Table 3.

. Pearson’s correlation (r) comparing relative gene expression in fruit at different fruit stages (20, 50, 90 dafb and ripe stages), and total transcript index with carotenoid concentration in apple fruit

Gene	Fruit skin		Fruit flesh
20	50	90	Ripe	Total transcript index	20	50	90	Ripe	Total transcript index
GGPPS	0.94**	–0.31	–0.02	–0.52	–0.02	–0.31	–0.22	0.06	–0.05	–0.23
PSY	0.38	–0.26	–0.58	–0.56	–0.57	–0.70	–0.21	–0.54	–0.62	–0.71
PDS	0.97**	–0.39	–0.77	–0.39	–0.41	–0.22	0.54	–0.23	0.12	–0.03
ZISO	0.94**	0.81*	0.53	0.13	0.86*	0.97***	0.48	–0.10	0.45	0.84*
ZDS	0.72	–0.26	–0.42	0.04	–0.04	0.35	0.50	–0.25	0.17	–0.02
CRTISO	0.85*	0.85*	–0.48	0.89*	0.90*	–0.24	0.58	0.84*	0.94**	0.82*
LCY-β	0.90*	–0.18	0.40	0.15	0.36	–0.19	–0.45	0.50	0.39	0.11
LCY-ε	0.66	0.52	0.99***	0.67	0.98***	–0.35	–0.15	0.97***	0.66	0.02
CRH-β	0.77	–0.15	0.54	–0.32	0.24	–0.04	0.64	0.71	0.51	0.40
CRH-ε	0.95**	0.07	0.51	0.87*	0.58	–0.57	–0.03	–0.04	–0.27	–0.68
ZEP	0.64	0.22	–0.31	–0.05	0.47	0.54	0.07	0.04	0.12	0.07

Highlighted values show statistically significant correlation. *P < 0.05; **P < 0.01; ***P < 0.001.