播期对直播水稻产量、花后各器官干物质和氮素积累及转运的影响

孙琪, 耿艳秋, 金峰, 刘丽新, 郑浣彤, 郭丽颖, 邵玺文

Effects of Sowing Dates on Yield, Dry Matter and Nitrogen Accumulation and Translocationin Organs after Anthesis of Direct Seeding Rice

Sun Qi, Geng Yanqiu, Jin Feng, Liu Lixin, Zheng Huantong, Guo Liying, Shao Xiwen

表6 水稻各器官抽穗至成熟阶段干物质和氮素积累量与产量的相关系数

Table 6 Correlation coefficients between rice yields and accumulations of dry matter and nitrogen

年份 Year	器官 Organ	干物质积累量Translocation of dry matter		氮素积累量 Translocation of nitrogen
年份 Year	器官 Organ	抽穗期Heading stage	成熟期Maturity stage	抽穗期Heading stage	成熟期Maturity stage
2018	茎鞘Stem-sheath	0.949^**	0.934^**	0.559^**	0.451
	叶片Leaf	0.413	0.223	0.822^**	0.843^**
	穗Panicle	0.643	0.894^**	0.885^**	0.679^*
2019	茎鞘Stem-sheath	0.857^**	0.804^**	0.936^**	0.931^**
	叶片Leaf	0.901	0.825	0.891^**	0.924^**
	穗Panicle	0.428	0.911^**	0.859^**	0.941^**