Validation and demonstration of a pericarp disc system for studying blossom-end rot of tomatoes

Table 1 Pearson correlation analysis (top value) and p value (bottom value) between enzyme activity and color measurements from HM4885 discs (n = 48).

	L*^a	a*^b	Ascorbate oxidase	Pyrogallol POX
L*	1	−0.873	− 0.362	− 0.423
		< 0.0001	0.0115	0.0027
a*	− 0.873	1	0.438	0.516
	< 0.0001		0.0019	0.0002
Ascorbate oxidase	− 0.362	0.438	1	0.5075
	0.0115	0.0019		0.0002
Pyrogallol POX	− 0.423	0.516	0.508	1
	0.0027	0.0002	0.0002

^aL* is a measure of lightness with black at 0 and white at 100,
^ba* is a measure of red to green coloration, with green in the negative direction and red in the positive direction

ISSN: 1746-4811