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

Figure 5

Responses of VPD, PAR, and StWC to temperature stress. (a) Periodic variation rules of VPD, PAR, and StWC in warm weather. (b) Periodic variation rules of VPD, PAR, and StWC in cold weather.

(a)

(b)