Effects of varying nitrogen doses on yield,yield components and artemisinin content of Artemisia annua L. |
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| Authors: | Men?ure Özgüven Bilge ?ener Ilkay Orhan Naz?m ?ekero?lu Muzaffer Kirpik Murat Kartal Ipek Pe?in Zülküf Kaya |
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| Institution: | 1. Department of Field Crops, Faculty of Agriculture, Çukurova University, 01330 Adana, Turkey;2. Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, 06330 Ankara, Turkey;3. Department of Field Crops, Faculty of Agriculture, Ordu University, 52200 Ordu, Turkey;4. Department of Pharmacognosy, Faculty of Pharmacy, Ankara University, 06100 Ankara, Turkey;5. Department of Soil Science, Faculty of Agriculture, Çukurova University, 01330 Adana, Turkey;1. Analytical Chemistry Department, Central Institute of Medicinal and Aromatic Plants (Council of Scientific and Industrial Research), Lucknow 226 015, India;2. Molecular Bioprospection Department, Central Institute of Medicinal and Aromatic Plants (Council of Scientific and Industrial Research), Lucknow 226 015, India;1. Department of Botany, Aligarh Muslim University, Aligarh 202 002, India;2. Department of Mathematics and Sciences, College of Arts and Applied Sciences, Dhofar University, PO Box 2509, PC 211, Salalah, Sultanate of Oman;3. Radiation Technology Development Division, BARC, Mumbai 400 085, India;1. Department of Food Science, Faculty of Science and Technology, Aarhus University, Kirstinebjergvej 10, Aarslev DK-5792, Denmark;2. Department Quality, Leibniz-Institute of Vegetable and Ornamental Crops Grossbeeren/Erfurt e. V., Theodor-Echtermeyer-Weg 1, 14979 Grossbeeren, Germany;1. University of Wyoming, Department of Plant Sciences, 1000 University Avenue, Laramie, WY 82071, USA;2. Natural Products Utilization Research Unit, Agricultural Research Service, United States Department of Agriculture, University, MS 38677, USA;3. Oregon State University, Columbia Basin Agricultural Research Center, Pendleton, OR 97801, USA |
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| Abstract: | Artemisia annua L. is an aromatic-antibacterial herb that destroys malarial parasites, lowers fevers and checks bleeding, and of which the secondary compound of interest is artemisinin. The objective of the present study was to determine yield, yield components and artemisinin content of A. annua L. grown under four nitrogen applications (0, 40, 80 and 120 kg ha?1) in the Çukurova region of Turkey in 2004 and 2005. Field trials were conducted at Çukurova University, Agricultural Faculty Field Crops Department. In the study, plant height, number of branches, fresh herbage yield, dry herbage yield, fresh leaf yield, dry leaf yield, essential oil content and artemisinin content (by high performance liquid chromatography, HPLC) were examined. By analysis of variance, nitrogen doses had no any statistical effect on the traits investigated except for artemisinin content. Artemisinin content of the dried leaves were significantly affected by nitrogen applications, which varied from 6.32 to 27.50 mg 100 g?1. Contents were from 120 and 80 kg ha?1 nitrogen for the years of 2004 and 2005, respectively. |
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