141份国内外小麦种质资源主要性状遗传多样性分析与特异性评价

颜群翔, 庞玉辉, 洪壮壮, 毕俊鸽, 王春平

Genetic Diversity Analysis and Specificity Evaluation of Main Traits of 141 Wheat Germplasm Resources at Domestic and Foreign

Yan Qunxiang, Pang Yuhui, Hong Zhuangzhuang, Bi Junge, Wang Chunping

表2 国内外小麦种质资源农艺和品质性状的变异分析

Table 2 Analysis of variations for different agronomic and quality traits of wheat germplasm resources from domestic and foreign

指标 Index 株高 Plant height (cm) 成穗率 Spike-setting rate (%) 整齐度 Uniformity 穗下节间长 Internode length below spike (cm) 穗颈长 Length of the spike neck (cm) 穗长 Ear length (cm) 总小穗数 Total number of spikelets 穗粒数 Kernels per spike 变异幅度 Variation amplitude 51.80~138.50 6.67~25.67 1.17~3.33 18.83~59.00 2.00~33.40 6.17~16.83 15.40~22.20 25.33~72.67 平均值±标准误差 Average value±error 88.41±18.71 14.84±4.10 2.28±0.49 32.91±8.36 13.78±6.64 10.61±1.70 19.06±1.31 46.99±8.35 变异系数 Coefficient of variation (%) 21.16 27.62 21.49 25.40 48.18 16.02 6.87 17.76 H' 2.09 1.96 1.93 1.89 1.92 1.96 1.99 1.99 指标 Index 千粒重 1000-kernel weight (g) 水分 Moisture (%) 蛋白质相对含量 Relative protein content (%) 干面筋含量 Dry gluten content (%) 湿面筋含量 Wet gluten content (%) 淀粉相对含量 Relative starch content (%) 沉降值 Sedimentation value (mL) 变异幅度 Variation amplitude 26.67~58.98 9.04~23.33 12.49~24.75 45.05~66.09 25.03~54.05 52.56~77.96 19.42~63.47 平均值±标准误差 Average value±error 45.75±6.64 10.53±1.37 16.59±2.03 59.45±3.57 35.06±4.05 73.68±1.88 35.77±8.55 变异系数 Coefficient of variation (%) 14.51 13.01 12.23 6.01 11.55 2.55 23.90 H' 2.01 1.08 1.85 1.89 1.84 1.48 1.78