Harnessing the Eco-Friendly Potential of Asparagus racemosus Leaf Extract Fabricated Ni/Ni(OH)2 Nanoparticles for Sustainable Seed Germination and Seedling Growth of Vigna radiata

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The increasing utilization of nanoparticles (NPs) in agricultural practices has led to a surge in demand for nano-based products. Herein, we investigate the dose-dependent impacts of nickel hydroxide (Ni(OH)2)/nickel (Ni) NPs, synthesized using Asparagus racemosus Linn. leaf extract, on the seed germination and growth of Vigna radiata (Linn.) Wilczek. In all seed samples, 100% germination was observed in Treatment 1 (2.74 mg mL−1) and Treatment 2 (5.48 mg mL−1) of Ni/Ni(OH)2 NPs. However, in Treatment 3 (8.22 mg mL−1) and Treatment 4 (10.96 mg mL−1), the germination percentage was lower, reaching 80%. Further, Treatment 5 (13.70 mg mL−1) of Ni/Ni(OH)2 NPs showed a reduced germination rate of 60%, indicating a prolonged germination process at higher concentrations. Remarkably, the length of seedlings showed a significant increase in all experimental treatments compared to the control group, which received 5 mL of distilled water. Among the investigated parameters, Treatment 2 demonstrated the most promising outcomes, exhibiting the highest chlorophyll stability index (23.73%) and membrane stability index (67.89%) values, as well as the lowest root ion leakage (24.75%). These findings indicate that Ni/Ni(OH)2 has the capacity to enhance seed germination and foster seedling growth.

Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.