Summary
Background: Biofortification of wheat with zinc (Zn) through breeding and agronomy can reduce Zn deficiencies and improve human health. ‘High-Zn’ wheat varieties have been released in India and Pakistan, where wheat is consumed widely as a dietary staple. The aim of this study was to quantify the potential contribution of a ‘high-Zn’ wheat variety (Triticum aestivum L. var. Zincol-2016) and Zn fertilisers to improving dietary Zn supply under field conditions in Pakistan. Methods: Grain Zn concentration of Zincol-2016 and local reference varieties were determined at three sites of contrasting soil Zn status: Faisalabad (Punjab Province; diethylenetriamine pentaacetate- (DTPA-)extractable Zn, 1.31 mg kg-1 soil; gross plot size 13.3 m2; n=4; reference var. Faisalabad-2008), Islamabad (Capital
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