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2 不同播种方式对株高、重心高度、节间长度、节间粗度及茎秆壁厚的影响

Table 2 Effect of different sowing methods on plant height, gravity center height, internode length, internode diameter, culm wall thickness

年份 Year 品种 Variety 处理 Treatment 株高 PH (cm) 重心高度GCH (cm) 节间长度 INL (cm) 节间粗度 IND (mm) 茎壁厚度 CWT (mm) I1 I2 I3 I1 I2 I3 I1 I2 I3 2017 中嘉早17 ZJZ17 MFP 90.5a 37.5a 3.6a 10.2a 17.0a 5.9a 4.8a 4.2a 2.9a 2.6a 2.5a SBP 88.8ab 36.8a 2.3ab 7.5b 17.9 a 6.0a 4.9a 3.7b 2.3b 2.0b 1.8b SCP 85.7b 35.0b 2.8b 10.4a 17.3a 5.9a 4.8a 4.1a 2.7a 2.5a 1.9b 株两优171 ZLY171 MFP 98.4a 40.5a 8.1ab 13.5a 19.6ab 5.2a 4.6a 4.5a 2.1b 2.2a 2.2a SBP 97.5b 40.4b 7.5b 13.5a 20.2a 5.3a 4.6a 3.7b 2.8a 1.7b 1.3c SCP 93.8c 37.6c 8.3a 13.2a 17.2b 5.3a 4.8a 4.4a 2.0b 2.7a 1.8ab 2018 中嘉早17 ZJZ17 MFP 95.3b 45.7b 3.0a 11.9a 18.7a 6.0a 5.5a 5.2a 2.8a 2.4a 2.3a SBP 94.0b 47.0a 2.9a 10.6b 17.9a 5.9a 5.4a 4.5b 2.3c 2.1b 1.9b SCP 96.8a 45.4b 2.4a 11.5a 18.7a 6.1a 5.5a 4.9a 2.5b 2.2a 2.1b 株两优171 ZLY171 MFP 97.2a 44.5b 6.9a 13.2a 20.2a 5.5a 5.2a 4.4a 2.4b 2.6a 2.2a SBP 94.6b 46.1a 7.8a 12.7a 20.5a 5.6a 5.1a 4.1b 2.7a 2.4a 1.4b SCP 95.4b 44.1b 7.4a 12.4a 19.7a 5.6a 5.3a 4.4a 2.4b 2.6a 1.8ab F Value T 7.0** 18.4** 2.1 0.5 0.8 0.1 0.2 9.9** 1.3 0.3 6.9** V 28.0** 14.7** 419.6** 92.5** 6.8* 17.4** 2.0 3.0 14.0** 3.4 2.8 Y 12.3** 588.2** 2.3 1.7 2.3 4.7* 15.1** 19.9** 0.5 0.7 0.1 T×V 0.0 0.6 0.3 1.7 0.7 0.2 0.1 0.1 2.3 11.3** 11.3** T×Y 0.1 8.2** 2.4 0.3 0.5 0.6 0.1 0.9 0.1 2.0 1.2 V×Y 23.4** 56.6** 0.1 15.0** 0.0 2.1 0.1 16.0** 12.2** 2.2 3.2 T×V×Y 0.1 0.5 0.1 2.1 0.3 0.5 0.0 0.9 1.0 5.4* 13.6**