不同生态条件下播期对机插杂交籼稻日产量的影响

张驰, 何连华, 廖爽, 高云天, 朱世林, 李博, 周伟, 陈勇, 胡剑锋, 项祖芬, 任万军

Effect of sowing date on daily yield of mechanical indica hybrid rice under different ecological conditions

Chi ZHANG, Lian-Hua HE, Shuang LIAO, Yun-Tian GAO, Shi-Lin ZHU, Bo LI, Wei ZHOU, Yong CHEN, Jian-Feng HU, Zu-Fen XIANG, Wan-Jun REN

表6 播期对机插杂交籼稻全生育期、产量和日产量的影响

Table 6 Effects of sowing date on whole growth period, yield and daily yield of mechanical indica hybrid rice

品种 Variety	播期 Sowing date	全生育期WGP (d)		产量Yield (kg hm^-2)		日产量Daily yield (kg hm^-2 d^-1)
品种 Variety	播期 Sowing date	2018	2019	2018	2019	2018	2019
宜香优2115	I	158	165	9843.51±57.48 a	10271.55±101.50 a	62.27±0.37 a	62.39±0.59 a
Yixiangyou 2115	II	157	162	9520.12±73.68 b	9379.30±16.82 b	60.83±0.46 a	57.96±0.12 b
	III	152	157	8511.90±113.58 c	8344.68±217.52 c	56.29±0.75 b	53.26±1.41 b
	IV	151	156	7851.66±147.63 d	7328.08±125.96 d	52.44±0.99 c	47.21±0.82 d
F优498	I	154	161	10,306.41±15.15 a	10915.34±181.61 a	67.24±0.10 a	67.99±1.10 a
F you 498	II	153	157	10,160.56±208.49 a	10,235.50±208.41 b	66.75±1.36 a	65.44±1.32 b
	III	148	151	9132.45±172.47 b	9208.15±53.57 c	62.02±1.18 b	61.08±0.34 c
	IV	147	149	8385.35±217.30 c	8062.46±49.75 d	58.09±1.49 c	54.17±0.32 d
川优6203	I	156	163	9873.14±263.77 a	10,352.73±19.52 a	63.70±1.70 a	63.85±0.14 a
Chuanyou 6203	II	154	159	9645.96±113.75 a	9464.11±287.25 b	62.62±0.74 a	59.68±1.72 b
	III	150	154	8765.43±177.96 b	8476.81±315.64 c	58.81±1.20 b	55.41±2.08 c
	IV	148	153	7885.33±99.05 c	7262.12±134.52 d	52.02±0.68 c	47.79±0.91 d