Table 2. Random-effect multiple interval mapping (REMIM) of yield-related traits from ‘Beauregard’בTanzania’ (BT) full-sib family.

Trait	QTL	LG	Position (cM)	Score	P-value	${\sigma }_q^2$	$h_q^2$ (%)
NOCR	1	1	137.60 (99.43–152.87)	222.89	9.35 × 10−6	0.0622	13.70
	2	3	20.18 (0.00–49.27)	172.52	1.37 × 10−4	0.0996	21.93
NONC	1	1	142.07 (128.08–159.30)	207.83	1.42 × 10−5	0.0447	10.11
	2	3	13.11 (0.00–51.33)	165.75	1.07 × 10−4	0.0420	9.50
	3	10	102.26 (96.50–113.55)	267.28	3.40 × 10−7	0.0647	14.63
	4	15	67.20 (39.10–78.04)	247.92	1.33 × 10−6	0.0661	14.95
TNR	1	1	140.43 (128.08–152.87)	251.13	7.36 × 10−7	0.1789	10.97
	2	3	20.18 (13.11–43.69)	279.18	1.42 × 10−7	0.3595	22.04
	3	10	165.43 (102.26–187.27)	192.09	2.69 × 10−5	0.1467	8.99
	4	15	78.04 (35.50–119.08)	207.07	1.34 × 10−7	0.2131	13.06
CYTHA	1	15	5.34 (0.00–34.27)	242.24	5.62 × 10−6	6.3128	19.93
RYTHA	1	15	5.34 (0.00–35.50)	226.56	1.32 × 10−5	6.9177	18.97
FYTHA	1	10	29.09 (16.12–134.37)	203.16	4.4 × 10−5	2.1077	14.78

Linkage group (LG), map position (in centiMorgans) and its ∼95% support interval (within parenthesis), score statistic and its corresponding P-value, variance $\left({\sigma }_q^2\right),$ and heritability ($h_q^2$, in percentage) of mapped QTL using resampling-based genome-wide significance P-value threshold of 0.05 (backward elimination)

Trait abbreviations: number of commercial (NOCR), noncommercial (NONC) and total (TNR) roots per plant, commercial (CYTHA), noncommercial (NCYTHA) and total (RYTHA) root yield in t ha⁻¹, foliage yield (FYTHA) in t ha⁻¹, and commercial index (CI).