Table 1.

A summary of studies of plant resistance inducers (PRIs) in Solanaceae (see text for details).

Solanaceae Species	Plant	Inducer	Protection against	Organism	Reference
Capsicum annuum	Pepper	BABA	Colletotrichum coccodes	Fungus	[27]
Capsicum annuum	Pepper	BABA	Phytophthora capsici	Oomycete	[28,29]
Capsicum annuum	Pepper	Monopotassium phosphate	Powdery mildew	Fungus	[30]
Capsicum annuum	Pepper	Phosphite	Phytophthora capsici	Oomycete	[31]
Capsicum annuum	Pepper	Bacterial VOCs	Xanthomonas axonopodis	Bacteria	[32]
Capsicum annuum	Pepper	Biochar	Leveillula taurica	Fungus	[33]
Solanum lycopersicum	Tomato	BABA	Clavibacter michiganensis	Bacteria	[34,35]
Solanum lycopersicum	Tomato	BTH	Pseudomonas syringae	Bacteria	[36]
Solanum lycopersicum	Tomato	BABA	Ralstonia solanacearum	Bacteria	[37]
Solanum lycopersicum	Tomato	BABA, seed treatment	Oidium neolycopersici	Fungus	[38]
Solanum lycopersicum	Tomato	BABA	Phytophthora infestans	Oomycete	[39]
Solanum lycopersicum	Tomato	BTH	Botrytis cinerea	Fungus	[40]
Solanum lycopersicum	Tomato	SA	Ralstonia solanacearum	Bacteria	[41]
Solanum lycopersicum	Tomato	IAA	Fusarium oxysporum	Fungus	[42]
Solanum lycopersicum	Tomato	L-arginine, post-harvest	Botrytis cinerea	Fungus	[43]
Solanum lycopersicum	Tomato	Hexanoic acid	Pseudomonas syringae	Bacteria	[44]
Solanum lycopersicum	Tomato	Hexanoic acid	Botrytis cinerea	Fungus	[45]
Solanum lycopersicum	Tomato	bacterial Harpin protein	Phytophthora infestans	Oomycete	[46]
Solanum lycopersicum	Tomato	Chitosan	Ralstonia solanacearum	Bacteria	[47,48]
Solanum lycopersicum	Tomato	Biochar	Botrytis cinerea	Fungus	[33]
Solanum lycopersicum	Tomato	fructooligosaccharide	Botrytis cinerea	Fungus	[49]
Nicotiana tabacum	Tobacco	Zeatin	Pseudomonas syringae	Bacteria	[50]
Nicotiana tabacum	Tobacco	Sulfur	Tobacco mosaic virus	Virus	[51]
Nicotiana tabacum	Tobacco	BABA	Peronospora tabacina	Oomycete	[52]
Nicotiana tabacum	Tobacco	BABA	Tobacco mosaic virus	Virus	[53,54]
Nicotiana tabacum	Tobacco	Bacterial harpin protein	Tobacco mosaic virus	Virus	[55]
Nicotiana tabacum	Tobacco	PeaT1	Tobacco mosaic virus	Virus	[56]
Nicotiana tabacum	Tobacco	fructooligosaccharide	Tobacco mosaic virus	Virus	[57]
Nicotiana benthamiana	Tobacco relative	NUBS-4190	Phytophthora infestans	Oomycete	[58]
Solanum tuberosum	Potato	BABA	Fusarium solani	Fungus	[59]
Solanum tuberosum	Potato	BABA	Phytophthora infestans	Oomycete	[39,59,60,61,62,63,64,65,66,67,68,69]
Solanum tuberosum	Potato	SA	Dickeya solani	Bacteria	[70]
Solanum tuberosum	Potato	SBE	Phytophthora infestans	Oomycete	[71]
Solanum tuberosum	Potato	Aluminium	Phytophthora infestans	Oomycete	[72]
Solanum tuberosum	Potato	Curdlan	Phytophthora infestans	Oomycete	[73]
Solanum tuberosum	Potato	Linoleic acid	Phytophthora infestans	Oomycete	[74]
Solanum tuberosum	Potato	Oleic acid	Phytophthora infestans	Oomycete	[74]
Solanum tuberosum	Potato	Phosphite	Phytophthora infestans	Oomycete	[75,76,77,78,79,80,81]

BABA, β-aminobutyric acid; VOCs, volatiles organic compounds; BTH, benzothiadiazole; SA, salicylic acid; SBE, sugar beet extract; NUBS, a bis-aryl-methanone; IAA, indole acetic acid.