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Table 1 Characteristics of D. dumetorum accessions used in this study. * Area belongs to agro-ecological zone 3, ** to agro-ecological zone 4

From: Genetic diversity and population structure of trifoliate yam (Dioscorea dumetorum Kunth) in Cameroon revealed by genotyping-by-sequencing (GBS)

Code Accession name Geographic origin Roots on the tuber surface Tuber flesh color Tuber hardening Altitude (m)
A07W Baigon 1 West* Few Yellow Yes 1120
A08W Fonkouankem 1 West* Many Yellow Yes 1167
A09I Ibo sweet 3 Nigeria Few Yellow No 56
A10W Bangangté 1 West* Few Yellow Yes 1350
A11S Muyuka 1 Southwest** Few White Yes 554
A12S Muyuka 5 Southwest** Few White Yes 554
B07N Bambui 1 Northwest* Few Yellow Yes 1262
B08W Bangou 1 West* Many Yellow Yes 1350
B09W Bamendjou 2 West* Many Yellow Yes 1647
B10W Bana 1 West* Few Yellow Yes 1167
B11S Bekora 1 Southwest** Few White Yes 60
B12S Country yam 2 Southwest** Few White Yes 62
C07S Banga bakundu sweet 1 Southwest** Few White Yes 62
C08I Ibo sweet 2 Nigeria Many White Yes 56
C09W Bamendjou 1 West* Few Yellow Yes 1647
C10N Nkwen 1 Northwest* Few Yellow Yes 1251
C11S Bekora 2 Southwest** Few White Yes 60
C12S Muyuka 3a Southwest** Few White Yes 62
D07S Country yam 1 Southwest** Few White Yes 62
D08W Bamokonbou 1 West* Many Yellow Yes 1414
D09S Muyuka 3 Southwest** Few White Yes 62
D10N Bambalang 1 Northwest* Few Yellow Yes 1185
D11S Mabondji sweet yellow 1 Southwest** Few Yellow Yes 80
D12S Penda-boko sweet 1 Southwest** Few White Yes 554
E07S Lysoka sweet 1 Southwest** Many Yellow Yes 60
E08I Ibo sweet 1 Nigeria Few White Yes 56
E09W Dschang 1 West* Few Yellow Yes 1337
E10S Mbongue sweet 1 Southwest** Few White Yes 62
E12W Fong-tongo 1 West* Many Yellow Yes 1460
F07 N Mankon 1 Northwest* Few Yellow Yes 1253
F08 W Bayangam 1 West* Few Yellow Yes 1560
F09S Mabondji sweet white 1 Southwest** Few White Yes 80
F10 N Batibo 1 Northwest* Few Yellow Yes 1127
F11S Buea sweet white yam 1 Southwest** Few White Yes 438
G07 N Guzang 1 Northwest* Many Yellow Yes 1233
G08 W Bayangam 2 West* Many Yellow Yes 1560
G09 W Bangang 1 West* Few Yellow Yes 1776
G10 N Fundong 1 Northwest* Few Yellow Yes 1554
H06N Babungo 1 Northwest* Few Yellow Yes 1182
H07S Buea sweet 1 Southwest** Many Yellow Yes 554
H08W Bangang 2 West* Many Yellow Yes 1776
H09W Babadjou 1 West* Few Yellow Yes 1395
H10N Bafut 1 Northwest* Few Yellow Yes 1123
H11S Alou 1 Southwest** Few Yellow Yes 1606