Effects of silicon nano-particle nutrition on growth and physiological characteristics of Coriandrum sativum L. under lead stress

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FATEMI H.; ESMAIELPOUR B.; SOLTANI TOOLAROOD A.A.; Nematolah Zadeh a.

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Paper Information

Journal: IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS Year:2017 | Volume:33 | Issue:5 (85) Page(s): 853-870

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Title

Effects of silicon nano-particle nutrition on growth and physiological characteristics of Coriandrum sativum L. under lead stress

Author(s)

FATEMI H. | ESMAIELPOUR B. | SOLTANI TOOLAROOD A.A. | Nematolah Zadeh a. | Issue Writer Certificate

Keywords

ChlorophyllQ1

heavy metal stressQ1

phenolQ1

flavonoidQ1

nanoparticlesQ1

Abstract

Silicon (Si) is the second most abundant element in the earth crust. Silicon has been shown to ameliorate the adverse effects of heavy metals on plants. This research was aimed to investigate the effects of silicon nano-fertilizer nutrition on growth and physiological characteristics of coriander (Coriandrum sativum L. ) under lead stress. The study was conducted in a factorial experiment based on a completely randomized design with four replications in the research greenhouse of Mohaghegh Ardabili University during 2016. Experimental treatments included soil contamination by PbCl2 (0, 500, 1000 and 1500 mg/kg soil) and foliar spraying with silicon nano-fertilizer (0, 1. 5 and 3 mM). Morphological studied traits including plant height, leaf number and area, fresh and dry weight of root and plant, root and stem diameter, physiological parameters such as photosynthetic pigments, electrolyte leakage, relative water contents, proline, carbohydrates, phenol, antioxidants were measured. Results indicated that lead stress reduced the morphological characteristics such as plant height, plant fresh and dry weight, and stem and root diameter, so that the increased content of lead led to decrease of plant dry weight, root weight, root and stem diameter, root length, plant height, leaf area and dry weight up to 57, 50, 20, 41, 15, 42 and 25%, respectively. Foliar spraying with silicon (3mM) led to improve most of morphological traits of coriander. The content of Chlorophyll a, Chlorophyll b, total Chlorophyll, carotenoid and carbohydrate in leaves was increased with increasing lead concentration in soil. However, silicon foliar spraying improved these traits under lead stress. Proline, phenol, flavonoid and antioxidant capacity were significantly increased with increasing concentration of lead up to 1500mg/kg. In general, it can be concluded that the use of silicon nanoparticles for coriander can reduce the negative effects of lead stress to a satisfactory level.

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APA: Copy

FATEMI, H., ESMAIELPOUR, B., SOLTANI TOOLAROOD, A.A., & Nematolah Zadeh, a.. (2017). Effects of silicon nano-particle nutrition on growth and physiological characteristics of Coriandrum sativum L. under lead stress. IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, 33(5 (85) ), 853-870. SID. https://sid.ir/paper/105731/en

Vancouver: Copy

FATEMI H., ESMAIELPOUR B., SOLTANI TOOLAROOD A.A., Nematolah Zadeh a.. Effects of silicon nano-particle nutrition on growth and physiological characteristics of Coriandrum sativum L. under lead stress. IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS[Internet]. 2017;33(5 (85) ):853-870. Available from: https://sid.ir/paper/105731/en

IEEE: Copy

H. FATEMI, B. ESMAIELPOUR, A.A. SOLTANI TOOLAROOD, and a. Nematolah Zadeh, “Effects of silicon nano-particle nutrition on growth and physiological characteristics of Coriandrum sativum L. under lead stress,” IRANIAN JOURNAL OF MEDICINAL AND AROMATIC PLANTS, vol. 33, no. 5 (85) , pp. 853–870, 2017, [Online]. Available: https://sid.ir/paper/105731/en

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