We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Biosynthesis of Zinc Oxide Nanoparticles via Leaf Extracts of Catharanthus roseus (L.) G. Don and Their Application in Improving Seed Germination Potential and Seedling Vigor of Eleusine coracana (L.) Gaertn
Summary
Researchers developed zinc oxide nanoparticles biosynthesized from Catharanthus roseus leaf extracts and demonstrated their effectiveness as a nanopriming agent for improving seed germination and seedling vigor in finger millet.
The ecofriendly nature of materials used in synthesis and their low cost make biosynthesized nanoparticles excellent stuff for a broad range of applications in bioscience. Green nanomaterials are progressively used in agriculture to deliver plant nutrients efficiently and effectively. The present work aimed to biosynthesize zinc oxide nanoparticles (ZnO NPs) utilizing Catharanthus roseus (L.) G. Don leaf extracts to use them as a nanopriming agent for improving seed germination and seedling growth in Eleusine coracana (L.) Gaertn (finger millet). UV-Vis spectroscopy, FTIR, FE-SEM, EDX, and TEM were used to characterize biosynthesized nanoparticles (NPs). The peaks at 362 nm characterized UV-Vis spectra of ZnO NPs. The FTIR absorption spectrum of ZnO NPs showed Zn-O bending at 547 cm−1. The size (44.5 nm) and shape (nonspherical) of ZnO NPs were revealed by TEM image analysis. XRD confirmed the hexagonal wurtzite phase of ZnO with an average particle size of 35.19. The seed germination results revealed that ZnO-nanoprimed seeds at 500 mg/L substantially improved all the seed germination parameters, viz., plumule length (23.4%), radicle length (55%), vigor index (41.94%), and dry matter production (54.6%) compared to hydropriming (control).
Sign in to start a discussion.
More Papers Like This
ZnO Nanoparticle-based Seed Priming Modulates Early Growth and Enhances Physio-biochemical and Metabolic Profiles of Fragrant Rice Against Cadmium Toxicity
Researchers investigated whether priming fragrant rice seeds with ZnO nanoparticles could mitigate cadmium (Cd) toxicity during early seedling growth. They found that ZnO nanoparticle seed priming significantly improved seedling biomass and physiological attributes under Cd stress, though it had no significant effect on germination rate itself.
Stimulating effect of biogenic nanoparticles on the germination of basil (Ocimum basilicum L.) seeds
Researchers synthesized silver, zinc oxide, and iron oxide nanoparticles using plant extracts from thyme and lavender, then tested their effects on basil seed germination. They found that different nanoparticle types and concentrations enhanced germination at varying rates, with silver nanoparticles at 200 mg/L producing the strongest overall boost, suggesting that biologically made nanoparticles could serve as low-toxicity agricultural growth promoters.
ZnO nanoparticle-based seed priming modulates early growth and enhances physio-biochemical and metabolic profiles of fragrant rice against cadmium toxicity
Researchers studied how zinc oxide nanoparticles applied to rice seeds could help the plants resist cadmium toxicity in contaminated soils. The study found that this seed treatment substantially improved early growth and strengthened the plants' biochemical defenses. These findings suggest a potential strategy for growing crops more safely in soils contaminated with heavy metals.
Green Preparation of ZnO Nanoparticles Using Citrus aurantium L. Extract for Dye Adsorption, Antibacterial, and Antioxidant Activities
Researchers used green synthesis with Citrus aurantium extract to prepare ZnO nanoparticles, which showed effective adsorption of amaranth red dye alongside strong antibacterial and antioxidant activities, offering a low-cost and environmentally friendly nanomaterial production route.
Multiomics analysis reveals a substantial decrease in nanoplastics uptake and associated impacts by nano zinc oxide in fragrant rice (Oryza sativa L.)
Researchers found that nano zinc oxide (nZnO) particles form aggregates with polystyrene nanoplastics in the root zone of fragrant rice, physically blocking nanoplastic uptake, while transcriptomic and metabolomic analyses revealed that nZnO also restored antioxidant defenses and rescued aroma compound biosynthesis that nanoplastics had disrupted.