夏玉米粒收质量及水分利用效率的化学调控效应研究

刘见, 孙彬, 张伟强, 冯晓曦, 张寄阳, 宁东峰, 秦安振, 刘战东, 乔淼, 沈红丽, 徐燕

Effects of Chemical Regulating on Grain Harvest Quality and Water Use Efficiency in Summer Maize

Jian Liu, Bin Sun, Weiqiang Zhang, Xiaoxi Feng, Jiyang Zhang, Dongfeng Ning, Anzhen Qin, Zhandong Liu, Miao Qiao, Hongli Shen, Yan Xu

表1 植物生长调节剂和灌溉处理对产量及其构成因素的影响

Table 1 Effects of plant growth regulator and different water treatments on grain yield and grain components

植物生长调节剂 Plant growth regulator 灌水量 Irrigation 登海605 Denghai 605 豫单9953 Yudan 9953 穗长 Ear length (cm) 穗粗 Ear diameter (cm) 秃尖长 Bare tip length (cm) 百粒重 100-kernel weight (g) 产量 Yield (kg/hm2) 穗长 Ear length (cm) 穗粗 Ear diameter (cm) 秃尖长 Bare tip length (cm) 百粒重 100-kernel weight (g) 产量 Yield (kg/hm2) HK W1 19.8±0.4d 3.27±0.06c 1.25±0.05d 28.13±0.72d 9 652±109d 16.5±0.3b 4.11±0.08b 0.39±0.03c 24.1±0.8c 9 085±156c W2 21.9±0.2a 4.14±0.10a 1.05±0.08e 34.47±0.41a 11 484±320a 17.3±0.2a 4.25±0.06a 0.31±0.01c 29.5±0.6a 10 773±383a W3 20.6±0.2c 4.10±0.05ab 1.51±0.04b 32.43±0.90bc 10 343±248c 17.0±0.2a 4.01±0.02c 0.51±0.04b 28.2±1.1ab 9 683±216b CK W1 19.0±0.3e 3.25±0.03c 1.43±0.07c 26.60±1.36e 9 453±112d 16.5±0.4b 4.04±0.03bc 0.49±0.02b 21.7±0.9d 8 887±317c W2 21.5±0.3b 4.11±0.09ab 1.22±0.05d 33.13±0.69ab 11 002±241b 16.9±0.2ab 4.19±0.05a 0.35±0.05c 28.7±1.4a 10 502±220a W3 19.8±0.2d 4.08±0.06b 1.63±0.04a 31.53±0.64c 10 271±421c 17.3±0.1a 3.97±0.10c 0.59±0.02a 26.9±0.7b 9 803±412b 植物生长调节剂 Plant growth regulator (R) 102.86** 6.78** 301.54** 10.68** 6.16* 0.01 6.62* 12.14** 14.01** 1.41 灌水量Irrigation (I) 408.94** 4 421.70** 792.43** 99.33** 93.59** 13.98** 41.52** 38.13** 86.64** 93.85** 植物生长调节剂×灌水量R×I 3.17 0.02 5.60 0.24 1.43 4.24* 0.13 0.81 1.36 1.48