Differences in relative growth rate in 11 grasses correlate with differences in chemical composition as determined by pyrolysis mass spectrometry |
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| Authors: | Gerard J. Niemann Jos B. M. Pureveen Gert B. Eijkel Hendrik Poorter Jaap J. Boon |
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| Affiliation: | (1) Department of Plant Ecology and Evolutionary Biology, University of Utrecht, P.O. Box 800.84, 3508. TB Utrecht, The Netherlands;(2) FOM Institute for Atomic and Molecular Physics, Kruislaan 407, 1098 SJ Amsterdam, The Netherlands |
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| Abstract: | Summary Eleven grass species varying in potential relative growth rate (RGR) were investigated for differences in chemical composition by pyrolysis mass spectrometry. The spectral data revealed correlations between RGR and the relative composition of several biopolymers. Species with a low potential RGR contained relatively more cell wall material such as lignin, hemicellulose, cellulose, polysaccharide-bound ferulic acid and hydroxyproline-rich protein, whereas species with a high potential RGR showed relatively more cytoplasmic elements such as protein (other than those incorporated in cell walls) and sterols. |
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| Keywords: | Cell components Grasses Interspecific variation Pyrolysis mass spectrometry Relative growth rate |
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