NO	nitric oxide
S-nitroso-MSA	S-nitroso-mercaptosuccinic acid
RSNOs	S-nitrosothiols
CS	chitosan
S-nitroso-MSA_NP	treatment with a nanoencapsulated NO donor (S-nitroso-mercaptosuccinic acid)
S-nitroso-MSA	treatment with a NO donor (S-nitroso-mercaptosuccinic acid) in the free form
MSA_NP	treatment with nanoparticles containing the non-nitrosated mercaptosuccinic acid
PSII	photosystem II
Fv/F0	potential activity of photosystem II
rETR	relative rate of the linear electron transport of photosystem II
A	net photosynthetic rate
g s	stomatal conductance
k	Instantaneous carboxylation efficiency
CD	conjugated dienes
SOD	superoxide dismutase
POD	peroxidase
APX	ascorbate peroxidase
CAT	catalase
RL	root length
RDW	root dry weight
SL	shoot length
SDW	shoot dry weight
LA	leaf area
PCA	principal component analysis
TEM	transmission electron microscopy
DLS	dynamic light scattering
PDI	polydispersity index
SNP	sodium nitroprusside