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| DOI: | 10.1111/nph.12904 |
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| Web URL(s): | http://onlinelibrary.wiley.com/doi/10.1111/nph.12904/full
Last checked: 09/09/2014
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| Publication Type:
| Refereed |
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| Author(s): | Pagès, Loïc;
Picon-Cochard, Catherine |
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| Author Affiliation: | Pagès: INRA, Centre PACA, Site Agroparc, Avignon Cedex; Picon-Chocard: INRA Centre de Clermont, Grassland Ecosystem Research, Clermont-Ferrand Cedex, France |
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| Title: | Modelling the root system architecture of Poaceae. Can we simulate integrated traits from morphological paramters of growth and branching? |
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| Section: | Research: Full papers
Other records with the "Research: Full papers" Section
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| Source: | New Phytologist. Vol. 204, No. 1, October 2014, p. 149-158. |
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| Publishing Information: | Oxford, England, United Kingdom: Blackwell Publishing, for the New Phytologist Trust |
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| # of Pages: | 10 |
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| Related Web URL: | http://onlinelibrary.wiley.com/doi/10.1111/nph.12904/abstract
Last checked: 09/09/2014
Notes: Summary only |
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| Keywords: | TIC Keywords: Computer modeling; Genetic characterization; Poaceae; Root depth; Root systems; Root weight
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| Abstract/Contents: | "Our objective was to calibrate a model of the root system architecture on several Poaceae species and to assess its value to simulate several 'integrated' traits measured at the root system level: specific root length (SRL), maximum root depth and root mass. We used the model ArchiSimple, made up of sub-models that represent and combine the basic developmental processes, and an experiment on 13 perennial grassland Poaceae species grown in 1.5-m-deep containers and sampled at two different dates after planting (80 and 120 d). Model parameters were estimated almost independently using small samples of the root systems taken at both dates. The relationships obtained for calibration validated the sub-models, and showed species effects on the parameter values. The simulations of integrated traits were relatively correct for SRL and were good for root depth and root mass at the two dates. We obtained some systematic discrepancies that were related to the slight decline of root growth in the last period of the experiment. Because the model allowed correct predictions on a large set of Poaceae species without global fitting, we consider that it is a suitable tool for linking root traits at different organisation levels." |
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| Language: | English |
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| References: | 26 |
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| Note: | Summary appears as abstract
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Pagès, L., and C. Picon-Cochard. 2014. Modelling the root system architecture of Poaceae. Can we simulate integrated traits from morphological paramters of growth and branching?. New Phytol. 204(1):p. 149-158. |
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| DOI: 10.1111/nph.12904 |
| Web URL(s):
http://onlinelibrary.wiley.com/doi/10.1111/nph.12904/full
Last checked: 09/09/2014
Access conditions: Item is within a limited-access website
http://onlinelibrary.wiley.com/enhanced/doi/10.1111/nph.12904/
Last checked: 09/09/2014
Requires: HTML 5
Access conditions: Item is within a limited-access website
Notes: Enhanced HTML version
http://onlinelibrary.wiley.com/doi/10.1111/nph.12904/pdf
Last checked: 09/09/2014
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: b2219226 |
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