人工模拟机械开沟穴直播提高早籼稻茎秆抗倒伏能力及产量

易艳红,王文霞,曾勇军,谭雪明,吴自明,陈雄飞,潘晓华,石庆华,曾研华

Artificial Simulation of Hill-Drop Drilling Mechanical Technology to Improve Yield and Lodging Resistance of Early Season Indica Rice

YanHong YI,WenXia WANG,YongJun ZENG,XueMing TAN,ZiMing WU,XiongFei CHEN,XiaoHua PAN,QingHua SHI,YanHua ZENG

表1 不同播种方式对产量及产量构成因子的影响

Table 1 Effects of different sowing methods on grain yield and its components

年份 Year 品种 Variety 处理 Treatment 有效穗数 Effective panicle (m2) 每穗粒数 Grains per panicle 结实率 Filled grain rate (%) 千粒重 1000-grain weight (g) 产量 Yield ( kg·hm-2 ) 2017 中嘉早17 ZJZ17 MFP 297.4a 121.8a 81.2b 27.8a 6883.1a SBP 276.9b 117.2a 85.8a 27.5a 6571.5b SCP 270.8b 115.4a 85.7a 27.0a 6447.8c 株两优171 ZLY171 MFP 340.5a 112.1a 84.2a 26.1a 7133.3a SBP 332.6ab 101.3b 85.2a 26.0a 6471.2b SCP 330.7b 97.7b 84.5a 25.4a 6415.0b 2018 中嘉早17 ZJZ17 MFP 300.0a 114.4a 92.5a 28.3a 7742.4a SBP 279.2ab 112.4a 93.5a 27.2b 7368.5b SCP 270.8b 113.5a 94.3a 26.3b 77407.9b 株两优171 ZLY171 MFP 330.8a 108.7a 94.6a 27.2a 7850.7a SBP 313.1a 108.3a 90.4a 26.4b 7395.1b SCP 301.4a 107.6a 92.1a 25.9b 7369.1 b F Value T 5.7** 1.4 0.3 24.0** 29.7** V 57.5** 11.49** 0.54 59.2** 0.2 Y 3.3 0.0 133.3** 0.5 226.5** T×V 0.4 0.2 2.9 0.8 1.9 T×Y 0.4 1.0 2.1 6.1** 0.8 V×Y 4.3* 2.5 0.6 2.0 0.0 T×V×Y 0.3 0.2 0.3 0.3 0.8