–62%, and 21–64%, respectively, relative to the control. The Si-NPs improved the leaf gas trade ascribes and chlorophyll a and b concentrations, though decreased the oxidative pressure in leaves which was demonstrated by the diminished electrolyte leakage and upgrade in superoxide dismutase and peroxidase activities in leaf under Si-NPs remedies over the control. The outcomes proposed that Si-NPs could improve the yield of wheat under a dry spell. In this manner, the utilization of Si-NPs by seed priming technique is a practical methodology for controlling the drought stress in wheat. These findings will provide the basis for future research and helpful to improve the food security under drought and heat related challenges.

Study of the genetic variability of durum wheat (Triticum durum Desf.) in the face of combined stress: water and heat

“…A reduction in F v/m by water deficit and high temperature suggests a possible inhibition of PSII photochemistry, which may be due to an inadequate relocation of the energy of the light-harvesting chlorophyll complex towards the reaction centre ( Ahmed et al 2013 ). A minimal decrease in F v/m was observed for Aouija indicating that higher defensive capacity for PSII is a key resistance mechanism for durum wheat landraces, which is in agreement with previous studies for durum wheat accessions under water and heat stress conditions ( Marček et al 2019 ; Doneva et al 2021 ; Chaouachi et al 2023 ; Raza et al 2023 ). For the parameters reported in this work, Aouija is more tolerant to abiotic stress and could be an opportunity for breeding programs.…”

Recent advances in nano-fertilizers: synthesis, crop yield impact, and economic analysis

“…The results show that applying Se NPs improves basil plants’ tolerance to water stress, increasing dry matter yields and the quantity and quality of their essential oil. In addition, Raza et al 232 Seed priming with Si-NPs improves wheat growth and reduces water stress under drought conditions. The study conducted by Zahedi et al 233 investigated the impact of silicon (Si), in the form of SiO 2 and SiO 2 NPs, on alleviating the adverse effects of drought stress on strawberry plants.…”

Nanopriming and AI for Sustainable Agriculture: Boosting Seed Germination and Seedling Growth with Engineered Nanomaterials, and Smart Monitoring through Deep Learning

“…Additionally, ENMs exhibit high adsorption, a large number of reactive sites, elevated catalytic activity, and high chemical stability . These characteristics render ENMs a promising strategy for enhancing plant growth and productivity. , Moreover, they have the potential to improve crop stress tolerance, enhance plants’ nutritional absorption, and provide protection against both biotic and abiotic stress factors. − …”