Direct comparison of MRI and X-ray CT technologies for 3D imaging of root systems in soil: potential and challenges for root trait quantification

Table 1 Root traits calculated from CT and MRI root images of the volumes shown in Figures 1 , 2 and 3

	Small pots (I.D. 34 mm)			Medium pots (I.D. 56)			Large pots (I.D. 81)
Measurement modality	CT	MRI	Win-RHIZO	CT	MRI	Win-RHIZO	CT	MRI
Total root length [mm]	2775	2910	4012	2787	4602	4855	6632	10496
Percent root length of WinRHIZO [%]	69	73		57	95

ISSN: 1746-4811