Volume 11, Issue 47 (Vol. 11, No. 47 2023)
2023, 11(47): 323-339 |
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Beiramnvand F, Zahedi B, Rezaei Nejad A. Investigation of the effect of selenium foliar application on morphophysiological and biochemical characteristics of ornamental salvia under irrigation regime. Plant Process and Function 2023; 11 (47) : 20
URL: http://jispp.iut.ac.ir/article-1-1525-en.html
URL: http://jispp.iut.ac.ir/article-1-1525-en.html
1- Department of Horticultural Sciences, Faculty of Agriculture, Lorestan University, Khorramabad, Iran
2- Department of Horticultural Sciences, Faculty of Agriculture, Lorestan University, Khorramabad, Iran , Zahedi.b@lu.ac.ir
2- Department of Horticultural Sciences, Faculty of Agriculture, Lorestan University, Khorramabad, Iran , Zahedi.b@lu.ac.ir
Abstract: (1186 Views)
Due to climate changes, deficiency of water resources and the importance of the cultivation of ornamental plants in green space, in order to better water management and increased tolerance to water deficit-stress, the present experiment was designed to investigate the effect of selenium foliar application on reducing the negative effects of irrigation regime on some morphophysiological and biochemical characteristics of scarlet sage. Factorial experiment based on completely randomized design with three levels of irrigation regimes (discharge after 10 (water control), 20 and 30 percent moisture of field capacity) and four levels of sodium selenate (0, 0.5, 1 and 1.5 μM) were performed in greenhouse conditions. The experimental results showed that the irrigation regime levels of 20 and 30 percent decreased plant height, leaf area, and relative leaf water content and increased electrolyte leakage and malondialdehyde concentration. Application of selenium at concentrations of 0.5 and 1 μM increased the activity of antioxidant enzymes such as catalase, ascorbate peroxidase, peroxidase and the relative content of leaf water and the concentration of photosynthetic pigments and decreased the concentration of malondialdehyde and ion leakage. However, selenium at a concentration of 1.5 μM had a negative effect on the mentioned characteristics. In general, the results showed that deficiency of water has a negative effect on the growth and development of ornamental salvia plants. Selenium in different conditions of irrigation regime at low concentrations improved the vegetative and reproductive growth of ornamental salvia plants, but at higher concentrations had a negative effect on these parameters.
Article number: 20
Keywords: Ascorbate peroxidase, Flowering period, Garden plants, Irrigation regime, Relative water content, Selenium
Type of Study: Research |
Subject:
Horticulture
Received: 2021/04/10 | Accepted: 2021/10/11 | Published: 2022/05/16
Received: 2021/04/10 | Accepted: 2021/10/11 | Published: 2022/05/16
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