Full TGIF Record # 183859
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Web URL(s):https://link.springer.com/article/10.1007%2Fs11104-011-0752-8
    Last checked: 10/05/2017
Publication Type:
Author(s):Mommer, Liesje; Visser, Eric J. W.; van Ruijven, Jasper; de Caluwe, Hannie; Pierik, Ronald; de Kroon, Hans
Author Affiliation:Mommer, Visser, de Caluwe and de Kroon: Institute for Water and Wetland Research, Experimental Plant Ecology, Radboud University Nijmegen, Nijmegen, The Netherlands; Mommer and van Ruijven: Nature Conservation and Plant Ecology Group, Wageningen UR, Wageningen, The Netherlands; Pierik: Plant Ecophysiology, Institute of Environmental Biology, Utrecht University, Utrecht, The Netherlands
Title:Contrasting root behaviour in two grass species: A test of functionality in dynamic heterogeneous conditions
Source:Plant and Soil. Vol. 344, No. 1-2, July 2011, p. 347-360.
# of Pages:14
Publishing Information:Dordrecht, Netherlands: Kluwer Academic Publishers
Related Web URL:https://link.springer.com/article/10.1007%2Fs11104-011-0752-8#Abs1
    Last checked: 07/09/2018
    Notes: Abstract only
Keywords:TIC Keywords: Anthoxanthum odoratum; Competitive ability; Festuca rubra; Nutrient uptake; Nutrition; Root analysis; Root length; Root systems
Abstract/Contents:"Root systems are highly plastic as they express a range of responses to acquire patchily distributed nutrients. However, the ecological significance of placing roots selectively in nutrient hotspots is still unclear. Here, we investigate under what conditions selective root placement may be a significant functional trait that determines belowground competitive ability. We studied two grasses differing in root foraging behaviour, Festuca rubra and Anthoxanthum odoratum. The plants were grown in stable and more dynamic heterogeneous environments, by switching nutrient patches halfway through the experiment. A. odoratum was a factor of two less selective in placing its roots into nutrient-rich patches than F. rubra. A. odoratum produced overall higher root length densities with higher specific root length than F. rubra and acquired more nutrients. A. odoratum appeared to be the superior competitor, irrespective of the nutrient dynamics. Our results suggest that root behaviour consisting of producing high root length densities at relatively low biomass investments can be a more effective foraging strategy than placing roots selectively in nutrient hotspots. When understanding the functionality of root traits among different species, specific root length may play a key role."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Mommer, L., E. J. W. Visser, J. van Ruijven, H. de Caluwe, R. Pierik, and H. de Kroon. 2011. Contrasting root behaviour in two grass species: A test of functionality in dynamic heterogeneous conditions. Plant Soil. 344(1-2):p. 347-360.
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DOI: 10.1007/s11104-011-0752-8
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    Last checked: 10/05/2017
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