Effects of delayed winter pruning on vine performance and grape composition in cv. Merlot

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Table 3

Total and extractable flavonoids of Merlot vines pruned in different phenological phases. Data averaged over 2014-2016.

Treatment	Total Anthocyan ins (mg/kg)	Extractabl e Anthocyan ins (mg/ kg)	Total skin tannins (mg/kg)	Extractabl e skin tannins (mg/kg)	Skin-to- pulp ratio	Total seed tannins (mg/kg)	Extractabl e seed tannins (mg/kg)	Seed-to- pulp ratio
WP	1488	499	1003 b	480 b	0.179 b	1706 b	932 b	0.054 c
LP	1460	494	1050 b	484 b	0.192 a	1766 b	985 b	0.061 b
VLP	1564	525	1250 a	579 a	0.201 a	2120 a	1305 a	0.069 a
Significan ce	ns	ns	**	**	*	**	**	*
Year	*	*	**	**	*	**	**	*
T x Y	ns	ns	ns	ns	*	**	**	*

Different letters within a column indicate significant differences after Tukey test. Asterisks indicate significance at: * P < 0.05; ** P < 0.01 ; ns not significant.

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