杂交小麦苗期光合特性分析及其对强优势组合的早期预测

李姜玲,杨澜,阮仁武,李中安

Analysis of Photosynthetic Characteristics of Hybrid Wheat at Seedling Stage and Its Use for Early Prediction of Strong Heterosis Combinations

LI JiangLing,YANG Lan,RUAN RenWu,LI ZhongAn

表8 杂交小麦Rubisco活性及其大小亚基编码基因rbcL和rbcS相对表达量的杂种优势比较

Table 8 Heterosis of Rubisco activity and relative expression levels of genes encoding rbcL and rbcS in hybrid wheat

编号 Number F1代 F1 hybrid 指标 Index 中亲优势 Over mid-parent heterosis (%) 超高亲优势 Over high-parent heterosis (%) 超低亲优势 Below low-parent heterosis (%) 19-200 12L8015×川14品16 12L8015×Chuan 14 pin 16 Rubisco活性 Rubisco activity 13.00** 5.72* 21.37** rbcL相对表达量 Relative expression of rbcL 73.17** 42.53** 120.58** rbcS相对表达量 Relative expression of rbcS 64.22** 61.50** 67.03** 19-204 18L7077×川14品16 18L7077×Chuan 14 pin 16 Rubisco活性 Rubisco activity 10.52** 8.28* 12.86** rbcL相对表达量 Relative expression of rbcL -25.26** -28.56** -21.65** rbcS相对表达量 Relative expression of rbcS -35.69** -52.26** -1.47 19-205 15L7084×川14品16 15L7084×Chuan 14 pin 16 Rubisco活性 Rubisco activity 10.18** 8.31* 27.32** rbcL相对表达量 Relative expression of rbcL 86.76** 60.10** 124.08** rbcS相对表达量 Relative expression of rbcS 131.43** 99.58** 175.37** 19-218 12L8012×川麦93 12L8012×Chuanmai 93 Rubisco活性 Rubisco activity 9.30* 3.30 16.04** rbcL相对表达量 Relative expression of rbcL -22.73** -43.64** 22.85** rbcS相对表达量 Relative expression of rbcS -44.97** -59.00** -16.36 19-219 12L8015×川麦93 12L8015×Chuanmai 93 Rubisco活性 Rubisco activity 8.99* 6.03* 12.13** rbcL相对表达量 Relative expression of rbcL 16.70* -8.32 60.51** rbcS相对表达量 Relative expression of rbcS 38.33** 23.41** 57.35** 19-220 15L7084×川麦93 15L7084×Chuanmai 93 Rubisco活性 Rubisco activity 7.07* 0.84 14.11** rbcL相对表达量 Relative expression of rbcL -10.73 -37.30** 54.91** rbcS相对表达量 Relative expression of rbcS 76.60** 20.74** 228.64**