TABLE 5.

Correlation matrices, values were expressed in Pearson Correlation values of “r” in a commercial Cabernet Sauvignon vineyard in Sonoma County, CA in 2016 and 2017^a,b.

		SWP Int	Deep EC	Shallow EC	TSS	Berry weight	Skin weight	TSA	Yield
2016	SWP Int		0.6***c	0.68***	−0.81***	0.46**	0.22	0.24	0.19
	Deep EC	0.6***		0.5**	−0.69***	0.03	0.07	0.24	0.17
	Shallow EC	0.68***	0.5**		−0.57***	0.25	0.22	0.27	0.06
2017	SWP Int		0.73***	0.59***	−0.83***	0.49**	0.49**	0.6***	0.20
	Deep EC	0.73***		0.5**	−0.68***	0.18	0.35*	0.53**	0.41*
	Shallow EC	0.59***	0.5**		−0.67***	0.51**	0.55**	0.39*	0.02

^adf = 33. ^bSWP Int: stem water potential integrals, EC: soil bulk electrical conductivity, TSS: total soluble solids, TSA: total skin anthocyanins. ^cAsterisks represents significant levels p: ***p < 0.001, **p < 0.01, *p < 0.05.