TABLE 2.

Chemicals and application methodology for modulation of tomato leaf and fruit NO, ROS levels.

Pretreatment purpose	Tissue	Chemical	Source	Application method
H2O2 scavenger	Fruit	0.25 mM ascorbic acid	Sigma, St. Louis, MO, United States	Calyx syringe injection
	Leaves	2.5 mM ascorbic acid	Sigma, St. Louis, MO, United States	Abaxial syringe infiltration
NO scavenger	Leaves and fruit	0.22 mM 2-4-carboxyphenyl-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide (cPTIO)	Enzo Life Sciences, Farmingdale, NY, United States	Adaxial aerosol spray
NO elicitor	Leaves and fruit	0.5% Calcium Chloride (CaCl2)	Sigma, St. Louis, MO, United States	Adaxial aerosol spray