Fig. 11

µCT image of Fraxinus excelsior L. at the start of the dehydration experiment (a), and at the end of the dehydration experiment (b). Native embolized vessels (a), and non-embolized vessels (b) are respectively highlighted in red and blue (b). Resolution = 7.5 µm. c Stained 35-µm thick cross-section of a 2-year-old Fraxinus excelsior L. stem at the µCT scanning point showing from inward to outward pit, xylem, cambium and bark. The cross section had a total of 1100 vessels. Scale bar = 1 mm. Credit Dr. Olivier Leroux