Summary
This pot experiment evaluated zinc oxide nanoparticles as a potential alternative to conventional zinc fertiliser for wheat production under saline conditions. The application of 0.12 g pot⁻¹ ZnO nanoparticles significantly enhanced multiple agronomic traits and grain yield (42.2% increase) compared to control under salt stress, and outperformed conventional zinc fertiliser, suggesting potential utility for salt-affected soils in developing countries.
Regional applicability
The study was conducted in Pakistan and addresses salt stress mitigation, a concern in arid and semi-arid regions. While United Kingdom farming does not typically face comparable salinity challenges, the nanotechnology approach to micronutrient delivery and the mechanisms of zinc action under abiotic stress may inform research on stress resilience and nutrient bioavailability in UK cereals, particularly in light of climate variability.
Key measures
Chlorophyll A and B contents (%), plant height at vegetative and maturity stages (%), shoot and spike lengths (%), root fresh and dry weights (%), wheat grain yield (%)
Outcomes reported
The study measured the effects of zinc oxide nanoparticles on wheat growth parameters, chlorophyll contents, and grain yield under artificially induced salt stress (10 dS m⁻¹ salinity). Key outcomes included changes in plant height, shoot and spike lengths, root biomass, chlorophyll A and B contents, and overall wheat grain yield.
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