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<p>Nanoparticles are revolutionising the agriculture sector and offering new hope for boosting crop production. Utilising nanoparticles in agriculture reduce the chemical fertiliser and mineral loss. This study investigated the impact of functionalized zinc oxide nanoparticles (ZnO NPs) on rice (<i>Oryza sativa</i> L.) seedling. The synthesise of NPs was carried out chemically and functionalized by Indole-3-acetic acid (IAA) and salicylic acid (SA). The functionalized NPs were characterized by Uv–vis spectroscopy, FT-IR spectroscopy, DLS, XRD, TEM and SEM. This research looked into the possible functions of ZnO, IAA-ZnO and SA-ZnO-nano priming (5, 10, 15 and 20&#xa0;ppm) in the improvement of seed germination and seedling health. The findings of this investigation demonstrated that the synthesized ZnO NPs were good quality and successfully functionalized with SA and IAA. Moreover, it was discovered that adding these ZnO-NPs to rice seed improved the germination of the seeds as well as the length of the roots and shoots and the fresh and dry weight of the seedlings, activity of amylase and antioxidative enzymes. However, functionalized-ZnO NPs offered greater efficiency than bare ZnO NPs in boosting the seedling growth. Therefore, ZnO NPs used in an appropriate concentration could help to improve crop production.</p>

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Indole-3-acetic acid and salicylic acid functionalized zinc oxide nanoparticles modulate physiological and biochemical responses in rice (Oryza sativa L.)

  • 期刊论文

  • 发表日期：

    2026年3月19日

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  • Runa Rahman,
  • Saurabh Jyoti Hazarika,
  • Swati Nawami Aideo,
  • Karabi Barman,
  • Manabendra Nath,
  • Bhaben Tanti,
  • Sanjib Kumar Panda,
  • Hrishikesh Upadhyaya

摘要

Nanoparticles are revolutionising the agriculture sector and offering new hope for boosting crop production. Utilising nanoparticles in agriculture reduce the chemical fertiliser and mineral loss. This study investigated the impact of functionalized zinc oxide nanoparticles (ZnO NPs) on rice (Oryza sativa L.) seedling. The synthesise of NPs was carried out chemically and functionalized by Indole-3-acetic acid (IAA) and salicylic acid (SA). The functionalized NPs were characterized by Uv–vis spectroscopy, FT-IR spectroscopy, DLS, XRD, TEM and SEM. This research looked into the possible functions of ZnO, IAA-ZnO and SA-ZnO-nano priming (5, 10, 15 and 20 ppm) in the improvement of seed germination and seedling health. The findings of this investigation demonstrated that the synthesized ZnO NPs were good quality and successfully functionalized with SA and IAA. Moreover, it was discovered that adding these ZnO-NPs to rice seed improved the germination of the seeds as well as the length of the roots and shoots and the fresh and dry weight of the seedlings, activity of amylase and antioxidative enzymes. However, functionalized-ZnO NPs offered greater efficiency than bare ZnO NPs in boosting the seedling growth. Therefore, ZnO NPs used in an appropriate concentration could help to improve crop production.