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. 2020 Oct 10;21(20):7460. doi: 10.3390/ijms21207460
GABA γ-aminobutyric acid
PEG-6000 polyethylene glycol-6000
SOD superoxide dismutase
CAT catalase
POD peroxidase
APX ascorbate peroxidase
DR dehydroascorbate reductase
GR glutathione reductase
MR monodehydroascorbate reductase
RWC relative water content
WUE water use efficiency
Pn net photosynthetic rate
EL electrolyte leakage
OP osmotic potential
OA osmotic adjustment
Chl total chlorophyll
TCA tricarboxylic acid
NO nitric oxide
NOA NO-associated protein
NR nitrate reductase
NiR nitrite reductase
Glu glutamate
GS glutamine synthetase
GOGAT glutamate synthase
GDH glutamate dehydrogenase
GAD glutamate decarboxylase
PGRs plant growth regulators
ROS reactive oxygen species
MDA malondialdehyde
O2 superoxide anion
H2O2 hydrogen peroxide