Extract Acts as Biostimulant and Modulates Metabolites and Hormone Balance in Basil ( L.) and Parsley ( L.).

Natural elicitors from macroalgae may affect plant secondary metabolites. Ulvan is a sulfated heteropolysaccharide extracted from green seaweed, acting as both a plant biotic protecting agent, and a plant elicitor, leading to the synthesis of signal molecules. In this work, the aqueous extract of L.