The Effect of Origanum vulgare subsp. hirtum Essential Oil on Metabolite Profile of Solanum tuberosum †
Institute of Biodiversity and Ecosystem Research, Bulgarian Academy of Sciences, 23, Acad. G. Bonchev Str., 1113 Sofia, Bulgaria
*
Author to whom correspondence should be addressed.
†
Presented at the 2nd International Electronic Conference on Plant Sciences—10th Anniversary of Journal Plants, 1–15 December 2021; Available online: https://iecps2021.sciforum.net/ .
Biol. Life Sci. Forum 2022, 11(1), 7; https://doi.org/10.3390/IECPS2021-11940
Published: 30 November 2021
(This article belongs to the Proceedings of The 2nd International Electronic Conference on Plant Sciences—10th Anniversary of Journal Plants)
Abstract
:Essential oils are intensively studied in recent years as promising bio-herbicides. A strong inhibitory activity on seed germination and phytotoxic effect on seedling growth has been reported for Origanum vulgare subsp. hirtum (Link) Ietswaart essential oil. It has also been found that the phytotoxic effect is weaker in the treatment of plants at a more advanced stage in their development. Thus, when treating potato plants with a height of 30–40 cm with aqueous solutions of essential oil, the effect manifests by the appearance of single spots on the leaves, which does not disturb the growth of the plants. In the present study, a comparative analysis was performed regarding the metabolic profiles of healthy leaves of control potato plants and leaves with spots formed as a result of processing with aqueous solutions of Origanum vulgare subsp. hirtum essential oil. The metabolite analysis was made by GC–MS. Potato plants were treated with concentrations of essential oil—5 and 10 µL/mL. The leaves were collected 7 days after treatment. Metabolites representing basic groups of substances—namely, amino acids, organic and phenolic acids, and mono- and disaccharides—were identified. In the damaged leaves, higher contents of monosaccharides (fructose and glucose), pyroglutamic acid, and amino acids (proline, serine, aspartic acid) were found, compared with control leaves. Fewer differences were found in terms of the accumulation of chlorogenic, ferulic, and quinic acids, sucrose. The results presented in this study contribute to the knowledge of plants’ reactions to abiotic stress.
Supplementary Materials
Funding
This research was supported by the Bulgarian National Science Fund, Bulgarian Ministry of Education and Science (Grant DN 16/2, 11.12.2017).
Institutional Review Board Statement
Not applicable.
Informed Consent Statement
Not applicable.
Data Availability Statement
Not applicable.
Conflicts of Interest
The authors declare no conflict of interest.
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MDPI and ACS Style
Nikolova, M.; Traykova, B.; Berkov, S. The Effect of Origanum vulgare subsp. hirtum Essential Oil on Metabolite Profile of Solanum tuberosum . Biol. Life Sci. Forum 2022, 11, 7. https://doi.org/10.3390/IECPS2021-11940
AMA Style
Nikolova M, Traykova B, Berkov S. The Effect of Origanum vulgare subsp. hirtum Essential Oil on Metabolite Profile of Solanum tuberosum . Biology and Life Sciences Forum. 2022; 11(1):7. https://doi.org/10.3390/IECPS2021-11940
Chicago/Turabian StyleNikolova, Milena, Boryanka Traykova, and Strahil Berkov. 2022. "The Effect of Origanum vulgare subsp. hirtum Essential Oil on Metabolite Profile of Solanum tuberosum " Biology and Life Sciences Forum 11, no. 1: 7. https://doi.org/10.3390/IECPS2021-11940
APA StyleNikolova, M., Traykova, B., & Berkov, S. (2022). The Effect of Origanum vulgare subsp. hirtum Essential Oil on Metabolite Profile of Solanum tuberosum . Biology and Life Sciences Forum, 11(1), 7. https://doi.org/10.3390/IECPS2021-11940
