Optimization of Sargassum bovianum Extraction Techniques for Germination of Wheat, Canola, and Corn Under Different Salinity Stress

Seaweeds are a cheap, eco-friendly, and rich source of plant growth stimulators that can mitigate the adverse effects of salinity stress. This study examined the impact of Sargassum bovianum extracts obtained through different techniques using pressure, heat, and microwave radiations on the germinat...

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Published in:Agronomy (Basel) 2024-11, Vol.14 (11), p.2646
Main Authors: Derafshi, Mehdi, Hassani, Akbar, Amanifar, Setareh, Babaakbari, Mohammad, Hematimatin, Narges, Asgari Lajayer, Behnam, Astatkie, Tess, Price, G. W
Format: Article
Language:English
Subjects:
Abiotic stress
Alga
Algae
Alginates
Alginic acid
Amino acids
Canola
Corn
crop parameters
extraction technology
Fertilizers
Germination
Laboratories
Methods
Microwaves
Nutrients
Particle size
Plant extracts
Plant growth
polysaccharide
Polysaccharides
Pressure effects
Radiation
Saccharides
saline condition
Salinity
Salinity effects
Sargassum
Seaweeds
Seedlings
Seeds
Solvents
Stimulators
Sulfuric acid
Temperature
Wheat
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Summary:Seaweeds are a cheap, eco-friendly, and rich source of plant growth stimulators that can mitigate the adverse effects of salinity stress. This study examined the impact of Sargassum bovianum extracts obtained through different techniques using pressure, heat, and microwave radiations on the germination and growth of wheat, corn, and canola seeds under varying salinity levels (500, 3500, and 6500 µS cm−1). The findings showed that pressure, microwave, and acidic extraction methods were the most effective in extracting polysaccharides, alginate, and nutrients from S. bovianum. Seaweed extract significantly improved the mean germination time (MGT) and germination index (GI) of wheat under high salinity stress and had a positive effect on wheat plumule length (PL) and germination percentage (GP). However, seaweed extract had no significant impact on canola seeds in salinity stress, except for improved canola PL. The PL and seedling vigor index (SVI) of corn were enhanced in low salinity levels, but most treatments reduced PL and SVI in high salinity. This study suggests that using heat, pressure, and microwave techniques for seaweed extraction results in higher polysaccharides and alginate content, leading to improved germination and plant growth, particularly in wheat and canola. These findings can help growers optimize the germination and growth of these important crops.
ISSN:2073-4395
2073-4395
DOI:10.3390/agronomy14112646