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Zinc Absorption through Leaves and Subsequent Translocation to the Grains of Bread Wheat after Foliar Spray

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  • Atif Kamran

    (Agricultral, Food and Nutritional Science, University of Alberta, Edmonton, AB T6G 2R3, Canada
    Institute of Botany, Faculty of Life Sciences, University of the Punjab, Lahore P.O. Box 54590, Pakistan)

  • Munazza Ghazanfar

    (Institute of Botany, Faculty of Life Sciences, University of the Punjab, Lahore P.O. Box 54590, Pakistan)

  • Jan Sher Khan

    (Institute of Botany, Faculty of Life Sciences, University of the Punjab, Lahore P.O. Box 54590, Pakistan)

  • Sana Pervaiz

    (Institute of Botany, Faculty of Life Sciences, University of the Punjab, Lahore P.O. Box 54590, Pakistan)

  • Manzer H. Siddiqui

    (Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia)

  • Saud Alamri

    (Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia)

Abstract

Agronomic biofortification could possibly be a promising strategy to overcome zinc (Zn) deficiency in wheat; however, the cultivar’s response to foliar applications is enigmatic when it comes to the relative efficiency of Zn absorption and accumulation. To decipher that enigmatic response, this study was designed with the objectives (i) to track the amount of Zn absorbed through leaves after foliar application, (ii) to calculate the amount of the absorbed Zn actually translocated and stored in the grains, and (iii) to calculate the relative efficiency of the high yielding cultivars in terms of their Zn absorption and translocation. The results reveal that 0.90% of the zinc sprayed was absorbed through leaves, and 43% of the absorbed Zn was translocated to the grains. The cultivars significantly varied for their Zn absorption (0.71–1.07%) and subsequent translocation of the absorbed Zn (23–66%). Foliar zinc treatment also improved growth attributes such as leaf area, height, spikelet per spike, number of grains per spike, grain yield, leaf and grain Zn content, and grain protein content. These findings suggest a need for cautious parent selection in devising the breeding strategies intended for biofortification.

Suggested Citation

  • Atif Kamran & Munazza Ghazanfar & Jan Sher Khan & Sana Pervaiz & Manzer H. Siddiqui & Saud Alamri, 2023. "Zinc Absorption through Leaves and Subsequent Translocation to the Grains of Bread Wheat after Foliar Spray," Agriculture, MDPI, vol. 13(9), pages 1-13, September.
    • Handle: RePEc:gam:jagris:v:13:y:2023:i:9:p:1775-:d:1235227
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    References listed on IDEAS

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    1. Putnam, Judy & Allshouse, Jane & Kantor, Linda Scott, 2002. "U.S. Per Capita Food Supply Trends: More Calories, Refined Carbohydrates, and Fats," Food Review/ National Food Review, United States Department of Agriculture, Economic Research Service, vol. 25(3), pages 1-14.
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