Volume 14, Issue 66 (vol. 14, no. 66 2025)
jispp 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. jispp 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: (1259 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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