Effect of mowing, rust infection and seed production upon C and N reserves and morphology of the perennial Veratrum album L. (Liliales, Melanthiaceae)

Schaffner, Urs; Nentwig, Wolfgang; Brändle, Roland (1995). Effect of mowing, rust infection and seed production upon C and N reserves and morphology of the perennial Veratrum album L. (Liliales, Melanthiaceae). Botanica Helvetica, 105(1), pp. 17-23. Birkhäuser 10.5169/seals-71751

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In this field study the effect of mowing, rust infection and seed production was determined on nonstructural carbohydrate (C) and Kjeldahl nitrogen (N) reserves in rhizomes, as well as on plant morphology of the perennial weed Veratrum album L. (Liliales, Melanthiaceae). Rust infection and seed production had only a minimal influence on the concentrations of C and of N during either the summer or the following winter. However, mowing one month after early shoot growth led to decreased C (-40%) and increased N (+100%) concentrations of rhizomes sampled during the following winter. In a long-term experiment, the decrease in C reserves was shown to coincide with dwarfism of V. album plants. Mowing for six consecutive years reduced total plant biomass by 50%. Accordingly, total N and C reserves per plant rhizome decrease substantially. However, seasonal patterns of C and N concentrations were not influenced by mowing, except for the differences in winter concentrations that were already observed in the Short-term experiment. Long-time mowing not only led to dwarfism of V. album plants, but also significantly decreased generative and vegetative proliferation.

Item Type:

Journal Article (Original Article)

Division/Institute:

08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS) > Anoxia / Postanoxia (discontinued)
08 Faculty of Science > Department of Biology > Institute of Ecology and Evolution (IEE)
08 Faculty of Science > Department of Biology > Institute of Ecology and Evolution (IEE) > Community Ecology
08 Faculty of Science > Department of Biology > Institute of Plant Sciences (IPS)

UniBE Contributor:

Nentwig, Wolfgang and Brändle, Roland

Subjects:

500 Science > 570 Life sciences; biology
500 Science > 580 Plants (Botany)
500 Science > 590 Animals (Zoology)

ISSN:

0253-1453

Publisher:

Birkhäuser

Language:

English

Submitter:

Peter Alfred von Ballmoos-Haas

Date Deposited:

07 Mar 2017 08:48

Last Modified:

14 Nov 2017 15:11

Publisher DOI:

10.5169/seals-71751

Uncontrolled Keywords:

Veratrum album, nitrogen/carbohydrate reserves, mowing, seed production, fungal infection

BORIS DOI:

10.7892/boris.91767

URI:

https://boris.unibe.ch/id/eprint/91767

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