不同水分条件下小麦持绿表型性状评价及其与产量相关性研究

杨斌, 闫雪, 温宏伟, 王曙光, 逯腊虎, 范华, 景蕊莲, 孙黛珍

Study on the Evaluation of Stay-Green Traits of Wheat and Its Correlation with Yield-Related Traits under Different Water Conditions

Yang Bin, Yan Xue, Wen Hongwei, Wang Shuguang, Lu Lahu, Fan Hua, Jing Ruilian, Sun Daizhen

表2 2种水分条件下产量性状的分布特征

Table 2 Distribution characteristics of yield-related traits under different two water conditions

性状 Trait 亲本Parent t值 t value RIL群体RIL population 旱选10号 Hanxuan 10 鲁麦14 Lumai 14 平均值 Mean 标准差 Standard deviation 偏度 Skewness 峰度 Kurtosis 最小值 Minimum 最大值Maximum 变异系数Coefficient of variation (%) 千粒重 1000-grain weight (g) 38.54/37.52 39.12/34.02 2.83ns/5.39* 39.33/37.36 4.51/4.13 -0.49/0.17 1.31/0.03 26.28/25.22 48.80/50.40 11.47/11.57 单株产量 Yield per plant (g) 5.20/3.99 4.93/1.92 3.59ns/6.45* 4.31/2.94 1.58/0.97 0.49/0.54 0.01/0.02 1.24/0.72 9.11/5.59 36.78/33.13 单株穗数 Spike number per plant 4.16/3.13 3.24/1.94 2.60ns/4.78* 3.36/2.63 0.96/0.77 0.60/1.23 0.91/0.46 1.50/1.35 7.25/6.98 40.62/47.23 穗粒数 Grain number per spike 43.40/41.24 33.02/32.99 5.75*/5.10* 40.33/36.35 6.22/6.08 0.17/-0.06 0.32/0.29 24.39/16.67 56.60/51.47 15.43/16.71 粒长Grain length (mm) 6.55/6.29 6.68/6.26 0.52ns/1.88ns 6.74/6.59 0.32/0.32 0.00/-0.03 0.00/0.13 5.89/5.59 7.73/7.70 4.76/4.89 粒宽Grain width (mm) 3.48/3.35 3.07/3.03 7.35*/6.36* 3.30/3.19 0.18/0.18 0.50/-0.54 0.97/2.22 2.76/2.24 4.01/3.74 5.53/5.61 粒厚 Grain thickness (mm) 3.14/2.95 3.03/2.91 4.35*/4.84* 3.11/2.99 0.19/0.20 0.34/0.03 0.00/0.00 2.65/2.48 3.69/3.57 5.99/6.58