Genomic characterization of a core set of the USDA-NPGS Ethiopian sorghum germplasm collection: implications for germplasm conservation, evaluation, and utilization in crop improvement

Table 1 Distribution of sorghum races present in the Ethiopian collection from NPGS

	NPGS^a (7,237 accessions)		Representative sample (374 accessions)
Race	Num. of accessions	%	Num. of accessions^b	%
Bicolor	90	1.24	6	1.60
Caudatum	145	2.00	8	2.14
Durra-Caudatum	206	2.85	10	2.67
Caudatum-bicolor	78	1.08	5	1.34
Guinea-Caudatum	65	0.90	4	1.07
Kaffir-Caudatum	34	0.47	2	0.53
Mixed	389	5.38	24	6.42
Kaffir-durra	368	5.09	19	5.08
Kaffir-bicolor	24	0.33	2	0.53
Kaffir	47	0.65	2	0.53
Guinea-Kaffir	62	0.86	5	1.34
Guinea-durra	194	2.68	13	3.48
Guinea-bicolor	42	0.58	2	0.53
Guinea	18	0.25	1	0.27
Durra-bicolor	1336	18.47	80	21.39
Durra	2086	28.84	102	27.27
Unknown	2053	28.34	89	23.80

^aNational Plant Germplasm System from United States
^bNumber of randomly selected accession from each race group present in the NPGS Ethiopia collection

ISSN: 1471-2164