Effect of foliar application of silicone on biochemical traits and yield of two wheat cultivars under late season drought stress conditions

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Rezabeigi S.; BIJANZADEH E.; BEHPOURI A.; BARATI V.

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Journal: Environmental Stresses in Crop Sciences Year:2020 | Volume:13 | Issue:3 Page(s): 829-843

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Title

Effect of foliar application of silicone on biochemical traits and yield of two wheat cultivars under late season drought stress conditions

Author(s)

Rezabeigi S. | BIJANZADEH E. | BEHPOURI A. | BARATI V. | Issue Writer Certificate

Keywords

CatalaseQ2

Chamran cultivarQ1

PeroxidaseQ1

Photosynthetic pigmentsQ1

Abstract

In order to investigate the effect of silicon application on biochemical traits and yield of wheat cultivars under late season drought stress conditions, a field experiment was conducted as split factorial experiment in a completely randomized block design in 2017-2018 growing season. Experimental treatments consisted of drought stress in two levels included normal irrigation and drought stress at the end of flowering, silicon (Si) spraying at 0, 1, 2, and 3 mM and two wheat cultivars (Chamran and Shabrang). Results showed that the main effects of late season drought stress, cultivar and silicon, had a significant effect on chlorophyll a and b contents, Peroxidase and Catalase enzymatic activity, and grain yield. Under drought stress, application of 3mM Si increased 44 and 41% of chlorophyll a and b contents compared to no application of Si, respectively. Also, enzymatic activity of Peroxidase and Catalase increased 35 and 52% at 3mM Si and drought stress conditions, respectively. Under drought stress and no application of Si, chlorophyll a and b contents reduced 55 and 58%, respectively. In Chamran cultivar, foliar application of Si at 3 mM increased chlorophyll a and b contents, and Peroxidase and Catalase activities as 54. 9, 37. 8, 44. 8, and 46. 7% respectively, so that caused 19. 7% increase in grain yield compared to Shabrang cultivar. Overall, foliar application of 3 mM silicon by improving biochemical characteristics of wheat can play a main role in grain yield increasing especially under drought stress conditions.

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APA: Copy

Rezabeigi, S., BIJANZADEH, E., BEHPOURI, A., & BARATI, V.. (2020). Effect of foliar application of silicone on biochemical traits and yield of two wheat cultivars under late season drought stress conditions. ENVIRONMENTAL STRESSES IN CROP SCIENCES, 13(3 ), 829-843. SID. https://sid.ir/paper/389228/en

Vancouver: Copy

Rezabeigi S., BIJANZADEH E., BEHPOURI A., BARATI V.. Effect of foliar application of silicone on biochemical traits and yield of two wheat cultivars under late season drought stress conditions. ENVIRONMENTAL STRESSES IN CROP SCIENCES[Internet]. 2020;13(3 ):829-843. Available from: https://sid.ir/paper/389228/en

IEEE: Copy

S. Rezabeigi, E. BIJANZADEH, A. BEHPOURI, and V. BARATI, “Effect of foliar application of silicone on biochemical traits and yield of two wheat cultivars under late season drought stress conditions,” ENVIRONMENTAL STRESSES IN CROP SCIENCES, vol. 13, no. 3 , pp. 829–843, 2020, [Online]. Available: https://sid.ir/paper/389228/en

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