Does Seaweed Extract as a Biostimulant Ameliorate Tomato Plant’s Salt Stress Tolerance ?
Sherif, F., Argeaa, H., Mostafa, A. (2025). Does Seaweed Extract as a Biostimulant Ameliorate Tomato Plant’s Salt Stress Tolerance ?. EKB Journal Management System, 46(1), 43-56. doi: 10.21608/asejaiqjsae.2025.409702
Fatma K. Sherif; Hoda Ahmad Argeaa; Aly Saied Mostafa. "Does Seaweed Extract as a Biostimulant Ameliorate Tomato Plant’s Salt Stress Tolerance ?". EKB Journal Management System, 46, 1, 2025, 43-56. doi: 10.21608/asejaiqjsae.2025.409702
Sherif, F., Argeaa, H., Mostafa, A. (2025). 'Does Seaweed Extract as a Biostimulant Ameliorate Tomato Plant’s Salt Stress Tolerance ?', EKB Journal Management System, 46(1), pp. 43-56. doi: 10.21608/asejaiqjsae.2025.409702
Sherif, F., Argeaa, H., Mostafa, A. Does Seaweed Extract as a Biostimulant Ameliorate Tomato Plant’s Salt Stress Tolerance ?. EKB Journal Management System, 2025; 46(1): 43-56. doi: 10.21608/asejaiqjsae.2025.409702

Does Seaweed Extract as a Biostimulant Ameliorate Tomato Plant’s Salt Stress Tolerance ?

Alexandria Science Exchange Journal
Article 4, Volume 46, Issue 1, March 2025, Page 43-56  XML PDF (579.38 K)
Document Type: Original Article
DOI: 10.21608/asejaiqjsae.2025.409702
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Authors
Fatma K. Sherif email 1; Hoda Ahmad Argeaa email 2; Aly Saied Mostafa email 3
1Soil and Water Sciences Dept., Agriculture College, Alexandria University.
2Higher Institute of science and technology. Elmerj
3soil and water Science Faculty of agricutural Alexandria Unversity
Abstract
Seaweed extracts are considered a promising strategy in reducing plant stress. A growth experiment was designed to study the effect of an alkali seaweed extract (SE) on the morphology, physiology, and biochemical parameters of tomato plant grown under salt stress. The experiment consisted of five salinity levels (0.6, 4, 8, 12, and 16 dSm-1), and four levels of SE (0.0, 1, 3, and 6%). Salt stress decreased significantly shoot and root fresh weight, shoot and root water content, chlorophyll, fruit length, and fruit yield. Seaweed extracts significantly ameliorated tomato’s growth. Sprayed SE has increased significantly morphological parameters evaluated. Indeed, salinity increased the antioxidant enzymes (superoxide dismutase) and resulted in the accumulation of proline and lycopene. The results of this study demonstrated that spraying SE ameliorate the negative effect of salt stress in tomato plants.
Keywords
Marine algae - oxidative and reducing enzymes - salt stress- tomato-proline; lycopene
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