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Table 5 Type of epistatic interactions and the total phenotypic variation explaining by e-QTLs

From: Genetic basis of heterosis for yield and yield components explored by QTL mapping across four genetic populations in upland cotton

Population Traitsa Type of epistasisb Sumc Total variation (%)d
I II III PVd PV(AA)d PV(AAE)d
RIL FB 0 0 4 4 14.92 10.40 4.51
BN 0 0 27 27 91.79 63.38 28.40
BW 0 0 4 4 12.42 10.50 1.92
LP 0 3 7 10 29.95 16.35 13.60
SY 0 0 12 12 43.68 31.96 11.72
LY 0 0 15 15 53.08 41.23 11.85
IF2 FB 0 0 2 2 6.29 3.28 3.00
BN 0 0 29 29 78.01 56.76 21.25
BW 0 0 1 1 2.81 1.78 1.03
LP 0 1 25 26 60.30 30.27 30.03
SY 0 3 31 34 90.19 60.16 30.03
LY 0 1 31 32 88.78 57.03 31.75
HSBCF1 FB 0 1 11 12 30.68 21.23 9.45
BN 0 0 35 35 90.14 47.12 43.02
BW 0 0 4 4 9.97 4.96 5.01
LP 0 0 11 11 30.68 22.80 7.88
SY 0 3 28 31 91.89 42.76 49.13
LY 0 1 32 33 94.48 45.38 49.10
MARBCF1 FB 0 0 13 13 31.86 27.67 4.20
BN 0 0 17 17 40.47 21.10 19.37
BW 0 0 3 3 6.51 3.97 2.53
LP 0 0 1 1 2.46 1.76 0.70
SY 0 2 17 19 47.75 24.34 23.42
LY 0 7 13 20 47.27 23.08 24.19
IF2MPH FB 0 1 21 22 58.32 29.95 28.37
BN 0 4 29 33 95.10 64.48 30.62
BW 0 0 4 4 11.22 5.06 6.15
LP 0 1 20 21 52.67 17.53 35.14
SY 0 0 34 34 88.49 64.82 23.66
LY 0 1 32 33 89.77 63.94 25.83
HSBCF1MPH FB 0 0 7 7 19.02 10.99 8.03
BN 0 1 10 11 30.54 24.09 6.45
BW 0 0 4 4 8.76 2.83 5.93
LP 0 1 10 11 30.54 24.09 6.45
SY 0 1 22 23 51.68 28.82 22.86
LY 0 2 40 42 89.61 46.85 42.76
MARBCF1MPH FB 0 0 5 5 12.45 7.74 4.72
BN 0 0 7 7 17.56 13.77 3.79
BW 0 0 2 2 5.20 2.55 2.65
LP 0 0 7 7 20.72 17.25 3.48
SY 0 2 25 27 71.12 31.81 39.31
LY 0 0 19 19 56.23 23.50 32.73
  1. aFB fruit branches per plant, BN boll numbers per plant, BW boll weight, LP lint percentage, SY seed cotton yield, LY lint yield
  2. bType of epistasis: (I) two loci with m-QTL, (II) one loci with m-QTL and the other loci without significant m-QTL and (III) two loci without significant m-QTL
  3. cSum total number of epistatic interactions
  4. dPV the phenotypic variation that the total epistasis effect explained, PV(AA) the phenotypic variation that the main epistasis effect explained, PV (AAE) the phenotypic variation that the environmental interaction of the epistasis effect explained