Volume 10, Issue 42 (vol. 10, no. 42 2021)
2021, 10(42): 211-228 |
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Javadi F, Kalatejari S, Diyanat M, Asgari F. The effect of sodium selenate application method on ornamental violet (Viola wittrickiana cv. Queen Yellow Bee) under salinity stress. Plant Process and Function 2021; 10 (42) :211-228
URL: http://jispp.iut.ac.ir/article-1-1312-en.html
URL: http://jispp.iut.ac.ir/article-1-1312-en.html
1- Department of Agricultural Sciences and Food Industries, Science and Research Branch, Islamic Azad University, Tehran, Iran
2- , Department of Agricultural Sciences and Food Industries, Science and Research Branch, Islamic Azad University, Tehran, Iran
3- , Department of Agricultural Sciences and Food Industries, Science and Research Branch, Islamic Azad University, Tehran, Iran , Ma_dyanat@yahoo.com
2- , Department of Agricultural Sciences and Food Industries, Science and Research Branch, Islamic Azad University, Tehran, Iran
3- , Department of Agricultural Sciences and Food Industries, Science and Research Branch, Islamic Azad University, Tehran, Iran , Ma_dyanat@yahoo.com
Abstract: (1212 Views)
Salinity is one of the environmental factors limiting cultivation of ornamental violet (Viola wittrickiana cv. Queen Yellow Bee). This study was conducted as a factorial experiment in a completely randomized design with four replications at Islamic Azad University, Science and Research Branch in 2019. Studied factors were sodium selenate (0, 0.002, 0.004 and 0.008 mg/L), sodium selenate application (foliar application and soil application) and salinity stress (0 (control), 3 and 6 dS/m). The results showed that salinity significantly reduced flower height, flower number, stem diameter, flower diameter, fresh and dry flower weight, fresh and dry root weight, chlorophyll a and b. At salinity of 6 dS / m, the application of sodium selenate in soil increased the fresh and dry weight of flower by 11.34% and 10.39%, respectively, while the foliar application of sodium selenate increased fresh and dry weight of viola flowers by 25.10% and 25.41%, respectively. Chlorophyll a increased by 12.93%. in salinity of 6 dS / m with application of sodium selenate at 0.008 mg / l compared to control. In salinity stress of 6 dS / m superoxide dismutase enzyme reduced by 26.13%. when sodium selenate was used at 0.008 mg / l in comparison with control. Salinity stress increased the amount of chlorine and sodium in shoots and roots and decreased potassium. Foliar application of sodium selenate at 0.008 mg / L improved the growth of ornamental violet.
Type of Study: Research |
Subject:
Salt Stress
Received: 2019/09/17 | Accepted: 2021/01/9 | Published: 2021/07/12
Received: 2019/09/17 | Accepted: 2021/01/9 | Published: 2021/07/12
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