Table 5. Summary of M-QTL and E-QTL detected controlling yield traits by inclusive composite interval mapping in RIL(V), BC(V)F1, and MPH data.
Trait | RIL | BCF1 | MPH | RILV | BCVF1 | MPHV | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
M-QTL | na | P(A)b | P(AE) | n | P(A) | P(AE) | n | P(A) | P(AE) | n | P(A) | P(AE) | n | P(A) | P(AE) | n | P(A) | P(AE) |
SY | 13 | 2.31 | 0.84 | 5 | 1.99 | 1.33 | 3 | 1.05 | 1.22 | 6 | 1.27 | 1.10 | 5 | 0.72 | 1.54 | 5 | 0.57 | 1.81 |
LY | 15 | 2.03 | 0.94 | 7 | 1.64 | 1.05 | 3 | 0.81 | 1.95 | 7 | 1.52 | 0.88 | 8 | 0.90 | 1.59 | 3 | 1.28 | 2.10 |
BNP | 13 | 2.22 | 0.49 | 8 | 2.11 | 0.56 | 4 | 1.69 | 0.63 | 7 | 2.17 | 0.67 | 3 | 0.47 | 1.84 | 6 | 2.51 | 0.58 |
BW | 16 | 2.36 | 0.43 | 16 | 2.26 | 0.39 | 5 | 0.82 | 1.57 | 13 | 2.56 | 0.41 | 12 | 1.94 | 0.67 | 5 | 1.18 | 1.03 |
LP | 18 | 2.48 | 0.47 | 16 | 2.45 | 0.38 | 5 | 1.12 | 1.13 | 12 | 2.54 | 0.47 | 8 | 2.02 | 0.64 | 1 | 1.37 | 0.45 |
Mean | 15.0 | 2.28 | 0.63 | 10.4 | 2.09 | 0.74 | 4.0 | 1.10 | 1.30 | 9.0 | 2.01 | 0.70 | 7.2 | 1.21 | 1.26 | 4.0 | 1.38 | 1.19 |
E-QTL | n | P(AA) | P(AAE) | n | P(AA) | P(AAE) | n | P(AA) | P(AAE) | n | P(AA) | P(AAE) | n | P(AA) | P(AAE) | n | P(AA) | P(AAE) |
SY | 12 | 3.06 | 0.30 | 8 | 2.16 | 1.82 | 4 | 2.45 | 1.90 | 59 | 2.17 | 1.40 | 2 | 1.22 | 3.10 | 14 | 1.12 | 2.89 |
LY | 10 | 3.05 | 0.36 | 10 | 2.77 | 1.16 | 4 | 2.43 | 1.90 | 55 | 2.32 | 1.25 | 7 | 1.64 | 2.11 | 9 | 0.97 | 2.89 |
BNP | 15 | 3.18 | 0.64 | 7 | 3.12 | 0.96 | 3 | 3.33 | 0.73 | 67 | 3.53 | 0.78 | 2 | 0.60 | 2.39 | 24 | 2.51 | 0.92 |
BW | 36 | 3.54 | 0.24 | 26 | 3.21 | 0.41 | 2 | 1.49 | 0.43 | 11 | 3.68 | 0.20 | 6 | 3.16 | 0.57 | 4 | 3.11 | 1.58 |
LP | 48 | 3.67 | 0.12 | 27 | 3.16 | 0.21 | 4 | 3.48 | 0.75 | 22 | 3.72 | 0.24 | 4 | 2.75 | 0.81 | 1 | 2.01 | 2.24 |
Mean | 24.2 | 3.30 | 0.33 | 15.6 | 2.88 | 0.91 | 3.4 | 2.63 | 1.14 | 42.8 | 3.09 | 0.77 | 4.2 | 1.87 | 1.79 | 10.4 | 1.94 | 2.10 |
M-QTL, quantitative trait loci with main effects; E-QTL, quantitative trait loci involved in digenic interactions; RIL, recombinant inbred line population; BC, backcross population; MPH, mid-parental heterosis; SY, seed cotton yield; LY, lint yield; BNP, bolls per plant; BW, boll weight; LP, lint percent. Mean, equal to the mean of rows.
The number of QTL identified.
P (in %) was average trait phenotypic variances explained.