Mapping QTL for Root and Shoot Morphological Traits in a Durum Wheat × T. dicoccum Segregating Population at Seedling Stage

Table 1

Details of all of the traits for which a QTL was identified in the present study.

Trait	Unit	Abbreviation
Crossing number	—	C
Shoot number per plant	—	Shoots
Plant height	cm	PH
Shoot dry weight	g	SDW
Root dry weight	g	RDW
Length	cm	L
Length, diameter class 0.0 < d ≤ 0.5 mm	cm	L1
Length, diameter class 0.5 < d ≤ 1.0 mm	cm	L2
Length, diameter class 1.0 < d ≤ 1.5 mm	cm	L3
Length, diameter class 1.5 < d ≤ 2.0 mm	cm	L4
Length, diameter class 2.0 < d ≤ 2.5 mm	cm	L5
Length, diameter class 2.5 < d ≤ 3.0 mm	cm	L6
Length, diameter class 4.0 < d ≤ 4.5 mm	cm	L9
Surface area	cm^2	SA
Surface area, diameter class 0.0 < d ≤ 0.5 mm	cm^2	SA1
Surface area, diameter class 0.5 < d ≤ 1.0 mm	cm^2	SA2
Surface area, diameter class 1.0 < d ≤ 1.5 mm	cm^2	SA3
Surface area, diameter class 1.5 < d ≤ 2.0 mm	cm^2	SA4
Surface area, diameter class 2.0 < d ≤ 2.5 mm	cm^2	SA5
Surface area, diameter class 2.5 < d ≤ 3.0 mm	cm^2	SA6
Surface area, diameter class 4.0 < d ≤ 4.5 mm	cm^2	SA9
Volume	cm^3	V
Volume, diameter class 0.0 < d ≤ 0.5 mm	cm^3	V1
Volume, diameter class 0.5 < d ≤ 1.0 mm	cm^3	V2
Volume, diameter class 1.0 < d ≤ 1.5 mm	cm^3	V3
Volume, diameter class 1.5 < d ≤ 2.0 mm	cm^3	V4
Volume, diameter class 2.0 < d ≤ 2.5 mm	cm^3	V5
Volume, diameter class 2.5 < d ≤ 3.0 mm	cm^3	V6
Volume, diameter class 4.0 < d ≤ 4.5 mm	cm^3	V9
Number of tips	—	T
Number of tips, diameter class 0.0 < d ≤ 0.5 mm	—	T1
Number of tips, diameter class 0.5 < d ≤ 1.0 mm	—	T2
Number of tips, diameter class 1.5 < d ≤ 2.0 mm	—	T4
Number of tips, diameter class 2.0 < d ≤ 2.5 mm	—	T5
Number of tips, diameter class 2.5 < d ≤ 3.0 mm	—	T6
Number of tips, diameter class 3.0 < d ≤ 3.5 mm	—	T7