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<p>Water deficiency critically limits the productivity of cereal crops, especially wheat (Triticum aestivum L.). Current study aims to investigates the role of Gibberellic acid and perlite-biochar in helping wheat plants to withstand water deficiency.&#xa0;The experiment was conducted on wheat at the Seed Center, University of Punjab, Lahore, using a completely randomized design with three replicates. Treatments comprised of control, 80% water holding capacity (WHC), 40% WHC, 80% WHC + 0.1% GA4 + 7, 40% WHC + 0.1%GA4 + 7, 80% WHC + Biochar, 40% WHC + Biochar, 80% WHC + 0.1% GA4 + 7+ Biochar, and 40% WHC + 0.1% GA4 + 7 + Biochar.&#xa0;It was observed that lower WHC reduced plant growth and yield and increased antioxidant production. But the treatment 80% WHC + 0.1% GA4 + 7+ Biochar showed improved plant height (58.57%), increased shoot and root fresh and dry weight (1.1 folds, 1.8 folds, 62.3% and 1.3 folds respectively), chlorophyll content (8.18%) and protein contents (6.4%). On the other hand, the antioxidants were reduced (CAT = 40.7%, POD = 35.64% and SOD = 27.4%) in plants treated with 80% WHC + 0.1% GA4 + 7+ Biochar.&#xa0;The study suggests that gibberellic acid helps to maintain higher levels of photosynthetic activity under water-deficient conditions, supporting better growth and yield of wheat. Whereas the combined application of gibberellic acid and perlite-biochar led to notable improvements in wheat morphological, physiological, biochemical and yield parameters. This research highlights the need for innovative practices like gibberellic acid foliar application and biochar soil amendment to develop adaptive cropping strategies for climatic resilience.</p> Graphical Abstract <p></p>

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Effect of Gibberellic Acid and Perlite-Biochar to Combat Water Deficiency in Wheat (Triticum aestivum L.)

  • 期刊论文

  • 发表日期：

    2026年1月29日

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  • Huma Fatima,
  • Atif Kamran,
  • Summera Jahan,
  • Lubaba Komal

摘要

Water deficiency critically limits the productivity of cereal crops, especially wheat (Triticum aestivum L.). Current study aims to investigates the role of Gibberellic acid and perlite-biochar in helping wheat plants to withstand water deficiency. The experiment was conducted on wheat at the Seed Center, University of Punjab, Lahore, using a completely randomized design with three replicates. Treatments comprised of control, 80% water holding capacity (WHC), 40% WHC, 80% WHC + 0.1% GA4 + 7, 40% WHC + 0.1%GA4 + 7, 80% WHC + Biochar, 40% WHC + Biochar, 80% WHC + 0.1% GA4 + 7+ Biochar, and 40% WHC + 0.1% GA4 + 7 + Biochar. It was observed that lower WHC reduced plant growth and yield and increased antioxidant production. But the treatment 80% WHC + 0.1% GA4 + 7+ Biochar showed improved plant height (58.57%), increased shoot and root fresh and dry weight (1.1 folds, 1.8 folds, 62.3% and 1.3 folds respectively), chlorophyll content (8.18%) and protein contents (6.4%). On the other hand, the antioxidants were reduced (CAT = 40.7%, POD = 35.64% and SOD = 27.4%) in plants treated with 80% WHC + 0.1% GA4 + 7+ Biochar. The study suggests that gibberellic acid helps to maintain higher levels of photosynthetic activity under water-deficient conditions, supporting better growth and yield of wheat. Whereas the combined application of gibberellic acid and perlite-biochar led to notable improvements in wheat morphological, physiological, biochemical and yield parameters. This research highlights the need for innovative practices like gibberellic acid foliar application and biochar soil amendment to develop adaptive cropping strategies for climatic resilience.

Graphical Abstract