调环酸钙对糜子茎秆特征及抗倒伏能力的影响

侯晓敏, 闫锋, 董扬, 赵富阳, 李清泉, 卢环, 张金东, 张巩亮

Effects of Prohexadione-Calcium on Stem Characteristics and Lodging Resistance of Broomcorn Millet

Hou Xiaomin, Yan Feng, Dong Yang, Zhao Fuyang, Li Qingquan, Lu Huan, Zhang Jindong, Zhang Gongliang

表4 调环酸钙对糜子节间抗折力和机械强度的影响

Table 4 Effects of prohexadione-calcium on internode breaking resistance and mechanical strength of broomcorn millet

品种（系） Variety (line) 处理 Treatment 节间抗折力Internode breaking resistance (N) 基1节Section 1 基2节Section 2 基3节Section 3 基4节Section 4 基5节Section 5 齐黍1号Qishu 1 CK 42.00±1.46d 40.36±1.38c 33.62±1.75d 30.54±2.43b 29.12±1.46b P100 59.42±2.33c 49.54±2.07b 45.58±3.45c 47.86±3.66ab 36.06±1.71ab P200 83.73±4.83a 76.00±5.49a 68.67±5.03a 59.05±4.18a 55.45±2.56a P400 79.44±4.67b 70.50±4.56a 57.70±4.13b 55.62±4.07a 53.34±1.99a 002-095 CK 32.46±1.21c 25.68±1.77d 22.40±1.56c 21.96±1.43c 16.52±1.47c P100 46.43±1.45b 35.53±1.74c 34.86±2.46b 32.43±1.55b 31.10±1.66b P200 74.90±4.13a 67.38±3.54a 64.82±3.87a 57.04±2.76a 50.96±2.42a P400 50.94±1.89b 45.32±2.76b 43.70±1.56b 32.84±2.44b 26.10±1.46b 品种（系） Variety (line) 处理 Treatment 机械强度Mechanical strength (N/cm) 基1节Section 1 基2节Section 2 基3节Section 3 基4节Section 4 基5节Section 5 齐黍1号Qishu 1 CK 142.38±13.46c 259.92±10.78c 250.81±3.84c 272.72±5.67c 205.00±6.57c P100 178.85±17.62b 299.22±13.26b 339.57±9.57b 388.62±8.68b 253.14±4.47b P200 231.09±10.45a 441.75±26.77a 454.97±8.47a 459.85±12.84a 365.97±19.96a P400 217.67±21.44a 387.75±20.02a 394.09±4.56a 418.26±16.55a 323.24±9.84a 002-095 CK 126.92±6.87c 181.04±10.75b 210.56±10.66b 217.40±6.93b 147.36±3.57c P100 168.55±8.12b 235.59±13.64a 306.48±27.74a 297.09±8.22ab 258.13±4.78b P200 257.66±13.47a 303.88±18.15a 375.31±15.69a 464.31±16.19a 411.76±11.97a P400 173.71±12.66b 201.90±6.78ab 245.59±3.78ab 260.09±13.25ab 205.41±3.56b