TABLE 2

Summary statistics on inbreeding depression of the Lemont/Teqing RILs and HMP of their backcross/testcross F1 populations

Biomass (t/ha)Grain yield (t/ha)
MeanSDRangeMeanSDRange
The ZAU experiment
Lemont (LT)2.740.641.460.43
Teqing (TQ)5.461.083.470.64
F1 (LT × TQ)9.251.325.420.71
HMP5.152.96
CK (SY63)8.821.174.620.86
LTBCF15.962.00~2.53–16.693.221.27~0.87–9.89
(LTBCF1) HMP2.361.90~−2.04–12.191.231.21~−0.96–7.02
TQBCF17.802.20~2.24–15.204.401.31~1.34–7.92
(TQBCF1) HMP4.242.24~−0.76–10.151.461.37~−0.50–6.02
RILs3.011.61~1.13–9.631.470.78~0.34–4.33
HB (RIL − MP)a−1.131.61~−3.00–5.52−0.990.78~−2.13–1.86
The CNRRI experiment
Lemont (LT)3.861.191.760.50
Teqing (TQ)15.631.898.240.80
F1 (LT × TQ)13.931.008.091.76
HMP4.193.09
CK (SY63)17.442.968.371.30
Z41314.070.348.870.44
IR648.610.504.040.36
Z413F113.093.99~4.37–29.126.912.23~2.24–13.05
(Z413F1) HMP2.794.14~−9.38–19.631.132.34~−4.22–7.87
IR64F114.763.11~4.02–26.357.501.79~1.79–13.73
(IR64F1) HMP7.813.26~−1.49–18.134.271.84~−0.69–9.60
RILs6.092.27~2.13–13.832.631.14~0.46–7.55
HB (RIL − MP)a−3.662.27~−7.60–4.09−2.371.14~−4.54–2.54
  • a HB = RIL − MP, where HB is hybrid breakdown and MP = (Lemont + Teqing)/2.