Effect of silicon nutrition on growth, physiological and biochemical characteristics of dill (Anethum graveolens L) under Pb stress conditions

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Rahbari Akram; ESMAIELPOUR BEHROOZ; Fatemi Hamideh; Soltani Toolarood Ali Ashraf

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Journal: JOURNAL OF PLANT PROCESS AND FUNCTION Year:2019 | Volume:8 | Issue:30 Page(s): 81-94

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Title

Effect of silicon nutrition on growth, physiological and biochemical characteristics of dill (Anethum graveolens L) under Pb stress conditions

Author(s)

Rahbari Akram | ESMAIELPOUR BEHROOZ | Fatemi Hamideh | Soltani Toolarood Ali Ashraf | Issue Writer Certificate

Keywords

Antioxidant enzymesQ1

CarbohydrateQ2

Photosynthetic pigmentsQ2

ProlineQ2

ChlorophyllQ2

Abstract

Silicon is one of the beneficial elements for plants; recent studies have shown that this element plays a very important role in plant resistance to environmental stresses, including heavy metal stress. To evaluate the effect of silicon foliar spraying on increasing tolerance to lead contamination in dill (Anethum graveolens L) a factorial experiment based on completely randomized design with four replications was conducted in greenhouse condition in 2015-2016. Experimental factors included soil contamination by lead (0, 400, 600 and 1000 mg/kg soil) from (Pb (NO3)2 source and silicon (From Na₂ SiO₃ 5H2o source) levels 1 mM and control (spraying with water). During this experiment, traits such as plant height, plant dry weight, leaf number, lateral branch number, root dry weight, electrolyte leakage, leaf relative water content, Photosynthetic pigments, Proline, total Carbohydrates and catalase and peroxidase enzymes activity, concentration of lead and calcium concentration in the plant's shoot were measured. The results showed that lead stress had a significant reduction effect on the measured growth parameters of the plnat. The highest root dry weight, stem diameter, leaf relative water content was obtained in the control plants which were treated by 1 mM silicon. The highest value for Proline and Carbohydrates production, catalase and peroxidase enzymes activity were obtained by combination of spraying with 1 mM of silicon at under 1000 ppm lead contamination. In general, the results of this study showed that the foliar application of silicon can be advised for improving growth of dill plants under lead contamination stress conditions.

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APA: Copy

Rahbari, Akram, ESMAIELPOUR, BEHROOZ, Fatemi, Hamideh, & Soltani Toolarood, Ali Ashraf. (2019). Effect of silicon nutrition on growth, physiological and biochemical characteristics of dill (Anethum graveolens L) under Pb stress conditions. JOURNAL OF PLANT PROCESS AND FUNCTION, 8(30 ), 81-94. SID. https://sid.ir/paper/367721/en

Vancouver: Copy

Rahbari Akram, ESMAIELPOUR BEHROOZ, Fatemi Hamideh, Soltani Toolarood Ali Ashraf. Effect of silicon nutrition on growth, physiological and biochemical characteristics of dill (Anethum graveolens L) under Pb stress conditions. JOURNAL OF PLANT PROCESS AND FUNCTION[Internet]. 2019;8(30 ):81-94. Available from: https://sid.ir/paper/367721/en

IEEE: Copy

Akram Rahbari, BEHROOZ ESMAIELPOUR, Hamideh Fatemi, and Ali Ashraf Soltani Toolarood, “Effect of silicon nutrition on growth, physiological and biochemical characteristics of dill (Anethum graveolens L) under Pb stress conditions,” JOURNAL OF PLANT PROCESS AND FUNCTION, vol. 8, no. 30 , pp. 81–94, 2019, [Online]. Available: https://sid.ir/paper/367721/en

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