种植方式和密度对高粱群体结构和产量的影响

肖继兵,刘志,孔凡信,辛宗绪,吴宏生

Effects of Planting Pattern and Density on Population Structure and Yield of Sorghum

XIAO JiBing,LIU Zhi,KONG FanXin,XIN ZongXu,WU HongSheng

表3 不同种植方式和密度下高粱植株形态特征

Table 3 Plant character of sorghum under different planting pattern and density

年份 Year 种植方式 Planting pattern 种植密度 Planting density 茎叶夹角Stem-leaf angle (°) 叶向值Leaf orientation value 上叶 Upper leaf 中叶 Middle leaf 下叶 Lower leaf 平均 Average 上叶 Upper leaf 中叶 Middle leaf 下叶 Lower leaf 平均 Average 2016 P1 D1 53.00±3.84a 34.22±3.75a 27.78±0.96a 38.33a 16.24±2.10a 28.88±3.05a 27.67±3.50b 24.27b D2 46.55±1.54a 31.44±2.50ab 26.78±4.29a 34.92ab 17.56±4.83a 30.26±4.12a 35.33±2.85a 27.72a D3 45.78±2.80a 27.78±4.81b 24.11±3.89a 32.56b 19.49±3.57a 32.00±2.67a 36.88±1.74a 29.46a P2 D1 43.45±1.58a 34.89±2.04a 33.78±4.22a 37.37a 20.56±1.35a 27.70±4.43b 30.03±4.17a 26.10a D2 42.78±1.92a 30.89±1.35ab 30.56±5.85a 34.74a 20.69±1.69a 34.66±3.52a 32.66±1.23a 29.34a D3 42.56±3.37a 27.78±4.19b 29.22±5.74a 33.18a 19.65±1.34a 33.32±2.08ab 33.25±2.76a 28.74a 2017 P1 D1 54.67±5.24a 32.67±6.33a 35.33±2.73a 40.89a 10.03±2.91a 22.23±2.97b 17.88±3.31b 16.72b D2 55.11±6.55a 29.55±7.20ab 33.00±3.51ab 39.22a 10.98±3.08a 24.39±0.92ab 21.82±5.08ab 19.06ab D3 52.11±7.90a 32.00±4.04a 29.45±2.67bc 37.85a 13.01±3.54a 23.25±3.50ab 24.10±2.30a 20.12a D4 43.00±7.87b 27.11±1.35b 28.56±2.01c 32.89b 14.79±1.15a 27.86±2.78a 23.98±2.18a 22.21a P2 D1 53.22±5.19a 29.98±2.11a 35.78±3.95a 39.66a 11.57±3.75b 16.61±1.45b 16.35±3.68b 14.84c D2 46.22±4.88a 28.78±3.53a 35.00±2.85a 36.67a 16.08±4.94ab 23.19±4.70a 19.77±2.29ab 19.68b D3 45.55±4.02a 28.33±2.00a 30.78±4.53b 34.89a 16.61±3.57ab 23.37±2.87a 20.23±2.41ab 20.07ab D4 45.00±3.38a 28.45±1.95a 31.33±3.21ab 34.93a 20.95±4.03a 26.89±4.99a 24.70±2.72a 24.18a