Cottonwood growth rate and fine root condensed tannin concentration

Cottonwood growth rate and fine root condensed tannin concentration

We examined the relationship between trunk diameter and diameter relative growth rate (RGR) and fine root condensed tannin concentration in 12 genotypes of eastern cottonwood (Populus deltoides Bartr. ex Marsh.) planted in three locations across the north central United States. Across genotypes, tru...

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Veröffentlicht in:Tree physiology 2004-09, Vol.24 (9), p.1063-1068
Hauptverfasser: Kosola, K.R, Dickmann, D.I, Hall, R.B, Workmaster, B.A.A
Format: Artikel
Sprache:eng
Schlagworte:
chemical constituents of plants
diameter
forest trees
genetic variation
genotype
Nitrogen - metabolism
Plant Roots - chemistry
Plant Stems - growth & development
Populus - chemistry
Populus - growth & development
Populus deltoides
proanthocyanidins
Proanthocyanidins - analysis
quantitative analysis
roots
Soil
stems
tree growth
Trees - chemistry
Trees - growth & development
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Zusammenfassung:We examined the relationship between trunk diameter and diameter relative growth rate (RGR) and fine root condensed tannin concentration in 12 genotypes of eastern cottonwood (Populus deltoides Bartr. ex Marsh.) planted in three locations across the north central United States. Across genotypes, trunk diameter, diameter RGR and root condensed tannin concentration were negatively correlated at one location (Wisconsin), but showed no significant correlation at the other locations (Iowa and Michigan). The factors responsible for this difference among sites remain unidentified, but may be related to soil fertility.
ISSN:0829-318X
1758-4469
DOI:10.1093/treephys/24.9.1063