Institutional Repository [SANDBOX]
Technical University of Crete
EN  |  EL

Search

Browse

My Space

Metal nanoparticles: phytotoxicity on tomato and effect on symbiosis with the Fusarium solani FsK strain

Malandrakis Anastasios, Kavroulakis Nektarios, Avramidou Marianna, Papadopoulou Kalliope K., Tsaniklidis Georgios, Chrysikopoulos Constantinos

Full record


URI: http://purl.tuc.gr/dl/dias/77C81269-A096-47A1-8E37-D1499CBFE7D3
Year 2021
Type of Item Peer-Reviewed Journal Publication
License
Details
Bibliographic Citation A. A. Malandrakis, N. Kavroulakis, M. Avramidou, K. K. Papadopoulou, G. Tsaniklidis, and C. V. Chrysikopoulos, “Metal nanoparticles: phytotoxicity on tomato and effect on symbiosis with the Fusarium solani FsK strain,” Sci. Total Environ., vol. 787, Sep. 2021, doi: 10.1016/j.scitotenv.2021.147606. https://doi.org/10.1016/j.scitotenv.2021.147606
Appears in Collections

Summary

The effect of copper (Cu-NPs, CuO-NPs), silver (Ag-NPs) and zinc oxide (ZnO-NPs) nanoparticles (NPs) on plant growth, physiological properties of tomato plants and their symbiotic relationships with the endophytic Fusarium solani FsK strain was investigated. Fungitoxicity tests revealed that the FsK strain was significantly more sensitive to Cu-NPs and ZnO-NPs than CuO-NPs and Ag-NPs both in terms of mycelial growth and spore germination. All NPs were more toxic to FsK compared to their bulk counterparts except for AgNO3, which was 8 to 9-fold more toxic than Ag-NPs. Apart from AgNO3, NPs and bulk counterparts did not affect the number of germinated tomato seeds even in higher concentrations, while root length was significantly reduced in a dose dependent way in most cases. Dry weight of tomato plants was also significantly reduced upon treatment with NPs and counterparts with most pronounced effects in the cases of AgNO3, Cu-NPs, ZnO-NPs, and ZnSO4. Root and shoot length of grown tomato plants was also affected by treatments while differences between NPs and bulk counterparts varied. A marked oxidative stress response was recorded in all cases of NPs/bulk counterparts as indicated by increased MDA and H2O2 levels of treated plants. Treated plants had significantly reduced chlorophyl-a and carotenoid levels compared to the untreated control. NPs and counterparts did not affect FsK colonization of roots indicating a possible shielding effect of tomato plants once the endophyte was established inside the roots. Vice versa, a possible alleviation of CuO-NPs, ZnO-NPs, and ZnSO4 toxicity was observed in the presence of FsK inside tomato roots in terms of plant dry weight. The results suggest that phytotoxicity of NPs in tomato treated plants should be considered before application and while both FsK and tomato are sensitive to NPs, their reciprocal benefits may extent to resistance towards these toxic agents.

Services

Statistics