Volume 14, Issue 66 (vol. 14, no. 66 2025)
2025, 14(66): 227-244 |
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Mostafavi N, Kiarostami K, Sorahinobar M. Effect of allantoin on some morphological and physiological traits of hyssop (Hyssopus Officinalis L.) under salt stress and hydroponic cultivation. Plant Process and Function 2025; 14 (66) : 14
URL: http://jispp.iut.ac.ir/article-1-2131-en.html
URL: http://jispp.iut.ac.ir/article-1-2131-en.html
1- Department of Plant Sciences, Faculty of Biological Sciences, Alzahra University, Tehran, Iran
2- Department of Plant Sciences, Faculty of Biological Sciences, Alzahra University, Tehran, Iran ,kh.kiarostami@alzahra.ac.ir
2- Department of Plant Sciences, Faculty of Biological Sciences, Alzahra University, Tehran, Iran ,
Abstract: (9 Views)
Given the limited availability of arable land and the prioritization of food crops, cultivating medicinal plants on saline soils presents a viable alternative. To investigate allantoin's influence on hyssop (Hyssopus officinalis L.) growth and physiology under salt stress, a factorial experiment was conducted in hydroponic systems at Al-Zahra University. The treatments consisted of three salinity levels (0, 100, and 200 mM sodium chloride) and three allantoin levels (0, 0.1, and 1 mM). Salinity, especially at 200 mM, significantly reduced shoot dry weight (41.52%), relative leaf water content (30.83%), chlorophyll fluorescence (29%), total chlorophyll (43.5%), protein (27%), and polysaccharide sugar (32%) contents compared to the control. Ion leakage (2.9-fold) and proline content (1.6-fold) increased under stress conditions compared to the control. Application of 0.1 and 1 mM allantoin at different salinity levels improved some physiological characteristics compared to the control. In particular, 0.1 mM allantoin concentration under 200 mM salinity stress significantly mitigated ion leakage (40.20%) and increased total chlorophyll content (65.8%), relative leaf water content (30.52%), chlorophyll fluorescence (27.83%), protein (70.47%), proline (30.24%), anthocyanin (34.55%) contents, antioxidant capacity (15.07%), reducing sugar (34.4%), and polysaccharide sugar (24.64%) contents compared to the control. These findings suggest that allantoin can alleviate the detrimental effects of salt stress by bolstering plant physiological responses. Consequently, allantoin application is proposed as a sustainable and environmentally friendly approach to increase hyssop's salinity tolerance.
Article number: 14
Type of Study: Research |
Subject:
Salt Stress
Received: 2024/10/19 | Accepted: 2025/01/21 | Published: 2025/06/22
Received: 2024/10/19 | Accepted: 2025/01/21 | Published: 2025/06/22
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