Stem Water Content for Crape Myrtle in Response to Drought, Cold, and Disease Stress

Table 2

Correlations between StWC and physiological parameters under unstressed conditions on a typical day in summer.

Variables		Physiological parameters
		Pn	Tr	Gs	Ci
StWC	Correlation coefficient	-0.8402	-0.8374	-0.8535	0.9457
	Significance probability	0.0003	0.0004	0.0002	0.0000
	Sample size	13	13	13	13

Pn: net photosynthetic rate; Tr: transpiration rate; Gs: stomatal conductance; Ci: intercellular CO₂ concentration.