Table 1 Twenty-one anatomical phenotypes measured or derived using VesselParser 2.0 on micro-CT scanned cross-section image

Stalk cross-section

 Principal axis diameter (mm)

PAD

 Auxiliary axis diameter (mm)

AAD

 Circumradius (mm)

CCR

 Section area (mm²)

SA

Vascular bundles

 Vascular bundle number

VB

 Vascular bundle number of peripheral layer

PVB

 Vascular bundle number of central 2nd layer

CVB-2

 Vascular bundle number of central 3rd layer

CVB-3

 Vascular bundle number of central 4th layer

CVB-4

 Vascular bundle total area in peripheral layer (mm²)

PA

 Vascular bundle total area in central 2nd layer (mm²)

CA-2

 Vascular bundle total area in central 3rd layer (mm²)

CA-3

 Vascular bundle total area in central 4th layer (mm²)

CA-4

 Vascular bundle area ratio of peripheral layer

PAR

 Vascular bundle area ratio of central 2nd layer

CAR-2

 Vascular bundle area ratio of central 3rd layer

CAR-3

 Vascular bundle area ratio of central 4th layer

CAR-4

 Vascular bundle average area (mm²)

MA

 Vascular bundle total area (mm²)

TA

 Ratio of vascular bundle total area and section area

Rsection

 Aspect ratio

AR