Table 5.
Pedigree information of varieties included in this study
| Variety | Pedigree | Possible source of CBSD resistance/tolerance |
|---|---|---|
| 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 |