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| International Agrophysics |
| wydawca: | Instytut Agrofizyki
im. B. Dobrzańskiego
PAN
w Lublinie |
| ISSN: |
0236-8722 |
vol. 23, nr. 3 (2009)
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poprzedni artykuł wróć do listy artykułów następny artykuł
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Effect of water stress and nitrogen fertilizer on herb and essential oil of oregano
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H.A.H. Said-Al Ahl, E.A. Omer, N.Y. Naguib
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Department of Cultivation and Production of Medicinal and Aromatic Plants, National Research Centre, Dokki, Giza, 12622, Egypt |
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vol. 23 (2009), nr. 3,
pp. 269-275
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streszczenie
Two pot trials were carried out during the 2006 and 2007 seasons to investigate the impact of water stress treatments (80, 60, and 40% available soil moisture) and/or nitrogen fertilizer levels (0, 0.6, 0.9 and 1.2 g N pot -1 as ammonium sulphate) on the fresh mass of herb and essential oil of oregano plants. Supplying plants with a water level of 80% available soil moisture and with 1.2 g N pot -1 were effective in raising the productivity of herb and the content and yield of essential oil. The interaction between these two treatments gave the best results. Concerning essential oil constituents, carvacrol was the major compound, followed by p-cymene, -terpinene was the third component.
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słowa kluczowe
Origanum vulgare L., water stress, nitrogen fertilizer, fresh herb yield, essential oil, GLC analysis
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