Figures (7)  Tables (1)

    • Figure 1. 

      Effects of MT treatments at different concentrations on (a) fruit firmness and (b) flesh firmness of blueberry fruit during room temperature storage. Significant differences among treatments are marked with * (p < 0.05) and ** (p < 0.01).

    • Figure 2. 

      Effects of exogenous MT on (a) protopectin, (b) soluble pectin, and (c) activities of PG, (d) β-Gal, (e) β-Glu, and (f) Cx of blueberry fruit during room temperature storage. Significant differences among treatments are marked with * (p < 0.05) and ** (p < 0.01).

    • Figure 3. 

      (a)–(g) Expression of cell wall metabolism-associated genes in blueberry fruit during ambient storage. Significant differences among treatments are marked with * (p < 0.05) and ** (p < 0.01).

    • Figure 4. 

      Effects of exogenous MT on (a) endogenous ABA content, (b1)–(b4) ABA biosynthesis-related genes, (c) catabolism-related genes, and (d1)–(d5) ABA signal transduction genes of blueberry fruit during room temperature storage. Significant differences among treatments are marked with * (p < 0.05) and ** (p < 0.01).

    • Figure 5. 

      Correlation analysis between ABA, firmness, and cell wall metabolic enzymes in blueberries.

    • Figure 6. 

      Effects of exogenous MT on (a) endogenous IAA content, and (b1)–(b6) IAA signal transduction genes in blueberry fruit during room temperature storage. Significant differences among treatments are marked with * (p < 0.05) and ** (p < 0.01).

    • Figure 7. 

      Interaction between exogenous MT and abscisic acid.

    • Gene Forward primer (5'–3') Reverse primer (5'–3')
      Actin ACTACCATCCACTCTATCACCG AACACCTTACCAACAGCCTTG
      VcPG1 ACCACCAACCGCATTA AAGCGTCAGGTGAGTAAG
      VcPG3 GCTATGGCATTACAAAGACAA CCATGAATGGTACTGGTGGA
      Vcβ-Gal CTTCTCTCTCTTCTCGCCGC CGAATGCCTTTGCCCTCAAC
      Vcβ-Glu TCGACCGAAGCGTCGCTACT GTCCACCATGTCCGCCCAA
      VcCx1 CGCGTTCAGCCTTTACCTTA TTCGCCAGTCGCTATCCCCT
      VcPE CCGACCTCTCCGCCTTCT CGCCTTCACCGGTTTCAA
      VcPL CGATGGGCTGATTGATGC TGCCTTGGCTGTTGATGGT
      VcNCED1 GATTTCCCTCCAACAGCCTACT CGGACATCTTGAACACCACCT
      VcNCED6 CATCAGGTGGTGTTCAA GACTCGTCCGTATCATTT
      VcZEP1 CGGCCCGATTCAACTCCT TCCGGTCTCCGGTAACAC
      VcAAO3 TGGACAAGAGGGCTACCG GCTGGCTGGACATTTGAG
      VcCYP707A TATGAATTGGGCGGTAGG AAAGCGATTATGGGAACG
      VcPYL TTGATGACGAGGAACA CAACCGCTCAGATACA
      VcSnRK2 CACGCTGTTGGATGGA TGGTTGGTGAGCCTTG
      VcABF CGGTGACTGCCATTAG CCCTCCATTCCCATAC
      VcABI5 ATTGGGCGTGTTCGTC TTTGCTCCCTTTCTCG
      VcPP2C TGGTGGAGGAGTCAGGGAT TAGGGTGATTGCGAAT
      VcTIR1 GCTTCGTTCCTCTATCTCCCTG GCCCTCCAATCCCTTGTCTT
      VcARF1 ATGCTGAATCCGATGGGTAT CCGCAGAGTTCGCCTTTA
      VcIAA9 ATGTCTCCACCACGGATAGG GGGAACCAGGTAGACCAAGC
      VcIAA27 AAAGGCACAGGTAGTGGGATG GGGCTGATGAAAGTTGGAC
      VcGH3.1 TTATCGGCTCATCCCATCT GGTCTTTGTCTCGGACTTCAC
      VcSAUR GCCAAGTCCCTCTGCTGTTC AGTCGCCGTCTTTCTGTCCC

      Table 1. 

      Primers for real-time q-PCR assays.