Population Characteristics of High-Yielding Rice under Different Densities

doi:10.2134/agronj2015.0214

	Population Characteristics of High-Yielding Rice under Different Densities
	Li, Ganghua 1; Zhang, Jun 2; Yang, Congdang 1,3; Liu, Zhenghui 1; Wang, Shaohua 1; Ding, Yanfeng 1
刊名	AGRONOMY JOURNAL
	2016
卷号	108 期号:4 页码:1415-1423
ISSN号	0002-1962
DOI	10.2134/agronj2015.0214
通讯作者	Li, Ganghua
英文摘要	To explore the common characteristics of high-yield rice (Oryza sativa L.) production and the influence of transplanting density on yield, field experiments were conducted in eight ecological zones with local popular high-yield rice varieties in China in 2009. This study revealed that different ecological types of rice exhibit robust differences in growth stage, yield composition, source, sink, grain/leaf ratio, plant type traits, and dry matter (DM) accumulation and partitioning. The different ecological types of rice displayed the following common features: (i) grain yield was correlated with sink such that larger sink was always associated with larger yield; (ii) DM accumulation before and after the heading stage showed large variation in contribution to yield regardless of DM accumulation enhancement, especially for postheading accumulation, which was beneficial for increasing yield; and (iii) under the suitable seedling population (36 seedlings m(-2) or 25 seedlings m(-2)), wide rows with narrow within-row plant spacing was conducive for building high-yield populations. Overall, transplanting density and ecological site both have significant effects on rice yield, source-sink relationship, and DM accumulation.
学科主题	Agronomy
语种	英语
出版者	AMER SOC AGRONOMY
WOS记录号	WOS:000379725200010
内容类型	期刊论文
源URL	[http://111.203.20.206/handle/2HMLN22E/4494]
专题	作物科学研究所_栽培生理学系
作者单位	1.Nanjing Agr Univ, Key Lab Crop Physiol & Ecol Southern China, Jiangsu Collaborat Innovat Ctr Modern Crop Prod, Natl Engn & Technol Ctr Informat Agr, Nanjing, Jiangsu, Peoples R China 2.Chinese Acad Agr Sci, Inst Crop Sci, Zhongguancun South St 12, Beijing 100081, Peoples R China 3.Yunnan Acad Agr Sci, Inst Food Crop, Kunming 650205, Peoples R China
推荐引用方式 GB/T 7714	Li, Ganghua,Zhang, Jun,Yang, Congdang,et al. Population Characteristics of High-Yielding Rice under Different Densities[J]. AGRONOMY JOURNAL,2016,108(4):1415-1423.
APA	Li, Ganghua,Zhang, Jun,Yang, Congdang,Liu, Zhenghui,Wang, Shaohua,&Ding, Yanfeng.(2016).Population Characteristics of High-Yielding Rice under Different Densities.AGRONOMY JOURNAL,108(4),1415-1423.
MLA	Li, Ganghua,et al."Population Characteristics of High-Yielding Rice under Different Densities".AGRONOMY JOURNAL 108.4(2016):1415-1423.