Linear discriminant analysis reveals differences in root architecture in wheat seedlings related to nitrogen uptake efficiency

© The Author 2017. Published by Oxford University Press on behalf of the Society for Experimental Biology.

Bibliographische Detailangaben
Veröffentlicht in:Journal of experimental botany. - 1985. - 68(2017), 17 vom: 13. Okt., Seite 4969-4981
1. Verfasser: Kenobi, Kim (VerfasserIn)
Weitere Verfasser: Atkinson, Jonathan A, Wells, Darren M, Gaju, Oorbessy, De Silva, Jayalath G, Foulkes, M John, Dryden, Ian L, Wood, Andrew T A, Bennett, Malcolm J
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Journal of experimental botany
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Linear discriminant analysis Mahalanobis distance Triticum aestivum Watkins lines nitrogen uptake efficiency plant phenotyping root system architecture wheat root biology mehr... Nitrates Nitrogen N762921K75
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520 |a © The Author 2017. Published by Oxford University Press on behalf of the Society for Experimental Biology. 
520 |a Root architecture impacts water and nutrient uptake efficiency. Identifying exactly which root architectural properties influence these agronomic traits can prove challenging. In this paper, approximately 300 wheat (Triticum aestivum) plants were divided into four groups using two binary classifications, high versus low nitrogen uptake efficiency (NUpE), and high versus low nitrate in the growth medium. The root system architecture for each wheat plant was captured using 16 quantitative variables. The multivariate analysis tool, linear discriminant analysis, was used to construct composite variables, each a linear combination of the original variables, such that the score of the plants on the new variables showed the maximum between-group variability. The results show that the distribution of root-system architecture traits differs between low- and high-NUpE plants and, less strongly, between low-NUpE plants grown on low versus high nitrate media 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
650 4 |a Linear discriminant analysis 
650 4 |a Mahalanobis distance 
650 4 |a Triticum aestivum 
650 4 |a Watkins lines 
650 4 |a nitrogen uptake efficiency 
650 4 |a plant phenotyping 
650 4 |a root system architecture 
650 4 |a wheat root biology 
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650 7 |a Nitrogen  |2 NLM 
650 7 |a N762921K75  |2 NLM 
700 1 |a Atkinson, Jonathan A  |e verfasserin  |4 aut 
700 1 |a Wells, Darren M  |e verfasserin  |4 aut 
700 1 |a Gaju, Oorbessy  |e verfasserin  |4 aut 
700 1 |a De Silva, Jayalath G  |e verfasserin  |4 aut 
700 1 |a Foulkes, M John  |e verfasserin  |4 aut 
700 1 |a Dryden, Ian L  |e verfasserin  |4 aut 
700 1 |a Wood, Andrew T A  |e verfasserin  |4 aut 
700 1 |a Bennett, Malcolm J  |e verfasserin  |4 aut 
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773 1 8 |g volume:68  |g year:2017  |g number:17  |g day:13  |g month:10  |g pages:4969-4981 
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