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| Biomass-Based Rice (Oryza sativa L.)AbovegroundArchitectural Parameter Models |
| CAO Hong-xin, LIU Yan, LIU Yong-xia, Jim Scott Hanan, YUE Yan-bin, ZHU Da-wei, LU Jian-fei, SUN Jin-ying, SHI Chun-lin, GE Dao-kuo, WEI Xiu-fang, YAO An-qing, TIAN Ping-ping, BAO Tai-lin |
1.Engineering Research Center for Digital Agriculture/Institute of Agricultural Economics and Information, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, P.R.China
2.The University of Queensland, Centre for Biological Information Technology, Queensland 4068, Australia
3.Agronomy College, Nanjing Agricultural University, Nanjing 210095, P.R.China
4.College of Agriculture, Yangzhou University, Yangzhou 225009, P.R.China
5.Agricultural Technological Extensive Station of Luntai County, Luntai 841600, P.R.China
6.Agronomy College, Yangtze University, Jingzhou 434025, P.R.China |
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摘要 To quantify the relationships between rice plant architecture parameters and the corresponding organ biomass, and to research on functional structural plant models of rice plant, this paper presented a biomass-based model of aboveground architectural parameters of rice (Oryza sativa L.) in the young seedling stage, designed to explain effects of cultivars and environmental conditions on rice aboveground morphogenesis at the individual leaf level. Various model variables, including biomass of blade and blade length, were parameterized for rice based on data derived from an outdoor experiment with rice cv. Liangyou 108, 86You 8, Nanjing 43, and Yangdao 6. The organ dimensions of rice aboveground were modelled taking corresponding organ biomass as an independent variable. Various variables in rice showed marked consistency in observation and simulation, suggesting possibilities for a general rice architectural model in the young seedling stage. Our descriptive model was suitable for our objective. However, they can set the stage for connection to physiological model via biomass and development of functional structural rice models (FSRM), and start with the localized production and partitioning of assimilates as affected by abiotic growth factors. The finding of biomass-based rice architectural parameter models also can be used in morphological models of blade, sheath, and tiller of the other stages in rice life.
Abstract To quantify the relationships between rice plant architecture parameters and the corresponding organ biomass, and to research on functional structural plant models of rice plant, this paper presented a biomass-based model of aboveground architectural parameters of rice (Oryza sativa L.) in the young seedling stage, designed to explain effects of cultivars and environmental conditions on rice aboveground morphogenesis at the individual leaf level. Various model variables, including biomass of blade and blade length, were parameterized for rice based on data derived from an outdoor experiment with rice cv. Liangyou 108, 86You 8, Nanjing 43, and Yangdao 6. The organ dimensions of rice aboveground were modelled taking corresponding organ biomass as an independent variable. Various variables in rice showed marked consistency in observation and simulation, suggesting possibilities for a general rice architectural model in the young seedling stage. Our descriptive model was suitable for our objective. However, they can set the stage for connection to physiological model via biomass and development of functional structural rice models (FSRM), and start with the localized production and partitioning of assimilates as affected by abiotic growth factors. The finding of biomass-based rice architectural parameter models also can be used in morphological models of blade, sheath, and tiller of the other stages in rice life.
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Received: 16 October 2011
Accepted:
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| Fund: This work was supported by the National High-Tech R&D Program of China (2006AA10Z230, 2006AA10Z219-1), the National Natural Science Foundation of China (31171455), the Jiangsu Province Agricultural Scientific Technology Innovation Fund, China (CX(10)221), the Jiangsu Province Postdoctoral Research Program, China (5910907), the No-Profit Industry (Meteorology) Research Program, China (GYHY201006027, GYHY201106027), and the Jiangsu Government Scholarship for Overseas Studies, Jiangsu Academy of Agricultural Sciences Founding, China (6510733). |
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Corresponding Authors:
Correspondence CAO Hong-xin, Tel: +86-25-84391210, Fax: +86-25-84391200, E-mail: caohongxin@hotmail.com
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Cite this article:
CAO Hong-xin, LIU Yan, LIU Yong-xia, Jim Scott Hanan, YUE Yan-bin, ZHU Da-wei, LU Jian-fei, SUN Jin-ying, SHI Chun-lin, GE Dao-kuo, WEI Xiu-fang, YAO An-qing, TIAN Ping-ping, BAO Tai-lin.
2012.
Biomass-Based Rice (Oryza sativa L.)AbovegroundArchitectural Parameter Models. Journal of Integrative Agriculture, 12(10): 1621-1632.
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