Fig. 4

Overexpression and suppression of PymiR156a. A Overexpression and suppression of PymiR156a in apple calli (i), and Green fluorescence detection (ii). B Overexpression and suppression of PymiR156a in Cv. “Zaosu”. C Overexpression of PymiR156a in Arabidopsis seedling. D Anthocyanin content in apple calli, inoculated pear skin and Arabidopsis seedling (nmol/100 mg fresh weight)