Table 3.
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Comparison of fitness components between the first backcross generations from the second to the sixth progenies (BC1F2R–BC1F6R) and wild B. juncea in monocultures at high density (mean ± SE)

MaterialPlant height (cm)Stem diameter (cm)Dry-aboveground biomass/plant (g)Silique number/plantSeed weight/plant (g)Silique length (cm)Seed number/silique
Wild B. juncea135.99 ± 1.77a1.35 ± 0.03a75.92 ± 5.07a1535.69 ± 198.96a15.42 ± 3.99a3.92 ± 0.06a15.57 ± 0.97a
BC1mF2R102.56 ± 1.49b0.98 ± 0.03b44.46 ± 2.90b970.43 ± 0.96b9.64 ± 0.21b3.79 ± 0.04ab11.76 ± 0.41b
BC1pF2R99.05 ± 1.24b0.95 ± 0.02b42.48 ± 6.19b940.26 ± 29.55b9.23 ± 0.16b3.73 ± 0.02b10.96 ± 0.37b
Wild B. juncea167.17 ± 5.47a1.53 ± 0.10a129.32 ± 4.10a1531.84 ± 23.62a32.61 ± 1.03a3.94 ± 0.16a16.89 ± 0.57a
BC1mF3R121.50 ± 9.66b1.20 ± 0.01b94.55 ± 16.81ab1259.93 ± 110.50b23.34 ± 3.83b3.96 ± 0.08a17.86 ± 0.07a
BC1pF3R129.33 ± 12.94b1.12 ± 0.10b80.15 ± 7.70b1198.33 ± 55.54b20.03 ± 2.06b3.77 ± 0.09a16.13 ± 0.78a
Wild B. juncea142.83 ± 2.17a1.36 ± 0.09a96.99 ± 1.44a1254.50 ± 66.50a22.71 ± 0.66a3.64 ± 0.04a15.04 ± 0.50a
BC1mF4R120.59 ± 3.29b1.23 ± 0.04b72.83 ± 2.21b974.57 ± 54.10b16.97 ± 0.34b3.76 ± 0.02a15.14 ± 0.31a
BC1pF4R117.36 ± 2.76b1.19 ± 0.03b60.06 ± 0.26c997.72 ± 14.87b21.61 ± 1.06b3.72 ± 0.04a15.31 ± 0.34a
Wild B. juncea143.77 ± 0.96a1.42 ± 0.03a93.04 ± 1.51a925.59 ± 8.06a19.22 ± 0.21a3.39 ± 0.12a13.11 ± 0.71a
BC1mF5R133.22 ± 1.89b1.42 ± 0.06a76.99 ± 2.86b809.47 ± 35.24b16.23 ± 0.44b3.44 ± 0.01a14.53 ± 0.09a
BC1pF5R133.31 ± 2.77b1.37 ± 0.02a77.84 ± 0.75b819.32 ± 7.92b16.15 ± 0.17b3.46 ± 0.02a14.52 ± 0.11a
Wild B. juncea144.45 ± 0.46a1.36 ± 0.01a93.92 ± 1.93a1141.87 ± 17.84a19.23 ± 0.28a3.65 ± 0.01a14.96 ± 0.07a
BC1mF6R138.10 ± 1.03b1.30 ± 0.04a83.54 ± 1.13b1022.86 ± 9.73b17.58 ± 0.50b3.63 ± 0.02a15.40 ± 0.09a
BC1pF6R136.32 ± 1.24b1.27 ± 0.02a80.88 ± 1.66b1002.00 ± 14.55b17.09 ± 0.34b3.64 ± 0.02a15.23 ± 0.2a
MaterialPlant height (cm)Stem diameter (cm)Dry-aboveground biomass/plant (g)Silique number/plantSeed weight/plant (g)Silique length (cm)Seed number/silique
Wild B. juncea135.99 ± 1.77a1.35 ± 0.03a75.92 ± 5.07a1535.69 ± 198.96a15.42 ± 3.99a3.92 ± 0.06a15.57 ± 0.97a
BC1mF2R102.56 ± 1.49b0.98 ± 0.03b44.46 ± 2.90b970.43 ± 0.96b9.64 ± 0.21b3.79 ± 0.04ab11.76 ± 0.41b
BC1pF2R99.05 ± 1.24b0.95 ± 0.02b42.48 ± 6.19b940.26 ± 29.55b9.23 ± 0.16b3.73 ± 0.02b10.96 ± 0.37b
Wild B. juncea167.17 ± 5.47a1.53 ± 0.10a129.32 ± 4.10a1531.84 ± 23.62a32.61 ± 1.03a3.94 ± 0.16a16.89 ± 0.57a
BC1mF3R121.50 ± 9.66b1.20 ± 0.01b94.55 ± 16.81ab1259.93 ± 110.50b23.34 ± 3.83b3.96 ± 0.08a17.86 ± 0.07a
BC1pF3R129.33 ± 12.94b1.12 ± 0.10b80.15 ± 7.70b1198.33 ± 55.54b20.03 ± 2.06b3.77 ± 0.09a16.13 ± 0.78a
Wild B. juncea142.83 ± 2.17a1.36 ± 0.09a96.99 ± 1.44a1254.50 ± 66.50a22.71 ± 0.66a3.64 ± 0.04a15.04 ± 0.50a
BC1mF4R120.59 ± 3.29b1.23 ± 0.04b72.83 ± 2.21b974.57 ± 54.10b16.97 ± 0.34b3.76 ± 0.02a15.14 ± 0.31a
BC1pF4R117.36 ± 2.76b1.19 ± 0.03b60.06 ± 0.26c997.72 ± 14.87b21.61 ± 1.06b3.72 ± 0.04a15.31 ± 0.34a
Wild B. juncea143.77 ± 0.96a1.42 ± 0.03a93.04 ± 1.51a925.59 ± 8.06a19.22 ± 0.21a3.39 ± 0.12a13.11 ± 0.71a
BC1mF5R133.22 ± 1.89b1.42 ± 0.06a76.99 ± 2.86b809.47 ± 35.24b16.23 ± 0.44b3.44 ± 0.01a14.53 ± 0.09a
BC1pF5R133.31 ± 2.77b1.37 ± 0.02a77.84 ± 0.75b819.32 ± 7.92b16.15 ± 0.17b3.46 ± 0.02a14.52 ± 0.11a
Wild B. juncea144.45 ± 0.46a1.36 ± 0.01a93.92 ± 1.93a1141.87 ± 17.84a19.23 ± 0.28a3.65 ± 0.01a14.96 ± 0.07a
BC1mF6R138.10 ± 1.03b1.30 ± 0.04a83.54 ± 1.13b1022.86 ± 9.73b17.58 ± 0.50b3.63 ± 0.02a15.40 ± 0.09a
BC1pF6R136.32 ± 1.24b1.27 ± 0.02a80.88 ± 1.66b1002.00 ± 14.55b17.09 ± 0.34b3.64 ± 0.02a15.23 ± 0.2a

Note: The different letters within the same column denote significant differences among wild B. juncea and the backcross generationsat P < 0.05.

Table 3.
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Comparison of fitness components between the first backcross generations from the second to the sixth progenies (BC1F2R–BC1F6R) and wild B. juncea in monocultures at high density (mean ± SE)

MaterialPlant height (cm)Stem diameter (cm)Dry-aboveground biomass/plant (g)Silique number/plantSeed weight/plant (g)Silique length (cm)Seed number/silique
Wild B. juncea135.99 ± 1.77a1.35 ± 0.03a75.92 ± 5.07a1535.69 ± 198.96a15.42 ± 3.99a3.92 ± 0.06a15.57 ± 0.97a
BC1mF2R102.56 ± 1.49b0.98 ± 0.03b44.46 ± 2.90b970.43 ± 0.96b9.64 ± 0.21b3.79 ± 0.04ab11.76 ± 0.41b
BC1pF2R99.05 ± 1.24b0.95 ± 0.02b42.48 ± 6.19b940.26 ± 29.55b9.23 ± 0.16b3.73 ± 0.02b10.96 ± 0.37b
Wild B. juncea167.17 ± 5.47a1.53 ± 0.10a129.32 ± 4.10a1531.84 ± 23.62a32.61 ± 1.03a3.94 ± 0.16a16.89 ± 0.57a
BC1mF3R121.50 ± 9.66b1.20 ± 0.01b94.55 ± 16.81ab1259.93 ± 110.50b23.34 ± 3.83b3.96 ± 0.08a17.86 ± 0.07a
BC1pF3R129.33 ± 12.94b1.12 ± 0.10b80.15 ± 7.70b1198.33 ± 55.54b20.03 ± 2.06b3.77 ± 0.09a16.13 ± 0.78a
Wild B. juncea142.83 ± 2.17a1.36 ± 0.09a96.99 ± 1.44a1254.50 ± 66.50a22.71 ± 0.66a3.64 ± 0.04a15.04 ± 0.50a
BC1mF4R120.59 ± 3.29b1.23 ± 0.04b72.83 ± 2.21b974.57 ± 54.10b16.97 ± 0.34b3.76 ± 0.02a15.14 ± 0.31a
BC1pF4R117.36 ± 2.76b1.19 ± 0.03b60.06 ± 0.26c997.72 ± 14.87b21.61 ± 1.06b3.72 ± 0.04a15.31 ± 0.34a
Wild B. juncea143.77 ± 0.96a1.42 ± 0.03a93.04 ± 1.51a925.59 ± 8.06a19.22 ± 0.21a3.39 ± 0.12a13.11 ± 0.71a
BC1mF5R133.22 ± 1.89b1.42 ± 0.06a76.99 ± 2.86b809.47 ± 35.24b16.23 ± 0.44b3.44 ± 0.01a14.53 ± 0.09a
BC1pF5R133.31 ± 2.77b1.37 ± 0.02a77.84 ± 0.75b819.32 ± 7.92b16.15 ± 0.17b3.46 ± 0.02a14.52 ± 0.11a
Wild B. juncea144.45 ± 0.46a1.36 ± 0.01a93.92 ± 1.93a1141.87 ± 17.84a19.23 ± 0.28a3.65 ± 0.01a14.96 ± 0.07a
BC1mF6R138.10 ± 1.03b1.30 ± 0.04a83.54 ± 1.13b1022.86 ± 9.73b17.58 ± 0.50b3.63 ± 0.02a15.40 ± 0.09a
BC1pF6R136.32 ± 1.24b1.27 ± 0.02a80.88 ± 1.66b1002.00 ± 14.55b17.09 ± 0.34b3.64 ± 0.02a15.23 ± 0.2a
MaterialPlant height (cm)Stem diameter (cm)Dry-aboveground biomass/plant (g)Silique number/plantSeed weight/plant (g)Silique length (cm)Seed number/silique
Wild B. juncea135.99 ± 1.77a1.35 ± 0.03a75.92 ± 5.07a1535.69 ± 198.96a15.42 ± 3.99a3.92 ± 0.06a15.57 ± 0.97a
BC1mF2R102.56 ± 1.49b0.98 ± 0.03b44.46 ± 2.90b970.43 ± 0.96b9.64 ± 0.21b3.79 ± 0.04ab11.76 ± 0.41b
BC1pF2R99.05 ± 1.24b0.95 ± 0.02b42.48 ± 6.19b940.26 ± 29.55b9.23 ± 0.16b3.73 ± 0.02b10.96 ± 0.37b
Wild B. juncea167.17 ± 5.47a1.53 ± 0.10a129.32 ± 4.10a1531.84 ± 23.62a32.61 ± 1.03a3.94 ± 0.16a16.89 ± 0.57a
BC1mF3R121.50 ± 9.66b1.20 ± 0.01b94.55 ± 16.81ab1259.93 ± 110.50b23.34 ± 3.83b3.96 ± 0.08a17.86 ± 0.07a
BC1pF3R129.33 ± 12.94b1.12 ± 0.10b80.15 ± 7.70b1198.33 ± 55.54b20.03 ± 2.06b3.77 ± 0.09a16.13 ± 0.78a
Wild B. juncea142.83 ± 2.17a1.36 ± 0.09a96.99 ± 1.44a1254.50 ± 66.50a22.71 ± 0.66a3.64 ± 0.04a15.04 ± 0.50a
BC1mF4R120.59 ± 3.29b1.23 ± 0.04b72.83 ± 2.21b974.57 ± 54.10b16.97 ± 0.34b3.76 ± 0.02a15.14 ± 0.31a
BC1pF4R117.36 ± 2.76b1.19 ± 0.03b60.06 ± 0.26c997.72 ± 14.87b21.61 ± 1.06b3.72 ± 0.04a15.31 ± 0.34a
Wild B. juncea143.77 ± 0.96a1.42 ± 0.03a93.04 ± 1.51a925.59 ± 8.06a19.22 ± 0.21a3.39 ± 0.12a13.11 ± 0.71a
BC1mF5R133.22 ± 1.89b1.42 ± 0.06a76.99 ± 2.86b809.47 ± 35.24b16.23 ± 0.44b3.44 ± 0.01a14.53 ± 0.09a
BC1pF5R133.31 ± 2.77b1.37 ± 0.02a77.84 ± 0.75b819.32 ± 7.92b16.15 ± 0.17b3.46 ± 0.02a14.52 ± 0.11a
Wild B. juncea144.45 ± 0.46a1.36 ± 0.01a93.92 ± 1.93a1141.87 ± 17.84a19.23 ± 0.28a3.65 ± 0.01a14.96 ± 0.07a
BC1mF6R138.10 ± 1.03b1.30 ± 0.04a83.54 ± 1.13b1022.86 ± 9.73b17.58 ± 0.50b3.63 ± 0.02a15.40 ± 0.09a
BC1pF6R136.32 ± 1.24b1.27 ± 0.02a80.88 ± 1.66b1002.00 ± 14.55b17.09 ± 0.34b3.64 ± 0.02a15.23 ± 0.2a

Note: The different letters within the same column denote significant differences among wild B. juncea and the backcross generationsat P < 0.05.

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