淮北地区机械化种植方式对不同生育类型优质食味粳稻产量及品质的影响

韩超,许方甫,卞金龙,徐栋,裘实,赵晨,朱盈,刘国栋,张洪程,魏海燕

Effects of Mechanical Planting Methods on Yield and Quality of Japonica Rice with Good Taste and Different Growth Durations in Huaibei Region

Chao HAN,Fang-Fu XU,Jin-Long BIAN,Dong XU,Shi QIU,Chen ZHAO,Ying ZHU,Guo-Dong LIU,Hong-Cheng ZHANG,Hai-Yan WEI

表5 不同机械化种植方式下优质食味粳稻主要生育期及灌浆结实期温光因子的差异

Table 5 Difference in main growth stages and temperature-sunshine factors in grain-filling phase of japonica rice with good taste under mechanized planting methods

生育类型 Growth type 品种 Cultivar 种植方式 Planting method 抽穗期 Heading (month/day) 成熟期 Maturity (month/day) 日均温度 Mean daily temperature (°C) 日最高温度 Daily maximum temperature (°C) 日最低温度 Daily minimum temperature (°C) 抽穗后30 d 日均温度 Mean daily temperature over 30 days after heading (°C) 中熟中粳 南粳2728 毯苗机插 MC 09/03 11/04 18.33 23.49 14.10 22.3 MMMJ Nanjing 2728 机械直播 MD 09/07 11/05 17.98 23.03 13.60 21.5 南粳505 毯苗机插 MC 09/01 10/27 19.72 24.26 15.83 22.4 Nanjing 505 机械直播 MD 09/06 11/02 18.43 23.41 14.09 21.6 迟熟中粳 南粳9108 毯苗机插 MC 09/08 11/03 18.22 23.23 13.85 21.4 LMMJ Nanjing 9108 机械直播 MD 09/13 11/07 17.29 22.45 12.75 20.5 南粳3818 毯苗机插 MC 09/10 11/05 17.62 22.74 13.25 21.2 Nanjing 3818 机械直播 MD 09/15 11/08 17.06 22.22 12.51 20.0