AsA	ascorbic acid
ABA	abscisic acid
ABC transporters	ATP-binding cassette transporters
APX	ascorbate peroxidase;
Cd	cadmium;
CAT	catalase;
GR	glutathione reductase
GSH	glutathione
GSHS	glutathione synthetase
HO−1	haem oxygenase−1
MAPK	mitogen-activated protein kinase
NPR1	Nonexpressor of PR1
NPT	non-protein thiols
PAL	phenylalanine ammonia-lyase
PCs	phytochelatins
POD	peroxidase
PPO	polyphenol oxidase
PSII	photosystem II
ROS	reactive oxygen species
SA	salicylic acid
SAT	serine acetyltransferase
SOD	superoxide dismutase