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Bahreininejad, B., Razmjoo, J., Mirza, M.. (1391). Influence of water stress on morpho-physiological and phytochemical traits in Thymus daenensis. , 7(1), 151-166. doi: 10.22069/ijpp.2012.927
B. Bahreininejad; J. Razmjoo; M. Mirza. "Influence of water stress on morpho-physiological and phytochemical traits in Thymus daenensis". , 7, 1, 1391, 151-166. doi: 10.22069/ijpp.2012.927
Bahreininejad, B., Razmjoo, J., Mirza, M.. (1391). 'Influence of water stress on morpho-physiological and phytochemical traits in Thymus daenensis', , 7(1), pp. 151-166. doi: 10.22069/ijpp.2012.927
Bahreininejad, B., Razmjoo, J., Mirza, M.. Influence of water stress on morpho-physiological and phytochemical traits in Thymus daenensis. , 1391; 7(1): 151-166. doi: 10.22069/ijpp.2012.927

Influence of water stress on morpho-physiological and phytochemical traits in Thymus daenensis

International Journal of Plant Production
مقاله 11، دوره 7، شماره 1، فروردین 2013، صفحه 151-166    اصل مقاله (263.89 K)
نوع مقاله: Research Paper
شناسه دیجیتال (DOI): 10.22069/ijpp.2012.927
نویسندگان
B. Bahreininejad1؛ J. Razmjoo* 1؛ M. Mirza2
1Department of Agronomy and Plant Breeding, College of Agriculture, Isfahan University of Technology, 84156-83111, Isfahan, Iran.
2Research Institute of Forests and Rangelands, P.O. Box 13185-116, Tehran, Iran.
چکیده
Thymus daenensis is a medicinal plant endemic to semi-arid regions of Iran. A
field experiment using a randomized complete block design with four replications
was conducted to evaluate the effect of 20, 50 and 80% soil water depletion on
morpho-physiological traits, essential oil content and composition and water use
efficiency of T. daenensis during 2010-2011. Water stress reduced growth, herbage
production, chlorophyll and carotenoid content, while increased proline, K+,
essential oil content and irrigation water use efficiency based on essential oil yield
(IWUEeso). Thymol was the highest essential oil composition (63.3-73.5%)
followed by carvacrol (3.6-16.0%), ρ-cymene (3.8-7.4%), γ-terpinene (3.3-4.7%),
β-caryophyllene (2.8-4.0%) and borneol (1.4-3.4%), respectively. Thymol, ρ-cymene
and γ-terpinene were increased, while the other compositions decreased under
water stress. It is concluded that irrigation of T. daenensis based on 50% water
depletion should be an appropriate choice for first growing season and 80% water
depletion for the second growing season in semi-arid climatic conditions.
کلیدواژه‌ها
Thymus daenensis؛ Water deficit؛ growth؛ Essential oil
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