article · Agronomy
Faba bean crops face significant threats from Fusarium wilt disease, which has worsened with climatic changes. Nanotechnology offers a dual-action approach through the manufacture of therapeutic nutrients that also control plant disease. Bimetallic zinc oxide and copper oxide nanoparticles were biologically synthesised using biomass filtrate from the fungus Aspergillus fumigatus. When evaluated on infected Vicia faba crops, the nanoparticles significantly mitigated the severe reductions in growth, pigments, and nutritional content caused by Fusarium infection. Foliar application of the bimetallic nanoparticles lowered the disease index by 22.5 per cent and provided 74.28 per cent plant protection. Furthermore, the treatment enhanced growth characteristics, photosynthetic pigments, soluble carbohydrates, and proteins across both healthy and infected specimens, while simultaneously increasing pod counts by 146.1 per cent and pod weight by 228.8 per cent.
Fusarium wilt severely damages faba bean yields, posing a major risk to food production under changing climatic conditions. By serving both as therapeutic nutrients and antifungal agents, mycosynthesised bimetallic nanoparticles present a viable method to protect crops. This approach not only curtails fungal damage but also restores plant metabolic functions and drives large gains in harvest yield.
The abstract suggests these nanoparticles could be developed into commercial foliar treatments functioning as antifusarial agents and systemic resistance elicitors for farmers and agribusinesses. Based on the tested performance on infected and healthy plants, the work represents applied, laboratory-tested research. Translating this into a market-ready product would require scaling the fungal synthesis process and validating performance under commercial field conditions.
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The exacerbation of climatic changes helped to increase the risk of plant diseases in the world. The novelty of this study lies in the manufacture of therapeutic nutrients using nanotechnology with strong effectiveness against plant disease. Based on this concept, we mycosynthesized bimetallic ZnO-CuO nanoparticles (NPs), alternatives to reduce the spread of Vicia faba Fusarium wilt disease, which is one of the world’s most imperative cultivated crops. The article’s uniqueness comes in the utilization of ZnO-CuO nanoparticles to carry out two crucial tasks: therapeutic nutrients and managing Fusarium disease. To evaluate the resistance of infected plants, disease index (DI), photosynthetic pigments, osmolytes, oxidative stress and yield parameters were assessed. NPs of ZnO, CuO, and ZnO-CuO were mycosynthesized using a biomass filtrate of Aspergillus fumigatus OQ519856. DI reached 87.5%, due to Fusarium infection, and, as a result, a severe decrease in growth characters, photosynthetic pigments, total soluble carbohydrates, and proteins as well as yield parameters was observed. Infected plants produced more of the studied metabolites and antioxidants. On the other hand, the treatment with CuO-ZnO NPs led to a great decline in the DI by 22.5% and increased the protection by 74.28%. A clear improvement in growth characters, photosynthetic pigments and a high content of carbohydrates and proteins was also observed in both healthy and infected plants as a result of CuO-ZnO NPs treatment. Remarkably, CuO-ZnO NPs significantly increased the yield parameters, i.e., pods/plant and pod weight, by 146.1% and 228.8%, respectively. It could be suggested that foliar application of NPs of ZnO, CuO, and ZnO-CuO could be commercially used as antifusarial agents and strong elicitors of induced systemic resistance.
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DOI: 10.3390/agronomy13112725
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