Acta Prataculturae Sinica ›› 2022, Vol. 31 ›› Issue (1): 238-245.DOI: 10.11686/cyxb2020487
Peng-lei WANG(), Zhuan-zhuan YAN, Li-juan GAO, Qian MA, Xi-fang ZONG, Sheng-sheng WANG, Ji-yu ZHANG()
Received:
2020-10-28
Revised:
2020-12-24
Online:
2021-12-01
Published:
2021-12-01
Contact:
Ji-yu ZHANG
Peng-lei WANG, Zhuan-zhuan YAN, Li-juan GAO, Qian MA, Xi-fang ZONG, Sheng-sheng WANG, Ji-yu ZHANG. Analysis of genetic variation in agronomic traits of half-sib families of Melilotus albus in the second generation of recurrent selection[J]. Acta Prataculturae Sinica, 2022, 31(1): 238-245.
性状Trait | 株高PH (cm) | 干重DW (g·plant-1) | 茎粗SD (mm) | 分枝数SN (No.) | 白粉病感病等级PM | 叶茎比LSR |
---|---|---|---|---|---|---|
平均值Average | 92 | 86.4 | 9.0 | 4.3 | 1.1 | 0.8 |
最大值Maximum | 120 | 145.0 | 12.0 | 7.0 | 4.0 | 1.3 |
最小值Minimum | 70 | 34.3 | 6.0 | 2.8 | 1.0 | 0.6 |
σ2g | 88±35 | 417±201 | 1.15±0.47 | ns | ns | 0.008±0.004 |
σ2ε | 499±39 | 2099±232 | 6.93±0.55 | 2.21±0.22 | 0.090±0.007 | 0.042±0.005 |
H | 0.73 | 0.71 | 0.71 | 0.38 | 0.34 | 0.81 |
Table 1 The genotypic variance component of half-sib families traits of M. albus at Yuzhong
性状Trait | 株高PH (cm) | 干重DW (g·plant-1) | 茎粗SD (mm) | 分枝数SN (No.) | 白粉病感病等级PM | 叶茎比LSR |
---|---|---|---|---|---|---|
平均值Average | 92 | 86.4 | 9.0 | 4.3 | 1.1 | 0.8 |
最大值Maximum | 120 | 145.0 | 12.0 | 7.0 | 4.0 | 1.3 |
最小值Minimum | 70 | 34.3 | 6.0 | 2.8 | 1.0 | 0.6 |
σ2g | 88±35 | 417±201 | 1.15±0.47 | ns | ns | 0.008±0.004 |
σ2ε | 499±39 | 2099±232 | 6.93±0.55 | 2.21±0.22 | 0.090±0.007 | 0.042±0.005 |
H | 0.73 | 0.71 | 0.71 | 0.38 | 0.34 | 0.81 |
性状Trait | 株高PH (cm) | 干重DW (g·plant-1) | 茎粗SD (mm) | 分枝数SN (No.) | 白粉病PM | 叶茎比LSR |
---|---|---|---|---|---|---|
平均值Average | 136.6 | 112.9 | 8.9 | 4.5 | 1.7 | 0.6 |
最大值Maximum | 158.0 | 224.7 | 11.8 | 7.5 | 4.0 | 1.0 |
最小值Minimum | 109.0 | 44.1 | 6.3 | 2.7 | 1.0 | 0.4 |
σ2g | 125±48 | 811±400 | 0.51±0.27 | 0.61±0.31 | 0.088±0.037 | 0.03±0.01 |
σ2ε | 611±48 | 4611±480 | 5.50±0.44 | 7.10±0.56 | 0.58±0.05 | 0.06±0.01 |
H | 0.75 | 0.73 | 0.58 | 0.55 | 0.69 | 0.86 |
性状Trait | 香豆素 Cou (%) | 粗蛋白 CP (%) | 酸性洗涤 纤维ADF (%) | 中性洗涤 纤维NDF (%) | 酸性洗涤 木质素ADL (%) | 酸不溶性 灰分AIA (%) |
平均值Average | 0.44 | 8.89 | 30.93 | 44.35 | 6.62 | 0.90 |
最大值Maximum | 0.87 | 20.25 | 43.19 | 56.71 | 9.25 | 1.88 |
最小值Minimum | 0.14 | 9.22 | 19.42 | 32.48 | 3.93 | 0.28 |
σ2g | 0.007±0.003 | ns | 3.39±1.55 | 4.92±2.21 | 0.16±0.77 | ns |
σ2ε | 1.45±0.19 | 2.56±0.32 | 15.75±1.96 | 15.52±1.92 | 0.58±0.09 | 0.04±0.01 |
H | 0.70 | 0.43 | 0.72 | 0.74 | 0.70 | 0.46 |
Table 2 The genotypic variance component of half-sib families traits of M. albus at Linze
性状Trait | 株高PH (cm) | 干重DW (g·plant-1) | 茎粗SD (mm) | 分枝数SN (No.) | 白粉病PM | 叶茎比LSR |
---|---|---|---|---|---|---|
平均值Average | 136.6 | 112.9 | 8.9 | 4.5 | 1.7 | 0.6 |
最大值Maximum | 158.0 | 224.7 | 11.8 | 7.5 | 4.0 | 1.0 |
最小值Minimum | 109.0 | 44.1 | 6.3 | 2.7 | 1.0 | 0.4 |
σ2g | 125±48 | 811±400 | 0.51±0.27 | 0.61±0.31 | 0.088±0.037 | 0.03±0.01 |
σ2ε | 611±48 | 4611±480 | 5.50±0.44 | 7.10±0.56 | 0.58±0.05 | 0.06±0.01 |
H | 0.75 | 0.73 | 0.58 | 0.55 | 0.69 | 0.86 |
性状Trait | 香豆素 Cou (%) | 粗蛋白 CP (%) | 酸性洗涤 纤维ADF (%) | 中性洗涤 纤维NDF (%) | 酸性洗涤 木质素ADL (%) | 酸不溶性 灰分AIA (%) |
平均值Average | 0.44 | 8.89 | 30.93 | 44.35 | 6.62 | 0.90 |
最大值Maximum | 0.87 | 20.25 | 43.19 | 56.71 | 9.25 | 1.88 |
最小值Minimum | 0.14 | 9.22 | 19.42 | 32.48 | 3.93 | 0.28 |
σ2g | 0.007±0.003 | ns | 3.39±1.55 | 4.92±2.21 | 0.16±0.77 | ns |
σ2ε | 1.45±0.19 | 2.56±0.32 | 15.75±1.96 | 15.52±1.92 | 0.58±0.09 | 0.04±0.01 |
H | 0.70 | 0.43 | 0.72 | 0.74 | 0.70 | 0.46 |
性状Tarit | 株高PH (cm) | 干重DW (g·plant-1) | 茎粗SD (mm) | 分枝数SN (No.) | 白粉病感病等级PM | 叶茎比LSR |
---|---|---|---|---|---|---|
平均值Average | 114.2 | 99.9 | 8.9 | 4.4 | 1.4 | 0.6 |
最大值Maximum | 136.7 | 150.0 | 10.8 | 7.4 | 2.2 | 0.9 |
最小值Minimum | 87.2 | 57.0 | 6.8 | 3.4 | 1.1 | 0.4 |
σ2g | ns | ns | ns | ns | ns | ns |
σ2gl | 65±30 | 574±208 | 0.62±0.31 | ns | 0.04±0.02 | 0.010±0.005 |
σ2ε | 555±30 | 2179±207 | 6.20±0.36 | 4.61±0.26 | 0.34±0.02 | 0.040±0.004 |
Table 3 The genotypic variance component of half-sib families traits of M. albus under genotype-by-location interaction
性状Tarit | 株高PH (cm) | 干重DW (g·plant-1) | 茎粗SD (mm) | 分枝数SN (No.) | 白粉病感病等级PM | 叶茎比LSR |
---|---|---|---|---|---|---|
平均值Average | 114.2 | 99.9 | 8.9 | 4.4 | 1.4 | 0.6 |
最大值Maximum | 136.7 | 150.0 | 10.8 | 7.4 | 2.2 | 0.9 |
最小值Minimum | 87.2 | 57.0 | 6.8 | 3.4 | 1.1 | 0.4 |
σ2g | ns | ns | ns | ns | ns | ns |
σ2gl | 65±30 | 574±208 | 0.62±0.31 | ns | 0.04±0.02 | 0.010±0.005 |
σ2ε | 555±30 | 2179±207 | 6.20±0.36 | 4.61±0.26 | 0.34±0.02 | 0.040±0.004 |
分组Group | 成员数 Number of group | 株高 PH (cm) | 干重 DW (g·plant-1) | 茎粗 SD (mm) | 分枝数 SN (No.) | 白粉病感 病等级 PM | 叶茎比 LSR | 香豆素 Cou (%) | 粗蛋白 CP (%) | 酸性洗涤 纤维ADF (%) | 中性洗涤 纤维NDF (%) | 酸性洗涤 木质素ADL (%) | 酸不溶性 灰分AIA (%) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 13 | 117.96 | 103.57 | 9.37 | 4.15 | 1.40 | 0.60 | 0.48 | 13.37 | 29.50 | 42.81 | 6.15 | 0.85 |
2 | 4 | 121.04 | 103.80 | 9.47 | 4.42 | 1.43 | 0.60 | 0.43 | 11.85 | 33.90 | 48.61 | 6.86 | 0.89 |
3 | 2 | 97.22 | 59.11 | 6.98 | 3.71 | 1.32 | 0.83 | 0.47 | 12.12 | 29.93 | 44.36 | 6.11 | 0.85 |
4 | 6 | 110.36 | 106.74 | 8.77 | 5.12 | 1.27 | 0.70 | 0.35 | 12.83 | 30.16 | 44.02 | 6.27 | 0.94 |
Table 4 The group information and the average of traits within group of M. albus
分组Group | 成员数 Number of group | 株高 PH (cm) | 干重 DW (g·plant-1) | 茎粗 SD (mm) | 分枝数 SN (No.) | 白粉病感 病等级 PM | 叶茎比 LSR | 香豆素 Cou (%) | 粗蛋白 CP (%) | 酸性洗涤 纤维ADF (%) | 中性洗涤 纤维NDF (%) | 酸性洗涤 木质素ADL (%) | 酸不溶性 灰分AIA (%) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1 | 13 | 117.96 | 103.57 | 9.37 | 4.15 | 1.40 | 0.60 | 0.48 | 13.37 | 29.50 | 42.81 | 6.15 | 0.85 |
2 | 4 | 121.04 | 103.80 | 9.47 | 4.42 | 1.43 | 0.60 | 0.43 | 11.85 | 33.90 | 48.61 | 6.86 | 0.89 |
3 | 2 | 97.22 | 59.11 | 6.98 | 3.71 | 1.32 | 0.83 | 0.47 | 12.12 | 29.93 | 44.36 | 6.11 | 0.85 |
4 | 6 | 110.36 | 106.74 | 8.77 | 5.12 | 1.27 | 0.70 | 0.35 | 12.83 | 30.16 | 44.02 | 6.27 | 0.94 |
性状 Trait | 株高 PH | 干重 DW | 茎粗 SD | 分枝数 SN | 白粉病感病 等级PM | 叶茎比 LSR | 香豆素 Cou | 粗蛋白 CP | 酸性洗涤 纤维ADF | 中性洗涤 纤维NDF | 酸性洗涤木 质素ADL |
---|---|---|---|---|---|---|---|---|---|---|---|
干重DW | 0.37 | ||||||||||
茎粗SD | 0.61** | 0.59** | |||||||||
分枝数SN | 0.01 | 0.32 | 0.12 | ||||||||
白粉病感病等级PM | 0.27 | -0.23 | 0.12 | -0.27 | |||||||
叶茎比LSR | -0.71** | 0.001 | -0.38 | 0.12 | -0.13 | ||||||
香豆素Cou | -0.17 | -0.17 | 0.03 | -0.33 | 0.24 | 0.14 | |||||
粗蛋白CP | 0.18 | 0.30 | 0.32 | -0.07 | -0.12 | -0.06 | 0.22 | ||||
酸性洗涤纤维ADF | 0.18 | 0.11 | 0.16 | 0.24 | 0.13 | -0.13 | 0.03 | -0.52** | |||
中性洗涤纤维NDF | 0.17 | 0.03 | 0.09 | 0.23 | 0.13 | -0.10 | -0.06 | -0.61** | 0.95** | ||
酸性洗涤木质素ADL | 0.01 | 0.39 | 0.19 | 0.32 | -0.21 | 0.10 | 0.15 | -0.18 | 0.63** | 0.54 | |
酸不溶性灰分AIA | -0.12 | 0.09 | -0.02 | 0.27 | -0.01 | 0.09 | 0.11 | 0.25 | 0.40* | 0.25 | 0.37 |
Table 5 Phenotypic correlation coef?cients between M. albus traits across two locations
性状 Trait | 株高 PH | 干重 DW | 茎粗 SD | 分枝数 SN | 白粉病感病 等级PM | 叶茎比 LSR | 香豆素 Cou | 粗蛋白 CP | 酸性洗涤 纤维ADF | 中性洗涤 纤维NDF | 酸性洗涤木 质素ADL |
---|---|---|---|---|---|---|---|---|---|---|---|
干重DW | 0.37 | ||||||||||
茎粗SD | 0.61** | 0.59** | |||||||||
分枝数SN | 0.01 | 0.32 | 0.12 | ||||||||
白粉病感病等级PM | 0.27 | -0.23 | 0.12 | -0.27 | |||||||
叶茎比LSR | -0.71** | 0.001 | -0.38 | 0.12 | -0.13 | ||||||
香豆素Cou | -0.17 | -0.17 | 0.03 | -0.33 | 0.24 | 0.14 | |||||
粗蛋白CP | 0.18 | 0.30 | 0.32 | -0.07 | -0.12 | -0.06 | 0.22 | ||||
酸性洗涤纤维ADF | 0.18 | 0.11 | 0.16 | 0.24 | 0.13 | -0.13 | 0.03 | -0.52** | |||
中性洗涤纤维NDF | 0.17 | 0.03 | 0.09 | 0.23 | 0.13 | -0.10 | -0.06 | -0.61** | 0.95** | ||
酸性洗涤木质素ADL | 0.01 | 0.39 | 0.19 | 0.32 | -0.21 | 0.10 | 0.15 | -0.18 | 0.63** | 0.54 | |
酸不溶性灰分AIA | -0.12 | 0.09 | -0.02 | 0.27 | -0.01 | 0.09 | 0.11 | 0.25 | 0.40* | 0.25 | 0.37 |
性状 Trait | 株高 PH (cm) | 干重 DW (g·plant-1) | 茎粗 SD (mm) | 分枝数 SN (No.) | 叶茎比 LSR | 香豆素 Cou (%) | 粗蛋白 CP (%) | 酸性洗涤纤维 ADF (%) | 中性洗涤纤维NDF (%) | 酸性洗涤木质素ADL (%) | 酸不溶性灰分AIA (%) |
---|---|---|---|---|---|---|---|---|---|---|---|
ΔG | 2.9 | 4.2 | 0.25 | 0.15 | 0.03 | -0.05 | 0.21 | 0.82 | 1.34 | 0.22 | 0.037 |
ΔG% | 2.6 | 4.3 | 2.80 | 3.50 | 4.00 | -11.51 | 1.64 | 2.60 | 3.03 | 3.51 | 4.200 |
Table 6 Predicted genetic gain (ΔG) of per selection cycle in response to direct single trait selection based on the half-sib families evaluated across two locations
性状 Trait | 株高 PH (cm) | 干重 DW (g·plant-1) | 茎粗 SD (mm) | 分枝数 SN (No.) | 叶茎比 LSR | 香豆素 Cou (%) | 粗蛋白 CP (%) | 酸性洗涤纤维 ADF (%) | 中性洗涤纤维NDF (%) | 酸性洗涤木质素ADL (%) | 酸不溶性灰分AIA (%) |
---|---|---|---|---|---|---|---|---|---|---|---|
ΔG | 2.9 | 4.2 | 0.25 | 0.15 | 0.03 | -0.05 | 0.21 | 0.82 | 1.34 | 0.22 | 0.037 |
ΔG% | 2.6 | 4.3 | 2.80 | 3.50 | 4.00 | -11.51 | 1.64 | 2.60 | 3.03 | 3.51 | 4.200 |
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