Abstract
In this study, polyvinyl alcohol (PVA)-based nanofibers were synthesized through electrospinning and infused gibberellic acid (GA3) to form microcapsules and evaluated for efficacy on seed quality enhancement. The polymer, polyvinyl alcohol (PVA at 15%), was used to synthesize nanofibers (281 nm) and, upon infusion of the analyte (GA3 at 100 ppm), resulted in the formation of microcapsules, where characterization of morphology and analyte integration was done through scanning electron microscopy (SEM) and Fourier transform infrared (FTIR) spectroscopy, respectively. GA3-infused microcapsules were coated on fresh and accelerated-aged maize seeds, and germination potential tests were performed as per the International Seed Testing Association (ISTA) seedling group number (A 1-2–3-2). The evaluation of seed enhancement of aged seeds showed the effect of precision coating (GA3-infused microcapsules) in attaining superior seedling performance even after triggering the seed deterioration process through accelerated aging. The results revealed that the seed quality parameters like higher germination (80%), seedling length (23 cm), seedling dry weight (0.53 g), and vigor indices had been significantly enhanced due to GA3-infused microcapsules coating in aged maize seeds.
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Acknowledgements
The authors thankfully acknowledge ICAR-Indian Institute of Seed Science for rendering all-inclusive support in the institution of laboratory work. We also thank Nanotechnology Department, TNAU, Coimbatore, ICAR- NBAIM, Mau, and USIC, Dharwad, for extending nanomaterial characterization facilities in this endeavor.
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Research work planning, execution, and preparation of the draft manuscript, KUB; Aiding in characterization and editing of the manuscript, SPJK, KVS, KBN, and SK; Data compilation and aiding in analysis, CR.
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Bhaskar, K.U., Sripathy, K.V., Kumar, S.P.J. et al. Seed Quality Enhancement Through Analyte-Infused Electrospun Microcapsules in Maize. J Plant Growth Regul (2024). https://doi.org/10.1007/s00344-024-11244-8
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DOI: https://doi.org/10.1007/s00344-024-11244-8