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Abstract <p>This investigation aims to evaluate the potency of boric acid (BA) in extending the postharvest longevity of <i>Antirrhinum majus</i> L. flower spikes by ameliorating their postharvest attributes. Flower spikes, harvested with at least two buds at day before anthesis stage, were exposed to 100, 200 and 300 µM BA concentrations, with a control group preserved in distilled water. The 200 µM BA treatment emerged as the most potent, in delaying senescence and extending the postharvest lifespan of the spikes to 15 days, compared to 8&#xa0;days in control. This enhanced vase life due to BA treatment is attributed to reduced bacterial growth, enhanced solution uptake and augmented membrane stability. Additionally, the application of BA significantly boosted the activity of antioxidant enzymes and lowered lipoxygenase activity, effectively reducing oxidative stress in the floral tissues. The treated spikes also showed higher levels of soluble proteins, total phenolics and sugar fractions compared to the control. This research delineates the multifaceted role of BA in retarding postharvest senescence and emphasizes the varying impacts of different BA concentrations on the vitality and longevity of harvested <i>A. majus</i> spikes.</p>

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Boric Acid as a Pioneering Ethylene Antagonist in Mitigating Postharvest Senescence of Antirrhinum majus L.: A Sustainable Strategy to Enhance Longevity

  • 期刊论文

  • 发表日期：

    2026年6月29日

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  • S. Farooq,
  • M. L. Lone,
  • A. ul Haq,
  • F. Altaf,
  • S. Parveen,
  • W. W. Tantray,
  • I. Tahir

摘要

Abstract

This investigation aims to evaluate the potency of boric acid (BA) in extending the postharvest longevity of Antirrhinum majus L. flower spikes by ameliorating their postharvest attributes. Flower spikes, harvested with at least two buds at day before anthesis stage, were exposed to 100, 200 and 300 µM BA concentrations, with a control group preserved in distilled water. The 200 µM BA treatment emerged as the most potent, in delaying senescence and extending the postharvest lifespan of the spikes to 15 days, compared to 8 days in control. This enhanced vase life due to BA treatment is attributed to reduced bacterial growth, enhanced solution uptake and augmented membrane stability. Additionally, the application of BA significantly boosted the activity of antioxidant enzymes and lowered lipoxygenase activity, effectively reducing oxidative stress in the floral tissues. The treated spikes also showed higher levels of soluble proteins, total phenolics and sugar fractions compared to the control. This research delineates the multifaceted role of BA in retarding postharvest senescence and emphasizes the varying impacts of different BA concentrations on the vitality and longevity of harvested A. majus spikes.