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:: Volume 1, Issue 2 ((Volume 1 - No. 2 - Summer 2013) - Article Numbers: 7 Article(s) 2013) ::
PEC 2013, 1(2): 31-42 Back to browse issues page
The study on the allelopathic potential of Artemisia sieberi Besser concerning the germinating, physiological and biochemical parameters of Agropyron elongatum (Host) Beauv
Samaneh Torabi Asl, Hamed Rouhani1, Ebrahim Gholam Alipour Alamdari *, Aboulfazl Tahmasebi3
1- Assistant Prof., Department of Natural Resources Gonbad Kavous University, Gonbad
Assistant Prof., Department of Crop Production, Gonbad Kavous University, Gonbad , ebrahim_19730@yahoo.com
3- Scientific Member Department of Natural Resources Gonbad Kavous University, Gonbad
Abstract:   (4709 Views)
 Allelochemical production by plants can affect the growth of adjacent plants. In this study, an experiment was conducted to identify some secondary metabolites through the standard procedure of phytochemistry in the dominant species of Artemisia sieberi Besser prior to the flowering stage from the rangelands of the eastern regions of Golestan Province. All the parts of the selected plant were soaked in 10% ratio of distilled water for 72 h. Then, the allelopathic activity of various concentrations including 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100% of the studied plant on the germinating (radicle elongation, shoot and seedling, seed germination, rate of germination and vigor index), physiological (chlorophyll a, b, total) and biochemical (total phenols) parameters of the seed of Agropyron elongatum were examined. This experiment was performed in order to set a completely randomized design with three replicates. Qualitative analysis detected and confirmed some allelochemicals such as saponins, terpenoides and tannins. The results of ANOVA showed that there were statistically significant differences between different concentrations of aqueous extracts among all the studied parameters (P>0.01) except for radicle length. Comparison between the mean concentrations indicated that the treatments have a greater inhibition effect on the germination percentage and germination rate, compared to seedling growth. The effect of various aqueous extracts (except for the 10 percent concentration which caused a stimulation effect on the aforementioned parameters) on the vigor index, chlorophyll a, b, and total indicated significant inhibition processes as the concentrations increased.
Keywords: Secondary metabolites, Different concentrations, Germination parameters, Chlorophyll and Phenols content.
Full-Text [PDF 334 kb]   (864 Downloads)    
Type of Study: Research | Subject: Special
Received: 2013/02/26 | Accepted: 2013/10/29 | Published: 2014/11/22
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Torabi Asl S, Rouhani H, Gholam Alipour Alamdari E, Tahmasebi A. The study on the allelopathic potential of Artemisia sieberi Besser concerning the germinating, physiological and biochemical parameters of Agropyron elongatum (Host) Beauv. PEC. 2013; 1 (2) :31-42
URL: http://pec.gonbad.ac.ir/article-1-61-en.html

Volume 1, Issue 2 ((Volume 1 - No. 2 - Summer 2013) - Article Numbers: 7 Article(s) 2013) Back to browse issues page
مجله حفاظت زیست بوم گیاهان Journal of Plant Ecosystem Conservation
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