GR	genomic region
RL	total root length
RD	rooting depth
RM	root dry mass
RSR	root/shoot ratio
RSA1	root surface area (>0.25 mm diameter class)
RSA2	root surface area (<0.25 mm diameter class)
RDia	root diameter
RDCL1	root diameter class length (<0.25 mm)
RDCL2	root diameter class length (>0.25 mm)
SRL	specific root length
NNR	nodal root number per plant
SH	shoot height
NLP	leaf number per plant
HIF	heterogeneous inbred family
SSD	single seed descent
Mb	mega base pairs
Kb	kilo base pairs