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. 2015 Mar 20;66(8):2347–2358. doi: 10.1093/jxb/erv074

Table 2.

Table of root phenes, their abbreviations (Abr), and their descriptions, divided into architectural and anatomical phenes

Abr Description
Architecture
Angle Ang Degrees from horizontal nodal root follows
Number # Number of nodal roots in whorl
Root diameter Diam Diameter of nodal root
Distance to branching DTB The distance from cut to first lateral emergence on nodal root
Lateral root density LRD Number of lateral roots within a centimetre of nodal root
Lateral root length LRL Average length of three lateral roots of nodal root
Anatomy
Cross-sectional area RXSA The total cross-sectional area of a nodal root
Cortical cell area CCA The total area of a nodal root composed of cortical cells
Percent aerenchyma %A The percentage of the cortical area occupied by aerenchyma
Cell files CF The number of cell files within the cortex
Cell size CS The average area of individual cortical cells
Stele area SA The total area of the stele
Metaxylem vessel number XV# The total number of metaxylem vessels
Metaxylem area vessel–1 XVA The average area of individual metaxylem vessels
Metaxylem area total XVT The total area of all metaxylem vessels