Supplementary Table 1. Degenerate primers for 3'-RACE

Name / Sequence (5' to 3')
P018 / ACTCTAGTCGACATCG
P038 / ATCAAG(AC)G(GC)ATCGAGAA
P041 / ATGAAG(AC)G(GC)ATCGAGAA
SP3 / ACA(AG)GTCAC(GT)TT(CT)TC(GT)AAGC


Supplementary Table 2. Primers for 5'RACE-sequence cloning. Gene-specific primers were designed to amplify the 5' ends of the MADS-box genes based on the 3'-RACE sequences.

Name / Sequence (5' to 3')
PgMADS1 / SP1 / CTC CCT TTT TTG AAG GTT GG
SP2 / GTA TCA TCA GTT GCA GTA CT
SP3 / CCC ATC ATA CTT TTC CAG
PgMADS2 / SP1 / GGC AAG CTG GTT GTT GTG GC
SP2 / AGC ATC AGT TGC ACC AAG
SP3 / GTA CCT CTC GTA CCT TTC C
PgMADS3 / SP1 / GTC CTT CTT CTG GAG TAG AG
SP2 / CTC AGT ATC TGT TGC AAC
PgMADS4 / SP1 / AGT CAG GGA GTC TAG ATC C
SP2 / AGC AGT ATC ATA ATT TGG AAC
SP3 / GGA GGA GTC GGT AGA ATA CTC
PgMADS6 / SP1 / GCA TGA GCT CTA TTT CTG C
SP2 / GCA GCT TGG AGG CTT CTT
SP3 / CGG ATA ATT CAT AGG CCT
PgMADS7 / SP1 / GGA GCG GAT TCT GCT AAT
SP2 / AGG AGA ATC CGA GTT TGC C
PgMADS8 / SP1 / GCA TGA GCT CGA TTT CAG
SP2 / CTG GGT GTT AGC TTC GGA
SP3 / CCT TCT TGA GCA ACC CAT
PgMADS9 / SP1 / TCA CCT TCA TCT TCC GTT CG
SP2 / TGT GAG CTC CAG AGA TCG A
SP3 / GAA GAG ACC GTT TCT TCG C

Supplementary Table 3. Specific primers used for RT-PCR analysis of the MADS-box genes

Name / Sequence (5' to 3')
PgMADS1 / Forward: CAA TTC TGG AAA AGT ATG ATG GG
Reverse: TCG AAC AAG GTG GAG CTT GAT AT
PgMADS2 / Forward: CTT GGT GCA ACT GAT GCT
Reverse: TAT TAA AGA AGG AAA TGG TGG
PgMADS3 / Forward: GTT GCA ACA GAT ACT GAG
Reverse: CAT CTT CTC CAG CTT GGT A
PgMADS4 / Forward: GTT CCA AAT TAT GAT ACT GCT
Reverse: GTA AGT AGT GCC ACC AAT
PgMADS5 / Forward: GGC ATG CAC AGA TTC CAA T
Reverse: AGG TTG CAG GCC ATT CAG TTG G
PgMADS6 / Forward: GCG TAT GCT GAT ACC TCC A
Reverse: AGC TTG GTA GGT GAC GAT CA
PgMADS7 / Forward: GCA AAC TCG GAT TCT CCT
Reverse: TGG TGC AAC CCA TCG ACT
PgMADS8 / Forward: GTG TGT GCT GAT TCC TCG
Reverse: CAT AGT CTG GTA CTC ATG AG
PgMADS9 / Forward: TAT ATC AGT CCT TCC ATC TCG AC
Reverse: CAA AGG TGG TGA GGT CTG ATC C
Actin / Forward: CGT GAT CTT ACA GAT AGC TTG ATG A
Reverse: AGA GAA GCT AAG ATT GAT CCT CC

Supplementary Table 4. Specific primers used for qPCR analysis of the MADS-box genes

Name / Sequence (5' to 3')
PgMADS1 / Forward: TGC CCC CAC CAT CAT TTA CTT
Reverse: TCC ATC TTC TTC TCT TAT GAC TCC
PgMADS2 / Forward: ATT TTA CCT CAG CCA CCA CCA
Reverse: CCC CAT CTC CTG TTA CTT GGA
PgMADS3 / Forward: ATC CTA TAT GCC ACA GCC ATT G
Reverse: GTG TTA GCT TGA TTT TGT TGC AGT
PgMADS4 / Forward: TTA TAT GCC ATC CTT CCT CTT ACC T
Reverse: GAA TAA ACA GGT TCA AGC GTT AGG T
Actin / Forward: ATG GTC AAG GCT GGA TTT GCA
Reverse: GAG CCT CAT ATC CAA CAT ATG C