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Foliar Application of Cerium Oxide-Salicylic Acid Nanoparticles $(CeO_{2}$:SA Nanoparticles) Influences the Growth and Physiological Responses of Portulaca oleracea L. under Salinity
| Content Provider | MDPI |
|---|---|
| Author | Hassanpouraghdam, Mohammad Bagher Mehrabani, Lamia Vojodi Bonabian, Zahra Aazami, Mohammad Ali Rasouli, Farzad Feldo, Marcin Strzemski, Maciej Dresler, Sławomir |
| Copyright Year | 2022 |
| Description | In the present study, the effects of foliar application of salicylic acid (100 μM), cerium oxide (50 mg $L^{−1}$), and cerium oxide:salicylic acid nanoparticles $(CeO_{2}$: SA-nanoparticles, 50 mg $L^{−1}$ + 100 μM) on the growth and physiological responses of purslane (Portulaca oleracea L.) were examined in non-saline and saline conditions (50 and 100 mM NaCl salinity). Foliar applications mitigated salinity-induced adverse effects, and the highest plant height and N, P, Mg, and Mn content were recorded in the variant with non-saline × foliar use of $CeO_{2}$: SA-nanoparticles. The highest values of fresh and dry weight were noted in the treatment with no-salinity × foliar use of $CeO_{2}$:SA-nanoparticles. The highest number of sub-branches was observed in the foliar treatments with $CeO_{2}$-nanoparticles and $CeO_{2}$:SA-nanoparticles without salinity stress, while the lowest number was noted in the 100 mM NaCl treatment. Moreover, the foliar application of $CeO_{2}$:SA-nanoparticles and cerium-oxide nanoparticles improved the total soluble solid content, K, Fe, Zn, Ca, chlorophyll a, and oil yield in the plants. The salinity of 0 and 50 mM increased the K content, 1000-seed weight, total soluble solid content, and chlorophyll b content. The use of 100 mM NaCl with no-foliar spray increased the malondialdehyde, Na, and $H_{2}O_{2}$ content and the $Na^{+}/K^{+}$ ratio. No-salinity and 50 mM NaCl × $CeO_{2}$: SA-nanoparticle interactions improved the anthocyanin content in plants. The phenolic content was influenced by $NaCl_{100}$ and the foliar use of $CeO_{2}$:SA-nanoparticles. The study revealed that the foliar treatment with $CeO_{2}$:SA-nanoparticles alleviated the side effects of salinity by improving the physiological responses and growth-related traits of purslane plants. |
| Starting Page | 5093 |
| e-ISSN | 14220067 |
| DOI | 10.3390/ijms23095093 |
| Journal | International Journal of Molecular Sciences |
| Issue Number | 9 |
| Volume Number | 23 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-05-03 |
| Access Restriction | Open |
| Subject Keyword | International Journal of Molecular Sciences Horticulture Water Science and Technology Portulaca Oleracea Elemental Content Malondialdehyde Phenolic Compound |
| Content Type | Text |
| Resource Type | Article |
