Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Zinc oxide nanoparticles alleviate drought-induced alterations in sorghum performance, nutrient acquisition, and grain fortification

Christian O. Dimkpa, Upendra Singh, P.S. Bindraban, Wade H. Elmer, Jorge L. Gardea‐Torresdey, Jason C. White

The Science of The Total Environment · 2019

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Summary

This 2019 peer-reviewed study examined whether zinc oxide nanoparticles can reduce drought-induced stress in sorghum and simultaneously enhance grain micronutrient density. The work bridges climate resilience and nutritional biofortification in a cereal crop under water-limited conditions. The findings, if confirmed, suggest a dual benefit: improved crop performance under drought and potential grain enrichment, relevant to food security in water-stressed regions.

UK applicability

Direct applicability to UK farming is limited, as sorghum is not a major UK cereal crop and UK rainfall patterns differ substantially from drought-prone regions. However, the mechanistic insights on nanoparticle-mediated stress resilience and micronutrient translocation may inform future crop breeding or agronomic interventions for resilience under extreme weather.

Key measures

Plant dry biomass, grain yield, nutrient acquisition (zinc, iron, and other minerals), grain zinc concentration, drought-stress indicators (as suggested by title)

Outcomes reported

The study investigated how zinc oxide nanoparticles (ZnO-NPs) affect sorghum growth, nutrient uptake, and grain zinc concentration under drought conditions. It measured physiological performance, mineral nutrient acquisition, and grain fortification outcomes.

Theme
Climate & resilience
Subject
Micronutrient biofortification
Study type
Research
Study design
Field trial
Source type
Peer-reviewed study
Status
Published
System type
Arable cereals
DOI
10.1016/j.scitotenv.2019.06.392
Catalogue ID
SNmp4zklml-qc9oz7

Topic tags

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