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6 小麦杂交组合产量性状的超高亲优势值

Table 6 Over high-parent heterosis in yield and its components in hybrid wheat (%)

F1代 F1 hybrid 主穗小穗数 SN 主穗长 SL 穗粒数 GNPS 有效穗数 SNPP 单株产量 GYPP 千粒重 TGW 单株生物量 BMPP 收获指数 HI 12L8015×川14品16 12L8015×Chuan 14 pin 16 4.15* -6.67* -20.66** 40.94** 17.67** 6.16* 17.10** 1.03 15L7084×川14品16 15L7084×Chuan 14 pin 16 5.09** 3.99* -1.94 15.44** 17.85* 5.85* 15.34* 0.82 18L7077×川14品16 18L7077×Chuan 14 pin 16 0.94 -0.82 -10.41** 24.83** 16.83* 4.46 14.05* 1.51 12L8012×川麦93 12L8012×Chuanmai 93 0.13 -11.25** -20.28** 42.11** 7.45* -5.95* 4.60 1.38 12L8015×川麦93 12L8015×Chuanmai 93 -1.39 -12.35** -25.86** 46.62** 17.51* 9.40** 12.30** 6.62* 15L7084×川麦93 15L7084×Chuanmai 93 2.71 -4.97* -19.61** 35.34** 7.73* -0.76 4.41 4.25