Volume 11, Issue 48 (vol. 11, no. 48 2022)                   2022, 11(48): 283-298 | Back to browse issues page

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safaii L, sefidkon F, Davazdahemami S, AminAzarm D. A study the effects of organic and chemical fertilizers on oil yield and essential oil components in Satureja spicigera Jamzad in Isfahan. Plant Process and Function 2022; 11 (48) : 18
URL: http://jispp.iut.ac.ir/article-1-1553-en.html
A study the effects of organic and chemical fertilizers on oil yield and essential oil components in Satureja spicigera Jamzad in Isfahan
Lili Safaii * 1, Fatemeh Sefidkon2 , Saeed Davazdahemami3 , Davood AminAzarm4
1- 1Research Division of Natural Resources, Isfahan Agricultural and Natural Resources Research and Education Center, AREEO, Isfahan, Iran. , lilisafaii1971@gmail.com
2- Medicinal Plants and By-products Research Division, Research Institutes of Forest and Rangelands, Agricultural Research Education and Extension Organization (AREEO), Tehran, Iran.
3- 1Research Division of Natural Resources, Isfahan Agricultural and Natural Resources Research and Education Center, AREEO, Isfahan, Iran.
4- Horticulture Crops Research Department, Isfahan Agricultural and Natural Resources Research and Education Center, AREEO, Isfahan, Iran.
Abstract:   (885 Views)
Plant nutrition management is an important factor in the success of cultivation of medicinal plants, which leads to the improvement of quantitative and qualitative yield. Therefore an experiment was conducted as a randomized complete block design with three replications and 8 nutritional treatments during three growing seasons on Satureja. spicigera Jamzad.The treatments included different levels of chemical fertilizers (N50P25K25), different levels of organic fertilizers (Cow Manure30, Cow Manure60 and 5 ton/ha Vermi-compost) and combination of chemical and organic fertilizers (N50P25K25+ Cow Manure30, N50P25K25+ Cow Manure60, N50P25K25+ 5 ton/ha Vermi-compost). These treatments were compared with the control. The aerial parts of plants were harvested at 50% flowering stage and after drying, the essential oil was extracted using water distillation and Clevenger apparatus. Essential compounds were identified using gas chromatography (GC) and gas chromatography-mass spectrometry (GC / MS). According to the results, the maximum essential oil percentage and oil yeild in S. spicigera was 2.96% and 58.02 kg/ha during the second year. Based on the results of the experimental years, the highest oil yield was observed in the combined treatment of 50 kg/ha nitrogen, 25 kg/ha of phosphorus and 25 kg/ha of potash plus 5 tons per hectare of vermicompost, in the third year. During the experimental years, 13 compounds were observed in S. spicigera so that dominant compositions were thymol (26.14-56.15%), g-terpinene (12.83-30.95%) and p-cymen (7.24-16.85%) with a total of more than 97%, had the highest amount. According to the results, the qualitative yield of essential oil of plant was less affected by soil fertility treatments, whereas the quantitative yield of essential oil had a significant increase so that indirectly increased the qualitative yield of essential oil. Also, it could be recommended the use of vermicompost along with the chemical and biological fertilizers to increase the essential oil yield of Satureja spicigera.
Article number: 18
Keywords: Essential oil components, Nutrition, S. spicigera Thymol
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Type of Study: Research | Subject: others
Received: 2021/06/14 | Accepted: 2021/12/11 | Published: 2022/05/23
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