基于农艺及品质性状与SSR标记的青贮玉米品种遗传多样性分析

刘少荣, 杨扬, 田红丽, 易红梅, 王璐, 康定明, 范亚明, 任洁, 江彬, 葛建镕, 成广雷, 王凤格

Genetic diversity analysis of silage corn varieties based on agronomic and quality traits and SSR markers

LIU Shao-Rong, YANG Yang, TIAN Hong-Li, YI Hong-Mei, WANG Lu, KANG Ding-Ming, FANG Ya-Ming, REN Jie, JIANG Bin, GE Jian-Rong, CHENG Guang-Lei, WANG Feng-Ge

表2 169个样品的农艺及品质性状特征

Table 2 Agronomic and quality characteristics of 169 samples

农艺及品质性状 Agronomic and quality traits 平均值±标准差 Mean±SD 变异幅度 Range 变异系数 Coefficient of variation (%) Simpson指数 Simpson’s index 生育期 Growth period (d) 116.09±13.56 82.9-141.5 11.68 0.64 株高 Plant height (cm) 305.34±31.45 228-400 10.30 0.59 穗位高 Ear height (cm) 138.85±24.26 89.00-215.03 17.47 0.52 绿叶数 Green leaf number (piece) 15.25±2.89 8.80-22.02 18.95 0.56 穗长 Ear length (cm) 22.10±2.38 16.7-27.0 10.77 0.71 穗行数 Ear rows (row) 16.60±1.76 12.5-21.0 10.60 0.63 粗蛋白 Crude protein (%) 8.73±1.47 6.61-15.91 16.84 0.50 中性洗涤纤维 NDF (%) 45.87±6.64 26.36-62.34 14.48 0.64 酸性洗涤纤维 ADF (%) 20.94±4.88 12.46-33.90 23.30 0.61 淀粉 Starch (%) 30.81±3.51 22.07-37.79 11.39 0.55 干重 Dry weight (kg hm-2) 21,848.09±6622.33 11,238.00-39,082.65 30.31 0.66 鲜重 Wet weight (kg hm-2) 80,071.25±12,994.96 50,290.5-108,431.1 16.23 0.63 种植密度 Planting density (plant hm-2) 66,553.56±10,532.54 42,000-120,000 15.83 0.53