Page 56 - EER-2-2

Explora: Environment
and Resource Application of Algae for seed priming

Table 1. Algal species used as priming agents and their mode of action on higher plants
No. Name of algae Class Seed species Concentration Effect References
applied
1. Ulva rigida Ulvophyceae Triticum 12.5% and 25% Enhances salinity tolerance and acts as a plant 16
durum growth biostimulant
2. Ascophyllum nodosum Phaeophyceae Spinacia 0.15%, 0.30%, Enhance germination, seedling growth, and 17
oleracea 0.60%, and 1.2% antioxidant capacity
3. Kappaphycus alvarezi Florideophyceae Capsicum NA Improves germination percentage, mean 18
4. Gracilaria edulis frutescens germination time, vigor index, seedling weight,
and yield
5. Codium taylorii Ulvophyceae Raphanus NA Enhances salinity stress tolerance 19
6. Pterocladia capillacea Florideophyceae sativus
7. Ascophyllum nodosum Phaeophyceae Capsicum 1:1, 1:5, 1:10, 1:25, Improves seed quality and performance 33
annuum 1:50, 1:100, 1:250,
1:500, and 1:1000
8. Ascophyllum nodosum Phaeophyceae Lactuca sativa NA Enhances salinity stress tolerance 34
9. Sargassum angustifolium
10. Chlorella vulgaris Trebouxiophyceae
11. Arthrospira platensis Cyanophyceae
12. Ulva fasciata Ulvophyceae Vigna sinensis 20 g/L Improves salinity tolerance and acts as a plant 5
13. Cystoseira compress Phaeophyceae and Zea mays growth biostimulant
14. Laurencia obtuse Florideophyceae
15. Ulva lactuca Ulvophyceae Solanum 0.2%, 0.4%, and Increases seed germination and seedlings 35
16. Padina gymnospora Phaeophyceae lycopersicum 1.0% growth; reduces mean germination time;
improves seedling and vigor index; and increases
shoot and root length
17. Sargassum myriocystum Phaeophyceae Cajanus cajan 10%, 15%, 20%, Higher speed of germination, seedling length, 36
25%, and 30% fresh weight, dry weight, vigor index, and leaf
area
18. Ascophyllum nodosum Phaeophyceae Solanum NA Enhances yield and salinity tolerance 37
lycopersicum
19. Ascophyllum nodusum Phaeophyceae Allium cepa 0 ppm, 3500 ppm, Improves seed germination and seedling growth 38
4500 ppm, 5500
ppm, 6500 ppm,
and 7500 ppm
20. Cystoseira Phaeophyceae Nicotiana NA Enhances the activity of several antioxidant 24
myriophylloides benthamiana enzymes including catalase, ascorbate
21. Laminaria digitata peroxidase, guaiacol peroxidase, and polyphenol
oxidase; and reduces pathogen attack
22. Fucus spiralis
23. Chaetomorpha Chlorophyceae Lycopersicon NA Stimulates vegetative growth and yield 26
antennina esculentum
24. Halimeda opuntia Ulvophyceae Triticum 400 ppm Mitigates all harmful effects of lead stress 12
25. Codium fragile aestivum
26. Ascophyllum nodosum Phaeophyceae Tagetes erecta 5, 10, and 15 mL/L Enhances seed germination and seedling growth 39
and development
27. Ulva lactuca Ulvophyceae Solanum 0.2%, 0.4%, and Increases shoot length, root length, and root 14
28. Caulerpa sertularioides lycopersicum 1.0% weight; and acts as an effective biostimulant
29. Padina gymnospora Phaeophyceae
30. Sargassum liebmannii
(Cont’d...)

Volume 2 Issue 2 (2025) 3 doi: 10.36922/EER025120025