Effect of Electric Shock Application and Hydropriming on Increasing Wheat Water Productivity under Different Salinity Levels

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AHMADIAN A.; MEHRJOO S.; SALARI A.

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Journal: Journal of Water and Soil Conservation Year:2020 | Volume:27 | Issue:1 Page(s): 127-144

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Title

Effect of Electric Shock Application and Hydropriming on Increasing Wheat Water Productivity under Different Salinity Levels

Author(s)

AHMADIAN A. | MEHRJOO S. | SALARI A. | Issue Writer Certificate

Keywords

Electric ShockQ1

Water ProductivityQ2

WheatQ3

Abstract

Background and Objectives: Although evidences suggest an increase in salinity and depletion of water and soil resources, the growing demand for food has made the use of unsuitable and unusable water quality unavoidable due to severe population growth and lack of quality water resources. Salinity affects the germination and seedling growth of plants through the toxicity of the elements, disruption of the absorption of the elements and the reduction of water potential. The establishment and germination stages are the most sensitive stages of plant growth to salinity and there are several methods to reduce the negative effects of soil and water salinity and increase the uniformity of emergence and ultimately yield of plants. Application of Electric Shock and hydropriming, respectively, are new and practical methods to increase salinity. Although, there is limited scientific information regarding the effects of Electric Shock on seed germination, seed priming is one of the most commonly used methods to reduce the negative effects of salinity. These methods induce initial resistance to salt stress. For this purpose, an experiment was conducted to investigate the effect of priming and Electric Shocks on germination and some of the initial vegetative traits of Wheat. Materials and Methods: The experiment was carried out in a factorial experiment with three replications in two separate experiments in the year of 2017 at the research site of Medicinal plants of Faculty of Agriculture, Torbat-e-Heydarieh University. Factors include seed primer at two levels (non-primer and primer with distilled water for 48 hours), Electric Shock at two levels (non-shock and Electric Shock with a voltage of 20 kW) and salinity with sodium chloride at three levels (zero, 200 and 400 mM). The field test was performed as a split factor in the form of a randomized complete block design in the 2016-2017 crop year at the Medicinal Plants Research Institute of the Faculty of Agriculture, Torbat-Heydariyeh University. Salinity stress treatments were applied as the main plot and shock levels and pre-treatment as a factor in the sub-plot. The treatments were similar to the germination test. Due to the fact that the water used to irrigate the saline farm was about two decimetres per meter, it was considered as a control treatment. Results: The results of analysis of variance showed that the effect of seed primer, induction of Electric Shock and salinity and their interaction at 1% level in all studied traits had a significant effect. The results of simple effects of three independent factors showed that the primitives of the seeds before cultivation increased all studied germination traits (other than germination speed). Field results indicated that traits were affected by different treatments of primer, shock and salinity. Seeds and application of Electric Shock caused a significant increase in the number of spikes per square meter, number of seeds per spike, 1000 seed weight, chlorophyll A, plant height, grain yield and biological yield, as well as harvest index of Wheat and increasing salinity levels significantly reduced these traits. The decrease in traits was higher due to increased salinity levels in non-primer-non-shock conditions compared to primer-induced shock conditions. Conclusion: The application of Electric Shock and hydropriming significantly increase the seed germination and primary growth of Wheat and so increase the competition power with weeds on lab. and in addition in farm conditions, Electric Shock and seed priming enhanced yield and its components, especially in salinity stress conditions.

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APA: Copy

AHMADIAN, A., MEHRJOO, S., & SALARI, A.. (2020). Effect of Electric Shock Application and Hydropriming on Increasing Wheat Water Productivity under Different Salinity Levels. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), 27(1 ), 127-144. SID. https://sid.ir/paper/369730/en

Vancouver: Copy

AHMADIAN A., MEHRJOO S., SALARI A.. Effect of Electric Shock Application and Hydropriming on Increasing Wheat Water Productivity under Different Salinity Levels. JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES)[Internet]. 2020;27(1 ):127-144. Available from: https://sid.ir/paper/369730/en

IEEE: Copy

A. AHMADIAN, S. MEHRJOO, and A. SALARI, “Effect of Electric Shock Application and Hydropriming on Increasing Wheat Water Productivity under Different Salinity Levels,” JOURNAL OF WATER AND SOIL CONSERVATION (JOURNAL OF AGRICULTURAL SCIENCES AND NATURAL RESOURCES), vol. 27, no. 1 , pp. 127–144, 2020, [Online]. Available: https://sid.ir/paper/369730/en

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