Table 1.

Summary information of the RNA-Seq results for the two tree species.

Species	Tissue	Total reads	Mapped reads	Mapping rate%	Number of gene
Populus alba × P. glandulosa	xylem	50,995,164	48,644,287	95.39	44,561
	phloem	56,113,145	53,537,552	95.41	47,465
	leaf	50,995,164	48,751,377	95.60	48,091
Larix kaempferi	xylem	66,463,409	24,451,888	46.79	21,535
	phloem	77,166,823	31,954,781	41.41	22,986
	leaf	63,449,442	34,865,468	54.95	23,233