TABLE 1.
Parents and crosses | Type | Disease levels |
Total | IRa | χ 2 | |||
0 | 1 | 2 | 3 | |||||
DW | R-parent | 30 | 0 | 0 | 0 | 30 | 0 | |
HZSX | S-parent | 0 | 0 | 0 | 30 | 30 | 100 | |
DW × HZSX | F1 | 69 | 0 | 0 | 70 | 139 | 50 | 0.007 |
aIncidence rate (%).
Parents and crosses | Type | Disease levels |
Total | IRa | χ 2 | |||
0 | 1 | 2 | 3 | |||||
DW | R-parent | 30 | 0 | 0 | 0 | 30 | 0 | |
HZSX | S-parent | 0 | 0 | 0 | 30 | 30 | 100 | |
DW × HZSX | F1 | 69 | 0 | 0 | 70 | 139 | 50 | 0.007 |
aIncidence rate (%).