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3 4个生态区品种农艺及品质性状的方差分析

Table 3 Analysis of variance of agronomic and quality traits of varieties from four ecological regions

农艺及品质性状 Agronomic and quality traits 东华北 Northeast 黄淮海 Huang-Huai-Hai 西北 Northwest 南方 South 生育期Growth period (day) 116.37±9.06 B 101.72±8.82 C 126.77±8.52 A 110.37±17.39 B 株高Plant height (cm) 309.55±19.65 A 287.15±30.13 B 320.26±31.20 A 281.43±32.28 B 穗位高Ear height (cm) 132.34±16.32 B 121.18±15.76 C 158.86±22.38 A 125.51±17.76 BC 绿叶数Green leaf number (piece) 14.59±2.20 A 16.53±1.75 A 15.36±3.63 A 14.94±2.85 A 穗长Ear length (cm) 23.66±1.96 A 22.60±1.85 AB 21.56±2.17 AB 19.27±1.63 C 穗行数Ear rows (row) 16.83±1.51 A 16.42±1.56 A 16.94±1.77 A 14.57±1.29 B 粗蛋白Crude protein (%) 8.15±0.72 B 8.91±1.20 B 8.70±0.77 B 10.10±2.80 A 中性洗涤纤维NDF (%) 44.83±4.23 A 47.42±9.43 A 44.52±5.43 A 47.69±6.65 A 酸性洗涤纤维ADF (%) 19.09±2.45 C 22.53±6.47 AB 20.02±4.92 BC 23.39±3.74 A 淀粉Starch (%) 31.39±3.41 A 33.41±2.53 A 28.99±2.81 A 31.38±5.63 A 干重Dry weight (kg hm-2) 18,547.24±2435.26 B 17,536.17±2650.54 B 29,537.64±5435.77 A 17,759.3±3242.5 B 鲜重Wet weight (kg hm-2) 74,212.27±9542.69 B 74,436.46±7081.53 B 87,674.94±10583.30 A 62,630.35±10905.50 C 种植密度Planting density (plant hm-2) 63,409.06±6881.68 B 70,340.91±16,516.78 A 69,877.12±8121.04 A 59,500.00±5916.61 B