长江下游稻区不同类型双季晚粳稻产量与生育特性差异

殷敏,刘少文,褚光,徐春梅,王丹英,章秀福,陈松

Differences in Yield and Growth Traits of Different Japonica Varieties in the Double Cropping Late Season in the Lower Reaches of the Yangtze River

Min YIN,ShaoWen LIU,Guang CHU,ChunMei XU,DanYing WANG,XiuFu ZHANG,Song CHEN

表2 2017—2018年不同类型晚稻产量差异

Table 2 Differences in yields of different types of late rice from 2017 to 2018 (t·hm-2)

类型 Type 品种 Variety 2017 2018 IR 黄华占 Huanghuazhan 7.9±0.4c 7.5±0.2gh 天优华占 Tianyouhuazhan 7.6±0.2cd 7.8±0.2fg C两优华占 C Liangyouhuazhan 8.9±0.2a 7.9±0.3efg IJR 嘉58 Jia 58 5.9±0.1fg 8.5±0.2cd 嘉禾218 Jiahe 218 6.1±0.3f 6.1±0.1i 南粳46 Nangeng 46 5.6±0.1g 8.3±0.3de 南粳9108 Nangeng 9108 6.6±0.1e 7.2±0.1h 秀水134 Xiushui 134 6.6±0.3e 8.0±0.1ef HJR 常优5号 Changyou 5 7.4±0.3d 8.7±0.2c 嘉优5号 Jiayou 5 7.3±0.1d 8.8±0.3c IJHR 春优84 Chunyou 84 8.3±0.2b — 春优927 Chunyou 927 — 10.6±0.4a 甬优1540 Yongyou 1540 8.4±0.2b 9.9±0.4b 甬优538 Yongyou 538 8.3±0.3b 9.5±0.2b 平均值 Average IR 8.1±0.6a 7.7±0.3c IJR 6.2±0.4c 7.6±0.9c HJR 7.4±0.2b 8.8±0.3b IJHR 8.3±0.2a 10.0±0.5a ANOVA 品种类型 Type (T) 65.60** 年份 Year (Y) 62.52** T×Y 13.95**