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4 不同机械化种植方式下优质食味粳稻主要生育期干物质积累及其比例

Table 4 Dry matter accumulation and its rate of japonica rice with good taste quality under different mechanized planting methods at the main growing stage

生育类型 Growth type 品种 Cultivar 种植方式 Planting method 总生物量 Total biomass (t hm-2) 移栽至拔节期 Transplanting to jointing 拔节期至抽穗期 Jointing to heading 抽穗期至成熟期 Heading to maturity 积累量Biomass (t hm-2) 比例 Ratio (%) 积累量Biomass (t hm-2) 比例 Ratio (%) 积累量Biomass (t hm-2) 比例 Ratio (%) 中熟中粳 南粳2728 毯苗机插 MC 198.46 Aa 43.78 Bb 22.06 77.95 Aa 39.28 76.72 Aa 38.66 MMMJ Nanjing 2728 机械直播 MD 195.83 Bb 49.42 Aa 25.24 76.59 Bb 39.11 69.81 Bb 35.65 南粳505 毯苗机插 MC 209.01 Aa 46.65 Bb 22.32 82.41 Aa 39.43 79.95 Aa 38.25 Nanjing 505 机械直播 MD 196.12 Bb 51.32 Aa 26.17 76.95 Bb 39.24 67.83 Bb 34.59 迟熟中粳 南粳9108 毯苗机插 MC 190.20 Aa 48.42 Bb 25.46 70.98 Aa 37.32 70.79 Aa 37.22 LMMJ Nanjing 9108 机械直播 MD 186.12 Bb 52.50 Aa 28.21 70.81 Ab 38.05 62.79 Bb 33.74 南粳3818 毯苗机插 MC 197.40 Aa 49.25 Bb 24.95 75.64 Aa 38.32 72.50 Aa 36.73 Nanjing 3818 机械直播 MD 194.16 Bb 54.58 Aa 28.11 74.48 Bb 38.36 65.10 Bb 33.53 生育类型 Growth and development types (GDT) ** ** ** ** ** ** ** 品种 Cultivar (C) ** ** ** ** ** * * 种植方式 Planting methods (PM) ** ** ** ** ns ** ** 生育类型×品种 GDT×C ** ** ** ** ** ** ns 生育类型×种植方式 GDT×PM ** ** ** ** ns ** ns 品种×种植方式 C×PM ** ** ** ** ** ** ns 生育类型×品种×种植方式 GDT×C×PM ** ** ** ** ** ** **