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<p>Wheat (<i>Triticum aestivum</i> L.) grain is usually deficient in mineral zinc (Zn) which is also an important soil micronutrient. The sustainable way to improve the grain Zn contents without compromising yield is to combine plant breeding techniques with agronomic biofortification. Therefore, the major objective of this study was to characterize the response of diverse wheat genotypes to foliar applied of zinc sulphate in terms of yield, and Zn storage in grain and straw and their bioavailability. The experimental factors include 13 wheat genotypes factorially combined with three levels of foliar applied Zn (i.e., 0, 0.4% and 0.6%). Analyses of variance depicted that zinc sulphate and genotypes significantly (p &lt; 0.05) improved grain and biological yield, grain and straw Zn contents, grain Zn bioavailability, and interaction of zinc sulphate with genotypes was also significant (p &lt; 0.05) for all the studied traits. For grain yield and biological yield Galaxy-13, Ujala, and Punjab-11 performed best in both years at 0.6% Zn treatment, and it was statistically at par with Galaxy-13 at 0.4% Zn treatment. For biofortification-related traits Zincol and Akbar-19 performed best with 0.6% foliar applied zinc sulphate. Regression analysis revealed a moderate to strong association of grain Zn contents with grain yield and Zn bioavailability. Due to variation in association of grain yield and grain Zn biofortification for different genotypes, it is therefore suggested to select/breed genotypes with strong association of grain yield and grain Zn contents to improve yield and Zn biofortification simultaneously.</p>

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Interactive Effect of Genotype and Zinc Sulphate Improves Productivity and Grain Biofortification of Bread Wheat in Alkaline Soils

  • 期刊论文

  • 发表日期：

    2025年5月6日

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  • Sami Ul-Allah,
  • Farrukh Azeem,
  • Ahad Madani,
  • Ahmad Sher,
  • Abdul Sattar,
  • Muhammad Ijaz,
  • Mojtaba Hassanzadehdelouei,
  • Asad Azeem,
  • Waqas Malik

摘要

Wheat (Triticum aestivum L.) grain is usually deficient in mineral zinc (Zn) which is also an important soil micronutrient. The sustainable way to improve the grain Zn contents without compromising yield is to combine plant breeding techniques with agronomic biofortification. Therefore, the major objective of this study was to characterize the response of diverse wheat genotypes to foliar applied of zinc sulphate in terms of yield, and Zn storage in grain and straw and their bioavailability. The experimental factors include 13 wheat genotypes factorially combined with three levels of foliar applied Zn (i.e., 0, 0.4% and 0.6%). Analyses of variance depicted that zinc sulphate and genotypes significantly (p < 0.05) improved grain and biological yield, grain and straw Zn contents, grain Zn bioavailability, and interaction of zinc sulphate with genotypes was also significant (p < 0.05) for all the studied traits. For grain yield and biological yield Galaxy-13, Ujala, and Punjab-11 performed best in both years at 0.6% Zn treatment, and it was statistically at par with Galaxy-13 at 0.4% Zn treatment. For biofortification-related traits Zincol and Akbar-19 performed best with 0.6% foliar applied zinc sulphate. Regression analysis revealed a moderate to strong association of grain Zn contents with grain yield and Zn bioavailability. Due to variation in association of grain yield and grain Zn biofortification for different genotypes, it is therefore suggested to select/breed genotypes with strong association of grain yield and grain Zn contents to improve yield and Zn biofortification simultaneously.