Exposure to Weathered and Fresh Nanoparticle and Ionic Zn in Soil Promotes Grain Yield and Modulates Nutrient Acquisition in Wheat (Triticum aestivum L.)

AuthorChristian O. Dimkpa
AuthorUpendra Singh
AuthorBindraban, Prem S.
AuthorWade H. Elmer
AuthorJorge L. Gardea-Torresdey
AuthorJason C. White
Date of acession2023-09-11T13:42:28Z
Date of availability2023-09-11T13:42:28Z
Date of issue2018-08-31
AbstractThis study evaluated weathered and fresh ZnO-nanoparticles and Zn-salt effects on nutrient acquisition and redistribution in wheat. Weathered and fresh ZnO-nanoparticles and Zn-salt significantly increased grain yield by 15% and 29%, respectively. Postharvest soil acidification indicated ZnO-nanoparticles dissolved during growth. Zn was significantly bioaccumulated from both Zn types, but with low root-to-shoot bioaccumulation efficiency: 24% and 20% for weathered nanoparticles and salt, and 48% and 30% for fresh nanoparticles and salt. Grain Zn content was increased 186% and 229% by weathered nanoparticles and salt, and 229% and 300% by fresh nanoparticles and salt. Shoot-to-grain translocation efficiency was high: 167% and 177% for weathered nanoparticles and salt, and 209% and 155% for fresh nanoparticles and salt. However, Zincon assay indicated grain Zn does not exist as ions. This study demonstrates that ZnO-nanoparticles and Zn-salt vary in their effects on nutrient acquisition in wheat, with relevance for biofortification of Zn for human nutrition
CitationDimkpa, C.O., U. Singh, P.S. Bindraban, W.H. Elmer, J.L. GardeaTorresdey, and J.C. White. 2018. “Exposure to Weathered and Fresh Nanoparticle and Ionic Zn in Soil Promotes Grain Yield and Modulates Nutrient Acquisition in Wheat (Triticum aestivum L.),” Journal of Agricultural and Food Chemistry, 66:9645-9656.
URLhttps://hub.ifdc.org/handle/20.500.14297/2451
Languageen_US
SubjectBioaccumulation
SubjectDissolution
SubjectTransformation
TitleExposure to Weathered and Fresh Nanoparticle and Ionic Zn in Soil Promotes Grain Yield and Modulates Nutrient Acquisition in Wheat (Triticum aestivum L.)
TypeArticle
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