DT	Drought-tolerant cherry rootstock
DS	Drought-susceptible cherry rootstock
TCA cycle	Tricarboxylic acid cycle
DEGs	Differentially expressed genes
PPI	Protein−Protein Interaction
ABA	Abscisic acid
SG	Stress group
CG	Control group
LWC	Relative water content
FPKM	Fragments Per Kilobase of transcript per Million mapped fragments
GO	Gene Ontology
KOG/COG	euKaryotic 87tssOrthologous Groups/Clusters of Orthologous Groups
KEGG	Kyoto Encyclopedia of Genes and Genomes
qRT-PCR	Quantitative real-time PCR
GC-MS	Gas chromatography-mass spectrometer
RI	Retention time index
QC	Quality control
PCA	Principal component analysis
OPLS-DA	Orthogonal projections to latent structures-discriminant analysis
VIP	Variable importance in the projection
CDS	Coding sequence
TFs	Transcription factors