Table 5 Pedigree information of varieties included in this study

Namikonga

Known as ‘Kaleso’ in Kenya. Third backcross from inter-specific hybrid (46106/27) from M. glaziovii from Amani breeding program [29],[5]

M. glaziovii

NASE 1

Introduced as TMS 60142 from IITA in early 1980s

Unknown

AR40-6

Bred by CIAT. Has 12.5% from wild species M. esculenta subsp. flavellifolia and 50% from CMD resistant variety C39.

Kiroba

Landrace from Tanzania

Unknown

TZ/130

Selection made in Uganda from open pollinated seeds introduced from Tanzania

Unknown

NASE 14

Also known as MM96/4271. Bred by IITA.

NASE 19

Also known as 72 TME 14. It is a half-sib of TME 14, a landrace from West Africa introduced by IITA

Unknown

NDL06/132

Breeding line selected at ARI Naliendele in southern Tanzania. It is an S1 self of variety NAL 90/34 which showed strong resistance to CBSD [5] and is half sib of Kibaha. which has M. e. subsp. flabellifolia background.

Albert

Local landrace from Tanzania

Susceptible check

Kibaha

M. e. subsp. flabellifolia background.

TME 204

Introduction from IITA.

Susceptible check