Showing 4 results for Salicornia
Mohsen Abshenas, Mohammadali Esmaeili, Ayoub Heidarzade,
Volume 8, Issue 32 (10-2019)
Abstract
Due to increasing world population and consequently the further need to produce more food for humans and livestock, cultivation of saline soils for agriculture in arid and semi-arid areas is a conspicuous necessity. Salicornia plant with the scientific name Salicornia sp. which relate to Chenopodiceae family is a suitable option to introduce in those regions. This study aimed to investigate the effects of different levels of glycine betaine priming and foliar application on Salicornia plant resistance improving to different levels of salinity. In first stage, salinity treatment of sodium chloride (150, 300, 450 and 600 mM) as the first factor and glycine betaine in five levels (0, 30, 60, 90 and 120 mM) as the second factors were used. The second stage was sodium chloride treatment at three levels (150, 300 and 450 mM) and glycine betaines in three levels (0, 60 and 120 mM),as the first and second factors respectively. High levels of salinity in both stages delayed and suppressed germination and plant growth parameters of salicornia plant. Seed priming and glycine betaine foliar application reduced the negative effects of salinity on related indicators of germination as well as other traits. According to the results, seed priming with 90 and 120 mM glycine betaine and foliar application of 120 mM were the best treatments. In addition, the most suitable salinity levels for the growth and development of Salicornia were determined as 300 mM of sodium chloride. According to the results, the negative impacts of salinity (with NaCl) on germination and seedling growth parameters of Salicornia plant are well known, but seed priming and foliar application of glycinebetaine greatly reduces the negative effects of salt stress on germination-related indices and other studied traits in this experiment.
Key words: Free radicals, Germination, Glycine betaine, Salicornia, Salinity stress.
Tayebeh Ataei Nasab, Hamidreza Balouchi, Ali Moradi, Mohsen Movahhedi Dehnavi,
Volume 11, Issue 50 (12-2022)
Abstract
Germination and seedling establishment are sensitive and important stages in the life cycle of plants that are affected by abiotic stresses, especially drought and salinity stresses. This study was conducted to investigate the effects of osmotic potential (due to sodium chloride and polyethylene glycol) on germination and biochemical indices of Salicornia sinus-persica Akhani spec. nov.Akhani seeds in 2020 in the Agriculture Laboratory of Yasouj University of Agriculture in a completely randomized design with three replications of 50 seeds. A separate experiment was performed in which the first experiment consisted of 13 levels of osmotic potential (zero, -0.3, -0.6, -0.9, -1.2, -1.5, -1.8, -1.2, -2.4, -2.7, -3, -3.3 and -3.6 MPa) which were made of polyethylene glycol and the second experiment included 13 salinity stress levels with osmosis similar to the first experiment (zero, 62, 122, 187, 249, 311, 368, 435, 498, 560, 622, 684 and 746 mM) were used to make sodium chloride. The results showed that the trend of salicornia seed germination indices in salinity and drought stresses had a constant trend up to the level of about -1.2 (249 mM) and -0.6 MPa, respectively, and then with a decrease in the osmotic potential of germination percentage, root and stem length, root and shoot dry weight and seedling vigor length and weight index showed a decreasing trend so that the slope of this decreasing trend was higher in drought stress compared with salinity stress. From osmotic potential of 1.2 MPa onwards, in salinity thirst, seed biochemical parameters such as proline content, malondialdehyde content and sodium element increased whereas potassium element decreased and in drought stress, proline and malondialdehyde content showed an increasing trend. In general, Salicornia seeds were more sensitive to drought stress than salinity stress.
Zahra Akbari Fard, Masoume Maleki, Zahra Movahedi,
Volume 12, Issue 54 (7-2023)
Abstract
Salinity is one of the environmental stresses that has a negative effect on the growth process and its causes oxidative stress in plants. A factorial experiment was carried out in the form of a completely randomized design, in order to investigate the effect of SNP on reducing the oxidative stress of Salicornia Persica, under salt stress, with three repetitions. In this research, the effect of two levels of SNP (0 and 0.2 mM), three levels of salinity (0, 200, 500 microgram/ml sodium chloride) and three stages of harvest (1, 7 and 14 days) were evaluated. The results showed that the dry weight of aerial parts decreased with increasing salinity. The exception was an increase in salinity of 200. The positive effect of SNP was observed in salinity of 200 and 500. The content of relative water decreased with increasing salinity concentration and SNP caused the content of relative water increased at three levels of salinity. The amount of anthocyanin decreased with increasing salinity and SNP caused an increase in the amount of anthocyanin. Malondialdehyde increased with increasing salinity, and the application of SNP caused its decrease. The amount of phenol decreased with increasing salinity and SNP did not have a significant effect on phenol. However, the amount of flavonoids increased at 200 salinity compared to control and it’s decreased at 500 salinity. Salinity stress caused an increase in the amount of sodium and the application of SNP caused it’s to decrease. The amount of potassium increased at 200 and 500 salinity. The treatment of SNP caused an increase in the amount of potassium at 0 and 500 salinity. In general, it can be concluded that the treatment of SNP can increase Salicornia Persica Salinity tolerance.
Mahsa Sadat Khorsandi Moghadam, Masoume Maleki, Zahra Movahedi ,
Volume 13, Issue 64 (1-2025)
Abstract
Salinity stress is one of the most important environmental stresses limiting plant growth and performance. Salicornia persica is a species of Chenopodiaceae family; it is a halophyte and resistant to salinity. In addition, salicylic acid is known as an important molecule for the adaptation of plant responses to environmental stress. In the present study, the effect of salinity and salicylic acid on some morphophysiological traits of plants treated with three sodium chloride concentrations (zero, 200, and 500 ppm) and two salicylic acid concentrations (zero and 0.1 mM) and three harvest durations (1, 7, and 14 days) was investigated. This experiment was conducted as a factorial experimental design in the form of a completely randomized experimental design with three replicates. The initial results of the petridish trials showed that during salinity stress with increase in shoot length and decrease in the malondialdehyde levels compared to the control, the 0.1 mM salicylic acid treatment was more effective than other concentrations. The potting results showed that salinity stress caused a significant decrease in shoot and root dry weight. In addition, salt stress let to an increase in the amount of flavonoids and soluble sugars in most crops. The effect of salinity stress on the amount of pigments showed no particular trend. The amount of potassium increased at a salinity of 200 ppm and decreased at 500 ppm. The use of 0.1 mM salicylic acid increased the dry weight of the roots in all harvests. In addition, the use of salicylic acid increased the amount of chlorophyll b at salinity levels of 200 and 500 ppm. Also, the application of salicylic acid let to an increase in the amount of flavonoids at a salinity of 500 ppm, while the amount decreased at a salinity of 200 ppm. The application of 0.1 mM salicylic acid increased the content of potassium and soluble sugars in most harvests at 200 and 500 salinity levels. In general, the modulating effect of 0.1 mM salicylic acid on salinity stress was observed in Salicornia persica in most cases.
