Table 3.

Relationship between some selected quality parameters of grape cv. Flame Seedless treated with different concentrations of salicylic acid during 75 days of cold storage (3–4 °C, 90–95 % RH) in two consecutive crop seasons of 2012 and 2013

Variables compared	Pearson correlation coefficient (r)
	2012	2013
Firmness vs. PLW	− 0.42**	− 0.59**
Firmness vs. PME	− 0.71**	− 0.68**
Firmness vs. MEL	− 0.83**	− 0.83**
Lightness vs. TAC	− 0.27**	− 0.37**
a* vs. TAC	0.62**	0.62**
Berry shatter vs. PLW	0.77**	0.79**
Decay incidence vs.PLW	0.71**	0.75**
Decay incidence vs.TPC	− 0.60**	− 0.58**
MEL vs. PME	0.63**	0.62**
PLW vs. MEL	0.44**	0.42**

PLW physiological loss in weight, PME enzymatic activity of pectin methyl esterase, MEL membrane electrolyte leakage, TAC total anthocyanin content, TPC total phenol content

^**Significant at P < 0.01