宁夏春小麦品种（系）农艺性状遗传多样性分析

吴立国, 李晓慧, 赵清, 陈小龙, 潘静, 刘旺清, 白海波, 李前荣

Genetic Diversity Analysis of Agronomic Traits of Spring Wheat Varieties (Lines) in Ningxia

Wu Liguo, Li Xiaohui, Zhao Qing, Chen Xiaolong, Pan Jing, Liu Wangqing, Bai Haibo, Li Qianrong

表3 春小麦农艺性状变异分析

Table 3 Variation analysis of agronomic traits in spring wheat

性状Trait 均值Mean 最大值Max. 最小值Min. 极差Range 标准差SD 变异系数CV (%) H′ 株高Plant height (cm) 93.54 141.33 77.00 64.33 17.02 18.19 1.54 旗叶长Flag leaf length (cm) 23.66 38.89 15.54 23.35 3.39 14.34 1.63 旗叶宽Flag leaf width (cm) 1.44 2.12 0.91 1.21 0.21 14.75 1.80 穗下茎长Stem length below spike (cm) 36.03 55.20 27.12 28.08 6.06 16.83 1.91 主穗长Main spike length (cm) 10.88 14.80 8.73 6.07 1.20 11.06 1.79 主穗小穗数Spikelet number of main spike 18.37 23.87 15.27 8.60 1.54 8.36 1.85 主穗重Main spike weight (g) 1.98 2.98 1.33 1.65 0.31 15.89 1.83 主穗穗粒数Grain number per main spike 44.36 58.37 31.95 26.42 5.31 11.97 1.87 主穗着粒密度 Grain density per main spike (grains/cm) 4.12 5.36 2.76 2.61 0.51 12.47 1.99 千粒重1000-grain weight (g) 44.66 56.28 32.01 24.27 5.02 11.24 1.99 收获指数Harvest index 0.52 0.63 0.40 0.23 0.05 10.07 1.62 粒长Grain length (mm) 6.80 8.74 5.53 3.21 0.64 9.39 1.66 粒宽Grain width (mm) 3.55 4.98 3.02 1.97 0.49 13.67 1.35 籽粒长宽比Grain length to width ratio 1.99 2.68 1.40 1.28 0.27 13.71 1.29