Table 1 PtSPL gene names and gene model IDs in the Populus genome assembly v1.1, v2.2 and v3.0

PtSPL1

GW1.X.791.1

POPTR_0010s16370

Potri.010G154000

PtSPL2

FGENESH4_PM.C_LG_II000008

POPTR_0002s00440

Potri.002G002400

PtSPL3

ESTEXT_FGENESH4_PM.C_LG_X0096

POPTR_0010s02710

Potri.010G026200

PtSPL4

ESTEXT_FGENESH4_PM.C_LG_VIII0830

POPTR_0008s20160

Potri.008G197000

PtSPL5 ^a

GRAIL3.0010027501 ^b + GRAIL3.0010027301^b + GRAIL3.0010027401^b

POPTR_0008s09810

Potri.008G098600

PtSPL6 ^a

ESTEXT_GENEWISE1_V1.C_LG_XIV2145^b + GW1.XIV.2149.1^b

POPTR_0014s10960

Potri.014G114300

PtSPL7 ^a

GRAIL3.0050015101^b + GW1.8978.5.1^b + GW1.II.489.1^b

POPTR_0002s18970

Potri.002G188700

PtSPL8

FGENESH4_PG.C_LG_II001303

POPTR_0002s14330

Potri.002G142400

PtSPL9 ^a

EUGENE3.00051637^b + EUGENE3.00051638^b

POPTR_0005s28010

Potri.005G258700

PtSPL11

GRAIL3.0047015901^b

POPTR_0003s17120

Potri.003G172600^b

PtSPL12

GRAIL3.0010026901

POPTR_0008s09750

Potri.008G097900

PtSPL13

FGENESH4_PG.C_LG_X001404

POPTR_0010s16400

Potri.010G154300

PtSPL14

ESTEXT_GENEWISE1_V1.C_LG_XV2187

POPTR_0015s11100

Potri.015G098900

PtSPL15

EUGENE3.00120942

POPTR_0012s10260

Potri.012G100700

PtSPL16

ESTEXT_GENEWISE1_V1.C_1240186

POPTR_0011s05480

Potri.011G055900

PtSPL17 ^a

EUGENE3.00160416

POPTR_0016s04880^b + POPTR_0016s04890^b

Potri.016G048500^c

PtSPL18

GW1.I.7783.1^b

POPTR_0001s13630

Potri.001G058600

PtSPL19

GW1.I.7690.1^b

POPTR_0001s13890

Potri.001G055900

PtSPL20

GW1.107.39.1^b

POPTR_0001s40870

Potri.001G398200

PtSPL21

GW1.II.3778.1^b

POPTR_0002s14320

Potri.002G142200

PtSPL22

GW1.III.2396.1^b

POPTR_0003s16780

Potri.003G169400

PtSPL23

GW1.IV.3037.1^b

POPTR_0004s04630

Potri.004G046700

PtSPL24

GW1.VII.548.1^b

POPTR_0007s01030

Potri.007G138800

PtSPL25

GW1.XI.3794.1^b

POPTR_0011s11770

Potri.011G116800^d

PtSPL26

GW1.40.81.1^b

POPTR_0014s05680

Potri.014G057700

PtSPL27

GW1.40.76.1^b

POPTR_0014s05690

Potri.014G057800

PtSPL28

GW1.129.152.1^b

POPTR_0015s07140

Potri.015G060400

PtSPL29

GW1.164.76.1^b

POPTR_0018s14680

Potri.018G149900