Table 1. Correlation among different parameters of gas exchange and chlorophyll a fluorescence under low sink demand.

	P n	g s	C i/C a	Wk	RCQA	φ Po	φ Eo	ψ Eo
P n	1
g s	0.944**	1
C i/C a	−0.334**	−0.161	1
Wk	−0.717**	−0.609**	0.531**	1
RCQA	0.721**	0.623**	−0.447**	−0.909**	1
φ Po	0.610**	0.504**	−0.498**	−0.804**	0.862**	1
φ Eo	0.652**	0.555**	−0.555**	−0.797**	0.821**	0.889**	1
ψ Eo	0.613**	0.519**	−0.561**	−0.766**	0.757**	0.844**	0.989**	1

The asterisks **indicate a significant correlation at P<0.01.