| Genotype | Mutant phenotype | Pedigree | Mutation source | Line source |
| IB | Wild type/Parental line | Cultivar | - | U.I. |
| IB-ER | Non-branching erect | Mutant of IB | Gamma ray | U.I. |
| IB-ER-2 | High yielding | Mutant of IB | Gamma ray | U.I. |
| IB-BPC | Branched peduncle | Mutant Cultivar derived from IB | SP | U.I. |
| IB-CR | Deep-green crinkled leaf | Mutant of IB | SP | U.I. |
| IB-LT | Lettuce leaf | Mutant of IB-CR | Gamma ray | U.I. |
| IB-CR100HT | Drought tolerant | Mutant of IB-CR | Gamma ray | U.I. |
| IB-Y-1 | Yellow foliage | Mutant of IB | SP | U.I. |
| IB-Y-2 | Speckle yellow foliage | Mutant of IB | SP | U.I. |
| IT86D-719 | Wild type/Parental line | Elite cultivar | - | IITA |
| IT-719Y | Yellow flush | Mutant of IT86D-719 | Gamma ray | U.I. |
| IT-719BN-1 | Burnt leaf | Mutant of IT86D-719 | Gamma ray | U.I. |
| IT-719BN-2 | Burnt leaf | Mutant of IT86D-719 | Gamma ray | U.I. |
| IT-719GSLY | Small yellow foliage | Mutant of IT86D-719 | Gamma ray | U.I. |
| IT-719G200BT | Drought tolerant | Mutant of IT86D-719 | Gamma ray | U.I. |
| IT-719G400MS | Deep-green male sterile | Mutant of IT86D-719 | Gamma ray | U.I. |
| IT-719FPL | Four primary leaves | Mutant of IT86D-719 | Gamma ray | U.I. |
| IT-719G100DW | Dwarf | Mutant of IT86D-719 | Gamma ray | U.I. |
| IT89KD-374-57 | Wild type/Parental line | Elite cultivar | - | IITA |
| IT89KD-NL | Narrow leaf | Mutant of IT89KD-374-57 | Gamma ray | U.I. |
| IT89KD-G400UF | Unifoliolate | Mutant of IT89KD-374-57 | Gamma ray | U.I. |
| IT89KD-G400HT | Drought tolerant | Mutant of IT89KD-374-57 | Gamma ray | U.I. |
| IT90K-284-2 | Wild type/Parental line | Elite cultivar | - | IITA |
| IT90K-284FPL-2 | Four-primary leaves | Mutant of IT90K-284-2 | Gamma ray | U.I. |
| IT90K-284TRV | Three-primary leaves | Mutant of IT90K-284-2 | Gamma ray | U.I. |
| IT90K-UVFPL-REV | Reverted 4-primary leaves | Mutant of IT90K-284-2 | UV ray | U.I. |
| IT90K-BS-1 | Big seed | Mutant of IT90K-284-2 | Gamma ray | U.I. |
| IT90K-BS-2 | Big seed | Mutant of IT90K-284-2 | Gamma ray | U.I. |
| IT90K-BS-3 | Big seed | Mutant of IT90K-284-2 | Gamma ray | U.I. |
| IT90K-BS-4 | Big seed | Mutant of IT90K-284-2 | Gamma ray | U.I. |
| IT90K-284SP | Short pod | Mutant of IT90K-284-2 | Gamma ray | U.I. |
| IT90K-500EM | Early maturing | Mutant of IT90K-284-2 | Gamma ray | U.I. |