{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,12]],"date-time":"2026-09-12T16:11:48Z","timestamp":1789229508192,"version":"build-2803163510"},"reference-count":48,"publisher":"MDPI AG","issue":"19","license":[{"start":{"date-parts":[[2022,9,27]],"date-time":"2022-09-27T00:00:00Z","timestamp":1664236800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Plants"],"abstract":"<jats:p>Intraspecific chemical polymorphism is characteristic of essential oil bearing Thymus pulegioides (Lamiaceae). Soil chemical composition and climatic conditions can influence not only quantitative and qualitative composition of essential oils, but also on prevalence of different chemotypes in space. The purpose of study was to determine the impact of edaphic and climatic factors on T. pulegioides essential oil composition and potential chemotypes prevalence. It were investigated 131 habitats of T. pulegioides in all ten climatic sub-districts of Lithuania. Essential oils were isolated by hydrodistillation and analysed by GC-FID and GC-MS. The content of humus was estimated by oxidation method, the content of mobile potassium (K2O) and mobile phosphorus (P2O5)\u2014flame photometry using 0.2 M HCl solution, the soil pH\u2014electrometrically and 15 elements of soil\u2014by energy-dispersive X-ray fluorescence. The meteorological data (temperature, rainfall, photosynthetically active solar radiation and sunshine duration) were obtained from the meteorological bulletins. Results showed that humus in soil positively, manganese and cobalt\u2014negatively influenced on the essential oil accumulation in T. pulegioides. Carvacrol was the most common compound in the essential oil of T. pulegioides; higher amounts of sulphur and mobile phosphorus, lower amounts of sodium in soil, higher rainfall in blooming period are favourable for this compound and for potential prevalence of carvacrol chemotype. Geraniol was frequent in the eastern and the central part of Lithuania, where the temperature in vegetation season is higher, and in soils characterised by higher and lower amounts of sodium and chlorine, respectively. Thymol, linalool and \u03b1-terpinyl acetate were rare. Edaphic and climatic conditions can differently influence on essential oil yield and chemical composition of species as well as on potential prevalence of different chemotypes of same species in space.<\/jats:p>","DOI":"10.3390\/plants11192536","type":"journal-article","created":{"date-parts":[[2022,9,28]],"date-time":"2022-09-28T03:30:37Z","timestamp":1664335837000},"page":"2536","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":18,"title":["Impact of Edaphic and Climatic Factors on Thymus pulegioides Essential Oil Composition and Potential Prevalence of Chemotypes"],"prefix":"10.3390","volume":"11","author":[{"given":"Vaida","family":"Vai\u010diulyt\u0117","sequence":"first","affiliation":[{"name":"Nature Research Centre, Institute of Botany, \u017dali\u0173j\u0173 E\u017eer\u0173 Str. 47, 08406 Vilnius, Lithuania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kristina","family":"Lo\u017eien\u0117","sequence":"additional","affiliation":[{"name":"Nature Research Centre, Institute of Botany, \u017dali\u0173j\u0173 E\u017eer\u0173 Str. 47, 08406 Vilnius, Lithuania"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ri\u010dardas","family":"Tara\u0161kevi\u010dius","sequence":"additional","affiliation":[{"name":"Nature Research Centre, Institute of Geology and Geography, Akademijos Str. 2, 08412 Vilnius, Lithuania"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2022,9,27]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"4614","DOI":"10.3390\/molecules14114614","article-title":"Chemical composition and antimicrobial activity of the essential oils from two species of Thymus growing wild in southern Italy","volume":"14","author":"Bruno","year":"2009","journal-title":"Molecules"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"173","DOI":"10.1080\/10412905.1992.9698039","article-title":"Polymorfism of essential oil of Thymus pulegioides subc. chamaedrys in Slovakia","volume":"4","year":"1992","journal-title":"J. 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