Root parasite induced nitrogen transfer between plants is density dependent

Dromph, Karsten M; Cook, Roger; Ostle, Nick J.; Bardgett, Richard D.. 2006 Root parasite induced nitrogen transfer between plants is density dependent. Soil Biology and Biochemistry, 38 (8). 2495-2498.

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Recent studies point to the importance of soil borne parasites as agents of vegetation change via their negative effect on host plants. Here we show that these soil organisms can influence vegetation characteristics by increasing the transfer of the plant growth-limiting nutrient nitrogen (N) from their host, a N-fixing legume, to neighbouring grass species, thereby benefiting the growth of the neighbour. Furthermore, the amount of N transferred from the legume to the neighbour, and its consequent effect on the neighbours growth, was dependant on the density of root infestation. This mechanism of N transfer from legumes to neighbouring plant species is likely to be an important agent of vegetation change

Item Type: Publication - Article
Digital Object Identifier (DOI):
Programmes: CEH Programmes pre-2009 publications > Biogeochemistry > BG01 Measuring and modelling trace gas, aerosol and carbon > BG01.2 Carbon
UKCEH and CEH Sections/Science Areas: Shore
ISSN: 0038-0717
Additional Keywords: Plant-parasitic nematodes, Legumes, Nitrogen, Clover, Grassland
NORA Subject Terms: Agriculture and Soil Science
Biology and Microbiology
Ecology and Environment
Earth Sciences
Date made live: 09 Jul 2009 09:47 +0 (UTC)

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