Role of Elicitors in Inducing Resistance in Plants against Pathogen Infection: A Review

Table 1

List of various types of plant elicitors.

Type of elicitors and their examples
Physical elicitors	Injury
Chemical elicitors	Abiotic elicitors: Metal ions
	Biotic elicitors:
	(1) Complex composition	(2) Defined composition
	Yeast cell wall, mycelia cell wall, and fungal spores	(2.1) Carbohydrates
		Polysaccharides:	Oligosaccharides:
		Alginate, pectin, and chitosan	Mannuronate, guluronate, mannan, and galacturonides
		(2.2) Proteins
		Peptides:	Proteins:
		Glutathione	Cellulase and oligandrin
		(2.3) Lipids
		Lipopolysaccharides
		(2.4) Glycoproteins
		Not characterized
		(2.5) Volatiles
		C6–C10 compounds