Table 6.

Performance of the top 16 progeny with cultivar release potential across sites and seasons ranked using mean storage root yield (YLD), dry matter (DM), starch (STCH) and β-carotene (BC) content, highlighted clones are candidate clones with preferred storage root yield, dry matter and β-carotene content in sub-Saharan Africa

Genotype	Mean				Ranke
	YLDa	DMb	STCHc	BCd	YLD	DM	STCH	BC
NKB216	48.4	29.0	71.9	9.7	1	138	30	187
NKB9	41.0	30.4	70.2	7.4	2	63	68	250
NKB254	40.4	24.3	52.4	29.1	3	285	285	3
NKB177	40.1	30.6	72.3	9.3	4	55	23	200
NKB168	38.8	29.1	70.8	8.7	5	134	50	218
NKB93	38.5	30.9	71.5	6.2	6	44	37	272
NKB21	38.3	29.4	72.6	9.7	7	112	22	188
NKB153	38.1	29.5	71.2	10.0	8	105	45	175
NKB105	37.9	28.5	68.6	14.0	9	178	113	94
NKB114	36.8	25.2	68.3	6.8	10	282	120	263
NKB15	36.5	28.1	62.2	20.7	11	208	235	31
NKB193	36.4	30.3	70.9	11.5	12	69	46	131
NKB3	36.1	28.0	63.5	17.8	13	213	219	56
NKB201	35.9	30.4	68.2	12.0	14	60	121	122
NKB5	35.8	29.7	73.1	5.5	15	100	19	280
NKB135	35.7	25.6	61.6	20.9	16	277	239	29

^aYLD = Genotype least significant mean storage root yield (t/ha) averaged over three sites and two seasons.

^bDM = Genotype least significant mean storage root dry matter content (%) averaged over three sites and two seasons.

^cSTCH = Genotype least significant mean storage root starch content (%) averaged over three sites and two seasons.

^dBC = Genotype least significant mean storage root β-carotene content (mg/100 g) averaged over three sites and two seasons.

^eRanking of 286 genotypes (284 progeny and 2 parents) in descending order for storage root yield, dry matter, β-carotene and starch content.