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Soulaiman issa *(1)<\/sup><\/strong>, Roula jacoub(2)<\/sup> \u00a0and Ali zayak(3)<\/sup><\/strong><\/span><\/p>\n (1). Barsheen research station, GCSAR, Hamah, Syria.<\/span><\/p>\n (2). Field crops section, Faculty of agriculture, Damascus university, Syria.<\/span><\/p>\n (3). Medicinal and aromatic plants section, GCSAR, Damascus, Syria.<\/span><\/p>\n (*Corresponding Autor: Soulaiman issa, E-Mail:\u00a0 soulaimanissa4@gmail.com<\/a>).<\/span><\/p>\n Received: 13\/02\/2022\u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0 Accepted: 29\/05\/2022<\/span><\/p>\n Abstract:\u00a0<\/strong><\/span><\/p>\n The experimental was carried out in (2019-2020) at three research stastions ( Barsheen, Zahid and Almokhtarya) to identify the influence of environmental regions and different growing stages ( green grow \u2013 flowering \u2013 fruit formation- full maturity ) on the essential oil percentage of ( T.vulgaris<\/em>) plant . the statical analysis results showed out\u00a0 that there was a significant variants between the studied factors that affect the essential oil percentage of ( T.vulgaris<\/em>) \u00a0and the region (Barsheen station ) was the best significantly on average (3.18%) then Almokhtarya (3.02%) with out significant variants while Zahid station was the least at (2.22%) . also the full maturity stage was the best significantly with average (3.8%) then fruit formation stage (3.37%) and the green grow stage was the least (1.37%) .While the treatment (Barsheen- Full maturity) was the best significantly with average (6.5%) then (Almokhtarya- Fruit formation) and (Barsheen \u2013 green grow ) was the least (1.2%). \u00a0That certificate the eco flexibility of thymus vulgaris and the variants of oil yield within the different environmental factors of planting region beside the stage of collecting the economical part of plant.<\/span><\/p>\n Keywords<\/strong> : Thymus.Vulgaris<\/em>, Environmental region, collecting stage, essential oil percentage.<\/span><\/p>\n Full paper in Arabic:\u00a0 pdf<\/a><\/strong><\/span><\/p>","protected":false},"excerpt":{"rendered":" Soulaiman issa *(1), Roula jacoub(2) \u00a0and Ali zayak(3) (1). Barsheen research station, GCSAR, Hamah, Syria. (2). Field crops section, Faculty of agriculture, Damascus university, Syria. (3). Medicinal and aromatic plants section, GCSAR, Damascus, Syria. (*Corresponding Autor: Soulaiman issa, E-Mail:\u00a0 soulaimanissa4@gmail.com). … Continue reading