江淮中部播期对夏玉米产量与灌浆特性的影响

储昭康, 王世济, 毕健健, 张林, 彭晨, 陈翔, 武文明

Effects of Sowing Dates on Yield and Filling Characteristics of Summer Maize in the Central Yangtze-Huaihe Region

Chu Zhaokang, Wang Shiji, Bi Jianjian, Zhang Lin, Peng Chen, Chen Xiang, Wu Wenming

表2 不同播期夏玉米产量及其构成因子

Table 2 Yield and its components of summer maize under different sowing dates

年份 Year 播期（月-日） Sowing date (month-day) 产量 Yield (kg/hm2) 百粒重 100-grain weight (g) 穗粒数 Grains per ear 2018 06-05 7946.83±165.71a 29.99±0.24ab 505.47±1.04a 06-15 7848.44±12.88a 27.32±0.88bc 510.80±5.98a 06-25 7700.99±134.14a 33.14±0.61a 430.73±13.17b 07-05 5383.93±135.93b 25.74±0.21c 404.80±26.95b 2019 06-05 8455.20±159.91a 28.52±0.39b 581.60±15.20a 06-15 9094.96±83.32a 31.53±0.72a 548.20±8.84ab 06-25 8185.20±283.80ab 28.08±0.23b 542.40±1.15ab 07-05 7371.84±261.91b 26.51±0.15b 515.00±4.71b