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- Title
AMELIORATING THE TOXIC IMPACTS OF SALINITY ON SUDAN GRASS BY EXOGENOUS APPLICATION OF SEAWEED EXTRACT, AMINO ACIDS AND NUTRIENTS.
- Authors
AKBAR, A.; ZHAO, Q.; WEI, J.; SHAHZAD, S.; HANIF, A.; AL-KHAYRI, J. M.; KHADIM, U.; ALDAEJ, M. I.; AAMER, M.; SATTAR, M. N.; REZK, A. A.; ALMAGHASLA, M. I.; SHEHATA, W. F.; SHALABY, T. A.
- Abstract
A pot experiment was conducted to investigate the effect of seaweed, amino acid and nutrient solution on growth and physiological performance of Sudan grass growing under salinity stress. The experiment consisted of different levels of salinity stress 0 mM, 50 mM, 100 mM, 150 mM, 200 mM, and 250 mM and exogenous application of seaweed extract, amino acids and nutrients; control, soil application of seaweed extract, amino acids and nutrients and foliar application of seaweed extract, amino acids and nutrients. Soil application of seaweed, amino acid and nutrient solution was found best in ameliorating the toxic effect of salinity on root length, shoot fresh weight, root fresh weight, number of leaves, number of roots, number of tillers, leaf area, leaf width, leaf length, shoot dry weight and root dry weight. The same treatment also significantly improved in chlorophyll a, chlorophyll b, total chlorophyll, carotenoids, proline, phosphate and sulphate contents. On the other hand, foliar spray of seaweed extract, amino acids and nutrients resulted in maximum phenolics, flavonoids, nitrates, shoot potassium and calcium as compared to control. Hence, soil application of seaweed, amino acids and nutrient solution was found effective in mitigating salinity impacts.
- Subjects
SUDAN; AMINO acids; MARINE algae; EFFECT of salt on plants; SALINITY; MARINE plants; GRASS growing; ACID solutions
- Publication
Applied Ecology & Environmental Research, 2024, Vol 22, Issue 2, p1697
- ISSN
1589-1623
- Publication type
Article
- DOI
10.15666/aeer/2202_16971710