Do high-tannin leaves require more roots

The well-known deceleration of nitrogen (N) cycling in the soil resulting from addition of large amounts of foliar condensed tannins may require increased fine-root growth in order to meet plant demands for N. We examined correlations between fine-root production, plant genetics, and leaf secondary...

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Veröffentlicht in:	Oecologia 2006-10, Vol.149 (4), p.668-675
Hauptverfasser:	Fischer, D.G, Hart, S.C, Rehill, B.J, Lindroth, R.L, Keim, P, Whitham, T.G
Format:	Artikel
Sprache:	eng
Schlagworte:	Animal and plant ecology Animal, plant and microbial ecology Biological and medical sciences chemical constituents of plants compensatory growth Ecological genetics Ecosystem Ecology Ecosystems Evolutionary genetics Fundamental and applied biological sciences. Psychology General aspects Genetic markers Genetics Genotypes Hybridization, Genetic Hybrids Leaf litter Leaves Mineralization Plant genetics Plant growth Plant Leaves - metabolism plant litter Plant roots Plant Roots - growth & development Plants Polymorphism, Restriction Fragment Length Populus - genetics Populus - growth & development Populus - metabolism Populus angustifolia Populus fremontii proanthocyanidins Proanthocyanidins - metabolism restriction fragment length polymorphism root growth Soil ecology Synecology Tannins Trees
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Beschreibung
Zusammenfassung:	The well-known deceleration of nitrogen (N) cycling in the soil resulting from addition of large amounts of foliar condensed tannins may require increased fine-root growth in order to meet plant demands for N. We examined correlations between fine-root production, plant genetics, and leaf secondary compounds in Populus angustifolia, P. fremontii, and their hybrids. We measured fine-root (
ISSN:	0029-8549 1432-1939
DOI:	10.1007/s00442-006-0471-7