Feasibility of Nano-Urea and PGPR on Salt Stress Amelioration in Reshmi Amaranth (Amaranthus tricolor): Stress Markers and Enzymatic Response DOI Creative Commons
Mohssen Elbagory, Faizah Amer Altihani, Sahar El-Nahrawy

et al.

Horticulturae, Journal Year: 2025, Volume and Issue: 11(3), P. 280 - 280

Published: March 5, 2025

The present experiment aimed to examine the impact of nano urea (NU) and plant growth-promoting rhizobacteria (PGPR) on Reshmi amaranth (Amaranthus tricolor) growth under salt stress. Experiments were conducted using six different combinations NaCl, NU, PGPR for 35 days greenhouse conditions. results showed that salinity stress significantly (p < 0.05) reduced parameters, including shoot height, root length, fresh weight, leaf area. However, application NU PGPR, both individually in combination, enhanced physiological resilience saline + treatment yielded best improvements, with a height 42.25 cm, length 34.79 weight 61.69 g, indicating synergistic effect. Biochemical analysis NaCl lowered chlorophyll (0.25 mg/g fwt.) carotenoids (60.17 µg/100 g) disrupted ionic homeostasis by increasing Na⁺ accumulation while reducing K+ Ca2+ uptake. combined restored balance, 58.12 mg K⁺ levels 115.25 78.70 mg, respectively. Stress markers such as malondialdehyde (MDA) proline also significant reductions, antioxidant enzyme activities stabilized application. Thus, this study indicated mitigate salt-induced improving nutrient assimilation, promoting osmotic regulation, enhancing antioxidative defenses amaranth.

Language: Английский

The Physiological Mechanism of Exogenous Melatonin Regulating Salt Tolerance in Eggplant Seedlings DOI Creative Commons
Yu Zhang, Jia Li, Handong Wang

et al.

Agronomy, Journal Year: 2025, Volume and Issue: 15(2), P. 270 - 270

Published: Jan. 22, 2025

There is little study on melatonin’s ability to prevent salt damage in eggplants, despite the fact that it a strong antioxidant plants has been found help mitigate variety of adverse challenges. In this study, we used “Anhui Eggplant No.8” as test material and simulated stress by irrigating roots with 150 mmol·L NaCl solution. Subsequently, treated eggplants different concentrations exogenous melatonin (0, 50, 100, 150, 200, 250 μmol·L) assessed plant traits an array physiological biochemical indices following application observe impact stress. Our results indicate at concentration 200 μmol·L can significantly alleviate inhibition eggplant photosynthesis under increasing content chlorophyll leaves activity enzymes. This leads notable increase levels non-enzyme antioxidants osmotic regulatory substances. As result, capacity enhanced, degree membrane lipid peroxidation reduced, growth seedlings effectively promoted, thereby strengthening tolerance seedlings. Fluorescence quantitative data analysis indicates SmCAT4 indeed gene positively regulates However, SmPPO family, did not find any genes respond research provides theoretical foundation for improving yield productivity quality protected farming clarifying mechanism which controls

Language: Английский

Citations

2
Feasibility of Nano-Urea and PGPR on Salt Stress Amelioration in Reshmi Amaranth (Amaranthus tricolor): Stress Markers and Enzymatic Response DOI Creative Commons
Mohssen Elbagory, Faizah Amer Altihani, Sahar El-Nahrawy

et al.

Horticulturae, Journal Year: 2025, Volume and Issue: 11(3), P. 280 - 280

Published: March 5, 2025

The present experiment aimed to examine the impact of nano urea (NU) and plant growth-promoting rhizobacteria (PGPR) on Reshmi amaranth (Amaranthus tricolor) growth under salt stress. Experiments were conducted using six different combinations NaCl, NU, PGPR for 35 days greenhouse conditions. results showed that salinity stress significantly (p < 0.05) reduced parameters, including shoot height, root length, fresh weight, leaf area. However, application NU PGPR, both individually in combination, enhanced physiological resilience saline + treatment yielded best improvements, with a height 42.25 cm, length 34.79 weight 61.69 g, indicating synergistic effect. Biochemical analysis NaCl lowered chlorophyll (0.25 mg/g fwt.) carotenoids (60.17 µg/100 g) disrupted ionic homeostasis by increasing Na⁺ accumulation while reducing K+ Ca2+ uptake. combined restored balance, 58.12 mg K⁺ levels 115.25 78.70 mg, respectively. Stress markers such as malondialdehyde (MDA) proline also significant reductions, antioxidant enzyme activities stabilized application. Thus, this study indicated mitigate salt-induced improving nutrient assimilation, promoting osmotic regulation, enhancing antioxidative defenses amaranth.

Language: Английский

Citations

0