Ulvans are water-soluble sulfated heteropolysaccharides obtained from the cell walls of green marine macroalgae of genus Ulva. Ulva, popularly known as “sea lettuce,” is widely present worldwide and has been used in human food, medicine, and agriculture. In agriculture, ulvans are used to protect plants against a broad range of pathogens under field conditions. (Hatem Boubakri,
Chapter 5 - Induced resistance to biotic stress in plants by natural compounds: Possible mechanisms,
Editor(s): Mohammad Anwar Hossain, Fulai Liu, David J. Burritt, Masayuki Fujita, Bingru Huang,
Priming-Mediated Stress and Cross-Stress Tolerance in Crop Plants,
Academic Press,
2020,
Pages 79-99,
ISBN 9780128178928,
https://doi.org/10.1016/B978-0-12-817892-8.00005-2)