不同日产量类型机插杂交籼稻的氮素吸收利用特性

邓飞,何连华,陈多,田青兰,李秋萍,曾玉玲,李博,陈虹,王丽,任万军

Characteristics of Nitrogen Absorption and Utilization of Machine- Transplanted Indica Hybrid Rice with Different Daily Yield Types

DENG Fei,HE LianHua,CHEN Duo,TIAN QingLan,LI QiuPing,ZENG YuLing,LI Bo,CHEN Hong,WANG Li,REN WanJun

表1 供试品种基本信息

Table 1 Information of tested indica hybrid rice

品种 Variety 全生育期 Whole growth duration (d) 产量 Grain yield (t·hm-2) 日产量 Daily grain yield (kg·hm-2·d-1) 日产量类型 Daily yield type 2017 2018 平均 Mean 2017 2018 平均 Mean 2017 2018 平均 Mean 天优华占 Tianyouhuazhan 154.00 151.00 152.50 13.10 12.12 12.61 85.06 80.83 82.95 高日产HDY 繁优609 Fanyou 609 146.00 146.00 146.00 12.54 11.70 12.12 85.29 80.16 82.73 高日产HDY C两优华占C Liangyouhuazhan 158.00 155.00 156.50 12.53 12.14 12.34 79.33 78.82 79.08 高日产HDY 晶两优534 Jingliangyou 534 160.00 156.00 158.00 12.82 11.81 12.32 80.11 76.22 78.17 高日产HDY 中优295 Zhongyou 295 155.00 152.00 153.50 11.76 11.94 11.85 75.87 79.09 77.48 高日产HDY Y两优1号 Y Liangyou 1 164.00 158.00 161.00 12.83 11.97 12.40 78.21 76.26 77.24 高日产HDY F优498 F You 498 155.00 152.00 153.50 11.52 11.65 11.59 74.30 77.15 75.73 高日产HDY 平均 Mean 158.40 154.60 156.50 12.29 11.90 12.10 77.56 77.51 77.54 — 内5优39 Nei 5 You 39 160.00 156.00 158.00 12.47 10.83 11.65 77.91 69.89 73.90 中日产MDY 花香优1618 Huaxiangyou 1618 164.00 159.00 161.50 12.41 11.00 11.71 75.68 69.62 72.65 中日产MDY 蜀优217 Shuyou 217 164.00 159.00 161.50 12.08 10.98 11.53 73.68 69.52 71.60 中日产MDY 中9优2号 Zhong 9 You 2 155.00 152.00 153.50 10.86 10.85 10.86 70.08 71.87 70.98 中日产MDY 川优8377 Chuanyou 8377 164.00 157.00 160.50 11.97 10.67 11.32 72.99 68.41 70.70 中日产MDY 绿优4923 Lvyou 4923 159.00 155.00 157.00 11.51 10.48 11.00 72.42 68.07 70.25 中日产MDY 隆两优1146 Longliangyou1146 158.00 155.00 156.50 10.89 10.78 10.84 68.94 70.00 69.47 中日产MDY 宜香优2115 Yixiangyou 2115 164.00 157.00 160.50 11.22 10.81 11.02 68.43 69.27 68.85 中日产MDY 平均 Mean 160.00 155.20 157.60 11.29 10.72 11.00 70.57 69.52 70.05 — 宜香4245 Yixiang 4245 164.00 158.00 161.00 11.14 10.12 10.63 67.92 64.45 66.19 低日产LDY 旌优127 Jingyou 127 151.00 149.00 150.00 10.31 9.09 9.70 68.29 61.39 64.84 低日产LDY 渝香203 Yuxiang 203 166.00 162.00 164.00 10.93 10.08 10.51 65.85 62.63 64.24 低日产LDY 渝优7109 Yuyou 7109 166.00 162.00 164.00 10.42 10.23 10.33 62.75 63.56 63.16 低日产LDY 川优6203 Chuanyou 6203 164.00 159.00 161.50 11.10 8.85 9.98 67.71 56.00 61.86 低日产LDY 平均 Mean 161.75 158.00 159.88 10.69 9.56 10.13 66.15 60.90 63.52 —