Skip to main content

Table 2 Summary statistics on HBa percentage of RILs and MPHa percentage of IF2s, HSBCF1s, and MARBCF1s

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

Traits b Env. c RILHBs (%) IF2MPHs (%) HSBCF1MPHs (%) MARBCF1MPHs (%)
Mean Min Max Mean Min Max Mean Min Max Mean Min Max
FB 2014Yc −0.30 −31.42 35.35 0.81 −42.23 58.10 2.12 −38.00 53.16 5.12 −40.79 92.91
2014Bg −0.06 −38.80 27.24 −1.82 −47.02 50.79 −1.39 −40.00 58.10 1.85 −54.72 50.88
2015Yc −5.26 −26.42 20.88 9.09 −28.81 65.19 24.02 −17.60 82.42 19.75 −16.19 77.48
2015Bg −3.83 −28.56 36.22 8.83 −30.76 60.00 22.96 −24.61 74.36 20.77 −11.57 68.55
BN 2014Yc −3.38 −40.43 75.28 −4.17 −60.78 123.64 −6.84 −54.26 117.56 6.92 −42.77 97.02
2014Bg −4.69 −43.85 61.79 −5.48 −75.94 83.63 −5.27 − 52.32 98.38 1.49 −51.19 84.91
2015Yc −2.21 −31.34 43.40 1.39 −54.55 169.68 4.69 −42.54 99.01 7.94 −39.35 80.71
2015Bg −5.03 −40.96 53.24 3.26 −47.83 195.35 7.75 −46.81 108.16 8.76 − 45.54 75.00
BW 2014Yc 3.57 −23.38 37.04 20.94 −13.49 46.43 22.46 −33.54 53.51 26.72 −32.55 84.25
2014Bg −0.13 −29.83 29.99 14.88 −21.42 50.79 9.21 −22.39 44.58 19.32 −14.11 59.64
2015Yc 7.24 −17.57 29.86 5.53 −26.19 38.07 3.96 −34.60 38.65 9.06 −27.50 44.49
2015Bg 0.30 −31.74 22.56 1.88 −39.57 60.79 0.44 −28.90 50.64 2.82 −30.24 50.49
LP 2014Yc −0.54 −16.54 14.15 1.49 − 12.73 15.68 1.28 −14.78 21.55 −0.56 −17.03 19.13
2014Bg −3.12 −16.12 6.79 4.50 −18.08 22.81 0.62 −9.71 13.43 1.03 −24.67 16.02
2015Yc −10.13 −31.55 12.99 12.60 −22.61 70.98 6.14 −12.10 25.96 3.98 −16.26 25.57
2015Bg 0.49 −14.87 18.32 1.43 −19.06 37.09 0.37 −18.30 30.21 −1.33 −16.73 16.19
SY 2014Yc −7.08 −61.44 89.70 51.96 −61.43 195.90 25.01 −49.55 144.85 51.39 −49.74 137.63
2014Bg −5.69 −61.46 76.41 38.94 −56.93 148.05 22.05 −51.34 166.60 44.37 −40.61 115.56
2015Yc −3.69 −44.63 75.61 4.74 −41.94 104.71 6.68 −45.56 95.99 7.64 −47.25 96.22
2015Bg −11.89 −43.45 28.51 5.97 −43.89 69.82 6.32 −52.10 91.46 6.87 − 41.73 95.69
LY 2014Yc −7.66 −63.21 83.97 46.73 −61.63 196.96 26.74 −47.72 166.46 50.53 −49.29 142.61
2014Bg −8.25 −64.22 76.15 45.28 −54.74 151.20 22.72 −47.82 177.90 46.02 −37.47 120.89
2015Yc −2.15 −45.26 84.83 4.15 −53.62 93.64 8.85 −47.44 95.35 7.32 −46.75 88.85
2015Bg −11.15 −45.81 32.39 7.19 −44.54 103.30 6.74 −52.48 98.55 5.39 −40.08 91.87
  1. aHB: hybrid breakdown value; MPH: mid-parental heterosis value
  2. bFB fruit branches per plant, BN boll numbers per plant, BW boll weight, LP lint percentage, SY seed cotton yield, LY lint yield
  3. c2014Yc: Yacheng, Hainan Province in 2014; 2014Bg: Baogang, Hainan Province in 2014; 2015Yc: Yacheng, Hainan Province in 2015; 2015Bg: Baogang, Hainan Province in 2015