Comparison of isolated cells from different apple cultivars. Average size of cells compared to adjacent penetrometer readings. Light tones represent tissue from sun side, darker tones represent shade tissue. Black – (RG) 'Royal Gala', blue – (CP) 'Cripps Pink/Pink Lady™', red – (SR) 'SciFresh/Pacific Rose™', green – (BB) 'Braeburn', orange – (SF) 'Scifresh/Jazz™'. A Representative image of isolated cells from each of the cultivars is presented. Bars represent 200 μM.