Table 2.
Inheritance of L1014F and M918T sodium channel point mutations and kdr/super-kdr genotypes of progeny clones produced from the laboratory crossing experiments between M. persicae clones (L and F refer to the L1014F mutation and M and T to the M918T mutation).
| cross | 800F♂×800F♀ | 800F♂×2169G♀ | 800F♂×108T♀ | 2169G♂×2169G♀ | 2169G♂×108T♀ |
|---|---|---|---|---|---|
| parent genotypes | LM/LM×LM/LM | LM/LM×FT/LM | LM/LM×FM/LM | FT/LM×FT/LM | FT/LM×FM/LM |
| expected progeny genotypesa | LM/LM | LM/LM, FT/LM | LM/LM, FM/LM | LM/LM, FT/LM, FT/FT | LM/LM, FM/LM, FT/LM, FT/FM |
| expected ratio | all LM/LM | 1 : 1 | 1 : 1 | 1 : 2 : 1 | 1 : 1 : 1 : 1 |
| observed ratio | all LM/LM | 13 : 4 | 5 : 7 | 0 : 2 : 0 | 1 : 2 : 2 : 2 |
| no. of progeny | 22 | 17 | 12 | 2 | 7 |
a
On the assumption that both resistance mutations are on the same allele (figure 1).