Figures (4)  Tables (2)
    • Figure 1. 

      Characteristics of single and semi-double flower carnations. (a) 'Peach Party' (single flower, pink), (b) 'Pink Star' (semi-double flower, pink), (c) 'Purple Star' (semi-double flower, purple), (d) 'Oscar' (semi-double flower, red). Scale bars = 1 cm.

    • Figure 2. 

      Sequence polymorphisms of A-class and C-class genes in SF and SDF cultivars. (a) Amino acid substitutions in AGa. (b) Amino acid substitutions in AGb. (c) Sequence covering miR172 bind site of AP2.

    • Figure 3. 

      Expression analysis of ABCE model genes in different floral organs.

    • Figure 4. 

      The regulation network of flower formation in carnation.

    • Flower typeAccessionsSepal
      number
      Petal
      number
      Stamen
      number
      SinglePeach Party5.00 ± 0.005.00 ± 0.0010.00 ± 0.00
      Semi-doublePink Star5.00 ± 0.0029.00 ± 3.305.20 ± 2.30
      Semi-doublePurple Star5.00 ± 0.0029.20 ± 3.334.90 ± 3.14
      Semi-DoubleOscar5.00 ± 0.0026.00 ± 2.794.30 ± 2.06

      Table 1. 

      Statistics of floral organs of the four cultivars.

    • GeneApplicationForward primerReverse primer
      AGacloningATGGAATTTTCAAGCCAAATAACTAGGCCAAACACCTCTTCAACTTGTTTGA
      AGbcloningATGGAGTTTTCAAGCCAAATTACAAACTCCTCTCCAACTTGTGTAA
      AP2cloningTGGTACGCCTGATGAAACGAATGCCCCCTAATGGTTTCCAC
      DcUbq3–7RT-qPCRGTTGTTGGTTTCAGGGCTGGTTTGCTACGGTAATTGAGAATTCACACCGAAATG
      AGaRT-qPCRATGCTAATCATAGCGTGAAGGGTTGGCTTCGGCAACAGA
      AGbRT-qPCRCCTCAAGCCAAAGGAAGCTAACCCATTTCTTCTCTTGCAG
      AP1RT-qPCRTAGGTCAAGATTTGGATACGCTATCTAATGTGTTTGAGGCCG
      AP2RT-qPCRCGCGTATGGGTCAATTTCTAATTAGTAACCGCATCCTTCC
      AP3RT-qPCRGTCTGCTCGCTCTCAGATTGTAAGTCGTGACACACGAT
      PIRT-qPCRCTTCGGTTGAAGAAATCCTAGAGGCTGAGATTTTCATGTTTTGC
      SEP1RT-qPCRGCAGCAAACATGGGAAGGGTCAATGGGCTGGAAAAGAG
      SEP3RT-qPCRTGATAGAAGCAAATCAAGCGACGTGAAAGAAGACATGGTCTCC

      Table 2. 

      Primer sequence for gene cloning and expression analysis used in this study.