| Title: | Volatile Organic Compounds and Physiological Parameters as Markers of Potato (Solanum tuberosum L.) Infection with Phytopathogens |
| Author(s): | Steglinska A; Pielech-Przybylska K; Janas R; Grzesik M; Borowski S; Kregiel D; Gutarowska B; |
| Address: | "Department of Environmental Biotechnology, Lodz University of Technology, Wolczanska 171/173, 90-530 Lodz, Poland. Institute of Fermentation Technology and Microbiology, Lodz University of Technology, Wolczanska 171/173, 90-530 Lodz, Poland. The National Institute of Horticultural Research, Konstytucji 3 Maja 1/3, 96-100 Skierniewice, Poland" |
| DOI: | 10.3390/molecules27123708 |
| ISSN/ISBN: | 1420-3049 (Electronic) 1420-3049 (Linking) |
| Abstract: | "The feasibility of early disease detection in potato seeds storage monitoring of volatile organic compounds (VOCs) and plant physiological markers was evaluated using 10 fungal and bacterial pathogens of potato in laboratory-scale experiments. Data analysis of HS-SPME-GC-MS revealed 130 compounds released from infected potatoes, including sesquiterpenes, dimethyl disulfide, 1,2,4-trimethylbenzene, 2,6,11-trimethyldodecane, benzothiazole, 3-octanol, and 2-butanol, which may have been associated with the activity of Fusarium sambucinum, Alternaria tenuissima and Pectobacterium carotovorum. In turn, acetic acid was detected in all infected samples. The criteria of selection for volatiles for possible use as incipient disease indicators were discussed in terms of potato physiology. The established physiological markers proved to demonstrate a negative effect of phytopathogens infecting seed potatoes not only on the kinetics of stem and root growth and the development of the entire root system, but also on gas exchange, chlorophyll content in leaves, and yield. The negative effect of phytopathogens on plant growth was dependent on the time of planting after infection. The research also showed different usefulness of VOCs and physiological markers as the indicators of the toxic effect of inoculated phytopathogens at different stages of plant development and their individual organs" |
| Keywords: | Biomarkers Gas Chromatography-Mass Spectrometry Pectobacterium carotovorum/physiology Plant Diseases/microbiology *Solanum tuberosum/microbiology *Volatile Organic Compounds dry rot early blight markers phytopathogen volatiles phytopathogens potato physio; |
| Notes: | "MedlineSteglinska, Aleksandra Pielech-Przybylska, Katarzyna Janas, Regina Grzesik, Mieczyslaw Borowski, Sebastian Kregiel, Dorota Gutarowska, Beata eng 00010.DDD.6509.00016.2018.05/Agency for Restructuring and Modernization of Agriculture, Poland/ Switzerland 2022/06/25 Molecules. 2022 Jun 9; 27(12):3708. doi: 10.3390/molecules27123708" |
