EW	Earlywood
LW	Latewood
SCWs	Secondary cell walls
CK	Cytokinin
BR	Brassinosteroid
GA	Gibberellin
ET	Ethylene
TFs	Transcription factors
DEGs	Differentially expressed genes
GO	Gene ontology
qRT-PCR	Real-time quantitative PCR
RLKs	Receptor-like kinases
UGD	Udp-glucose dehydrogenase
UXS	Udp-xylose synthase
PAL	Phenylalanine ammonia-lyase
C4H	Cinnamic acid 4-hydroxylase
4CL	4-coumarate-CoA ligase
HCT	Hydroxycinnamoyl transferase