Volume 8, Issue 31 (vol. 8, no. 31 2019)                   j.plant proc. func. 2019, 8(31): 45-55 | Back to browse issues page

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Jalali M, Feyzian M, Zare A A, Mirzae Najafgholi H. Comparison the efficiency of some different Zn source on quantitative and qualitative yield of Lemon verbena . j.plant proc. func.. 2019; 8 (31) :45-55
URL: http://jispp.iut.ac.ir/article-1-1247-en.html
1- Department of Soil Sciences, College of Agriculture, Lorestan University, Lorestan, Iran , jalali.mah@lu.ac.ir
2- Department of Soil Sciences, College of Agriculture, Lorestan University, Lorestan, Iran
Abstract:   (874 Views)
One of the most effective micronutrients on the quantity and quality of medicinal herbs is zinc (Zn). The present study aimed to assess the impact of the foliar application of various Zn sources (0.2% w/v) including Zn chelated by amino acid (ZnAAC), Zn-sulfate and Zn-EDTA on qualitative and quantitative features of Lemon verbena (Lippia citriodora L.). In two harvests, the field experiment was performed in a randomized complete block design with three replications. Foliar application of treatments was conducted three times with one-month interval. Based on the findings, it was indicated that ZnAAC treatment has the highest effect on quantitative and qualitative characteristics of lemon verbena in comparison with other treatments. The maximum chlorophyll concentration, leaf area, leaf dry weight, essential oil content, and total antioxidant capacity (TAC) in both harvests were found in ZnAAC treatment. It is also indicated that Zn-sulfate was more effective compared to ZnEDTA in studied characteristics. It demonstrated that regardless of the source of applied Zn, all Zn application had a significant impact on all features in comparison with control. The analysis indicated that citral (10.4-20.2), geranial (11.4-23.2), neral (7.93-18.6), runs-Caryophyllene (2.34-3.22) and 1,8-cineol (1.01-1.35) were the predominant compounds in the essential oil in both harvests. The highest and lowest amounts of geranial, neral, and citral in both harvests were measured in ZnAAC (56.81%) and ZnEDTA (48.05%) treatments, respectively. Based on the findings, it seems that using ZnAAC can enhance the quantitative and qualitative characteristics of the lemon verbena.
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Type of Study: Applicable | Subject: others
Received: 2019/05/7 | Accepted: 2019/06/23 | Published: 2019/09/23

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