Spraying high concentrations of chelated zinc enhances zinc biofortification in wheat grain

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cg.authorship.typesNot CGIAR developing country institute
cg.contributor.affiliationZhejiang University
cg.contributor.affiliationZhejiang Academy of Agricultural Sciences
cg.contributor.donorNational Natural Science Foundation of China
cg.howPublishedFormally Published
cg.identifier.doihttps://doi.org/10.1002/jsfa.11705
cg.identifier.projectIFPRI - HarvestPlus
cg.identifier.publicationRankA
cg.isijournalISI Journal
cg.issn1097-0010
cg.issue9
cg.journalJournal of the Science of Food and Agriculture
cg.reviewStatusPeer Review
cg.subject.impactAreaNutrition, health and food security
cg.volume102
dc.contributor.authorXu, Meng
dc.contributor.authorLiu, Mengjiao
dc.contributor.authorSi, Linlin
dc.contributor.authorMa, Qingxu
dc.contributor.authorSun, Tao
dc.contributor.authorWang, Jun
dc.contributor.authorChen, Kaijun
dc.contributor.authorWang, Xiangjie
dc.contributor.authorWu, Lianghuan
dc.date.accessioned2025-07-09T20:04:53Z
dc.date.available2025-07-09T20:04:53Z
dc.identifier.urihttps://hdl.handle.net/10568/175579
dc.titleSpraying high concentrations of chelated zinc enhances zinc biofortification in wheat grainen
dcterms.abstractBACKGROUND Foliar application of highly concentrated ZnSO4 fertilizer improves Zn biofortification in wheat grains. However, excess ZnSO4·7H2O concentration (≥5 g kg−1, w v−1) has been associated with leaf burn and yield loss, necessitating Zn sources with a high threshold concentration. The aim of this study, based on a 2 year field experiment conducted on wheat cultivated in acidic and alkaline soil, was to identify a suitable Zn formulation with a high Zn concentration or efficient adjuvant to achieve optimal Zn biofortification levels without compromising agronomic performance. RESULTS There was a continued increase in the Zn concentration in wheat grains and a decrease in grain yield with an increase in the concentration of the Zn foliar sprays in both soil types examined. Wheats treated with chelated Zn foliar sprays – Zn glycine chelate (ZnGly) and Zn-ethylenediaminetetraacetic acid (ZnEDTA) – had less foliar injury than those treated with unchelated Zn fertilizers. Furthermore, irrespective of wheat cultivars and soil types, ZnEDTA applied to wheat at a concentration of 10 g kg−1 achieved the highest grain Zn concentration without negatively affecting the wheat performance. Adjuvant type and concentration caused no significant variation in grain Zn concentration. CONCLUSION Overall, without foliar burn, wheat treated with 10 g kg−1 ZnEDTA foliar spray had the best performance with regard to grain Zn concentration and grain yield, which could have considerable implications for Zn biofortification of wheat grain. © 2021 Society of Chemical Industry.en
dcterms.accessRightsLimited Access
dcterms.audienceScientists
dcterms.available2021-12-04
dcterms.bibliographicCitationXu, Meng; Liu, Mengjiao; Si, Linlin; Ma, Qingxu; Sun, Tao; Wang, Jun; et al. 2022. Spraying high concentrations of chelated zinc enhances zinc biofortification in wheat grain. Journal of the Science of Food and Agriculture 102(9): 3590-3598. https://doi.org/10.1002/jsfa.11705
dcterms.extentp. 3590-3598
dcterms.issued2022-07
dcterms.languageen
dcterms.licenseCopyrighted; all rights reserved
dcterms.publisherSociety of Chemical Industry
dcterms.subjectzinc
dcterms.subjectbiofortification
dcterms.subjectwheat
dcterms.subjectagriculture
dcterms.subjectfoliar application
dcterms.subjecttrace elements
dcterms.subjectagronomy
dcterms.typeJournal Article

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