8种水旱环境下2个玉米群体穗部性状QTL间的上位性及环境互作效应分析

赵小强,任斌,彭云玲,徐明霞,方鹏,庄泽龙,张金文,曾文静,高巧红,丁永福,陈奋奇

Epistatic and QTL × environment interaction effects for ear related traits in two maize (Zea mays) populations under eight watering environments

Xiao-Qiang ZHAO,Bin REN,Yun-Ling PENG,Ming-Xia XU,Peng FANG,Ze-Long ZHUANG,Jin-Wen ZHANG,Wen-Jing ZENG,Qiao-Hong GAO,Yong-Fu DING,Fen-Qi CHEN

表1 8种水分环境下F2:3群体(LTPOP/CTPOP) 6个穗部性状的表型值

Table 1 Phenotypic value of six ear related traits in F2:3 population (LTPOP/CTPOP) under eight watering environments

性状Trait 环境 Env. 双亲 Parents F1杂交种 F1 hybrid LTPOP群体 LTPOP population 廊黄 Langhuang TS141 F1LT 均值 Mean 变幅 Range 变异系数 CV (%) 偏度Skewness 峰度Kurtosis EW E1 71.33±6.89 111.30±9.72 184.27±7.03 149.81±43.25 52.85-285.91 28.87 0.315 0.313 (g) E2 66.58±7.95 100.67±8.44 163.51±6.79 133.19±51.83 43.27-265.43 38.92 0.453 -0.327 E3 88.29±10.43 128.85±6.45 197.80±6.74 163.19±41.49 70.21-281.87 25.42 0.086 -0.338 E4 84.14±6.77 110.56±8.01 169.14±7.83 152.76±51.41 52.27-276.94 33.65 0.382 -0.577 CW E1 12.53±1.65 29.90±2.15 33.71±2.81 27.65±9.43 9.47-53.31 34.11 0.326 -0.490 (g) E2 9.85±1.23 21.81±1.89 26.58±2.44 25.11±8.23 7.91-50.34 32.77 0.230 -0.051 E3 15.75±2.05 33.78±3.13 37.83±3.15 30.79±10.85 10.87-60.03 35.22 0.636 -0.141 E4 11.66±2.78 23.04±2.61 31.09±3.07 28.17±9.56 8.50-51.23 33.92 0.294 -0.410 GW E1 59.81±4.70 82.40±4.82 150.56±5.11 123.16±33.98 65.07-208.15 27.59 0.815 0.206 (g) E2 56.73±3.96 71.92±3.17 136.93±5.09 108.22±24.72 61.14-186.27 22.84 -0.192 -0.887 E3 64.54±4.51 85.07±4.66 159.97±4.85 132.46±25.05 68.94-207.92 18.91 -0.620 0.753 E4 60.48±5.03 73.52±4.49 138.05±4.23 125.01±23.36 65.31-194.58 18.68 0.904 0.727 KW E1 19.70±2.51 25.15±1.67 40.06±3.40 27.05±7.52 18.40-50.15 27.80 0.853 0.728 (g) E2 15.80±1.38 20.05±1.41 33.95±4.18 25.65±6.39 12.00-45.50 24.91 0.308 -0.376 E3 20.55±1.62 32.70±1.72 43.97±3.79 33.80±7.20 13.75-60.25 21.30 0.617 -0.407 E4 25.70±1.70 24.80±2.03 31.20±3.73 25.90±6.45 13.35-45.50 24.90 0.467 -0.339 性状Trait 环境 Env. 双亲 Parents F1杂交种 F1 hybrid LTPOP群体 LTPOP population 廊黄 Langhuang TS141 F1LT 均值 Mean 变幅 Range 变异系数 CV (%) 偏度Skewness 峰度Kurtosis KR E1 83.43±1.84 77.34±1.67 83.93±2.01 81.59±4.94 70.63-91.08 6.05 0.711 -0.095 E2 81.02±1.35 73.08±1.55 82.15±1.84 78.80±5.79 65.97-88.84 7.35 -0.093 0.268 E3 85.14±1.42 79.62±1.73 85.92±1.85 83.01±5.05 71.89-92.51 6.08 -0.216 0.670 E4 82.26±1.61 73.98±1.89 83.93±1.79 80.56±5.93 68.05-89.93 7.36 -0.326 -0.431 EL E1 9.23±1.68 15.33±1.74 20.17±1.40 15.74±2.72 9.18-22.78 17.29 -0.069 0.000 (cm) E2 8.05±1.21 13.10±1.46 18.83±2.05 14.82±3.08 8.20-21.30 20.74 -0.203 -0.855 E3 9.55±2.02 15.62±1.31 20.84±1.87 15.81±2.92 9.10-23.20 18.46 0.073 -0.089 E4 8.72±1.04 12.60±1.76 17.68±1.92 15.07±2.52 8.21-19.80 16.69 -0.497 0.047 双亲 Parents F1杂交种 F1 hybrid CTPOP群体 CTPOP population 昌7-2 Chang 7-2 TS141 F1CT 均值 Mean 变幅 Range 变异系数 CV (%) 偏度Skewness 峰度Kurtosis EW E5 63.68±4.57 107.64±7.99 235.32±7.15 121.00±39.89 27.07-224.56 32.97 0.528 0.041 (g) E6 59.05±6.22 96.47±6.80 215.76±6.98 111.20±38.62 22.34-211.91 34.73 0.596 0.152 E7 54.79±3.16 101.26±5.43 228.43±7.68 105.30±38.29 13.20-200.00 36.37 -0.033 -0.191 E8 50.00±2.69 90.43±5.90 205.37±8.03 90.03±41.93 12.07-198.34 46.26 0.238 -0.220 CW E5 6.86±3.30 21.41±3.88 30.28±1.89 17.51±6.71 4.24-41.21 38.33 0.577 0.619 (g) E6 5.90±5.28 17.68±4.72 26.77±2.01 15.81±5.84 4.16-35.99 36.94 0.701 1.037 E7 6.22±2.19 18.64±3.61 28.95±1.68 16.81±5.74 5.09-32.56 34.14 0.258 -0.119 E8 5.03±3.00 15.11±2.45 23.72±1.74 14.49±6.12 4.03-32.08 42.26 0.425 -0.368 GW E5 56.82±4.01 86.25±3.77 205.07±7.56 104.49±33.19 25.17-184.38 31.76 -0.911 0.150 (g) E6 52.12±3.65 73.79±4.09 189.99±6.70 95.39±28.05 19.78-180.21 29.41 0.228 1.006 E7 49.57±4.22 82.63±4.73 199.48±5.79 89.87±30.82 10.92-174.89 34.29 0.858 0.417 E8 43.97±3.99 70.32±4.36 180.55±6.04 77.54±31.21 9.95-173.24 40.25 0.325 0.271 KW E5 15.15±1.24 23.40±2.14 34.77±2.13 25.20±6.27 6.15-46.14 24.88 0.275 0.761 (g) E6 13.95±1.90 20.10±1.00 29.94±1.78 22.00±7.50 5.05-45.60 34.09 0.435 1.069 E7 14.05±1.05 21.21±1.12 31.26±1.69 22.80±6.29 8.40-42.71 27.58 0.483 0.407 E8 10.80±1.76 14.97±1.33 28.78±1.55 21.60±5.37 6.15-44.43 24.86 0.438 0.696 KR E5 87.22±2.16 80.19±2.32 88.36±1.69 85.50±4.89 73.47-90.80 5.72 0.916 0.188 E6 85.81±2.02 73.73±1.85 86.03±1.57 83.17±5.63 65.13-87.96 6.77 -0.470 0.735 E7 84.64±1.90 79.42±2.13 84.75±1.96 84.04±5.30 71.90-91.83 6.31 0.438 -0.307 E8 80.09±2.11 70.68±2.26 80.77±2.01 79.99±6.37 62.38-90.48 7.96 0.691 -0.740 EL E5 8.15±2.36 13.15±1.77 21.86±2.04 13.55±2.50 7.30-21.20 18.47 0.522 0.903 (cm) E6 7.02±2.69 10.44±3.10 17.99±1.21 12.49±2.32 6.80-20.60 18.59 0.164 0.455 E7 7.08±1.57 12.53±2.85 19.78±11.36 12.91±2.14 7.30-20.30 16.57 0.357 0.723 E8 6.00±2.31 10.48±2.08 16.04±1.02 12.01±2.59 5.70-18.30 21.52 -0.283 -0.218