Table 3. Segregations of powdery mildew resistance and markers linked to PmCH86 in F2 population or F2:3 lines from CH5241/CH7086.
Marker | Resistance | Codominant marker | Dominant marker | Total | ?2 (1:2:1or 3:1) | P | |||||
genotype | AA | Aa | aa | AA | Not AA | Not aa | aa | ||||
Xgwm47 | PmPm | 24 | 6 | 8 | 38a | ||||||
Pmpm | 9 | 59 | 8 | 76 | |||||||
pmpm | 5 | 4 | 25 | 34 | |||||||
Total | 38 | 69 | 41 | 148 | 0.797b | 0.671 | |||||
Cos66 | PmPm | 31 | 7 | 0 | 38 | ||||||
Pmpm | 8 | 62 | 6 | 76 | |||||||
pmpm | 0 | 4 | 30 | 34 | |||||||
Total | 39 | 73 | 36 | 148 | 0.149 | 0.928 | |||||
Xbcd135 | PmPm | 38 | 0 | 38 | |||||||
Pmpm | 73 | 3 | 76 | ||||||||
pmpm | 4 | 30 | 34 | ||||||||
Total | 115 | 33 | 148 | 0.577 | 0.448 | ||||||
Cos55 | PmPm | 34 | 4 | 38 | |||||||
Pmpm | 3 | 73 | 76 | ||||||||
pmpm | 1 | 33 | 34 | ||||||||
Total | 38 | 110 | 148 | 0.036 | 0.849 | ||||||
Cos65 | PmPm | 34 | 3 | 1 | 38 | ||||||
Pmpm | 3 | 72 | 1 | 76 | |||||||
pmpm | 1 | 3 | 30 | 34 | |||||||
Total | 38 | 78 | 32 | 148 | 0.919 | 0.632 | |||||
BI479701 | PmPm | 37 | 1 | 38 | |||||||
Pmpm | 75 | 1 | 76 | ||||||||
pmpm | 4 | 30 | 34 | ||||||||
Total | 116 | 32 | 148 | 0.901 | 0.343 | ||||||
P79 | PmPm | 31 | 6 | 1 | 38 | ||||||
Pmpm | 2 | 72 | 2 | 76 | |||||||
pmpm | 1 | 2 | 31 | 34 | |||||||
Total | 34 | 80 | 34 | 148 | 0.973 | 0.615 |
AA homozygous for the CH7086 allele; aa homozygous for the CH5241 allele; Aa heterozygous.
aThe data of F2:3 lines from CH5241/CH7086;
bValues for significance of χ 2 at P = 0.05 is 3.84 for 1 df and 5.99 for 2 df, respectively.