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Root parasite induced nitrogen transfer between plants is density dependent.

Dromph, Karsten M. and Cook, Roger and Ostle, Nick J. and Bardgett, Richard D. (2006) Root parasite induced nitrogen transfer between plants is density dependent. Soil Biology and Biochemistry, 38 (8). pp. 2495-2498. ISSN 0038-0717

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Abstract

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: Article
Journal or Publication Title: Soil Biology and Biochemistry
Uncontrolled Keywords: Plant-parasitic nematodes ; Legumes ; Nitrogen ; Clover ; Grassland
Subjects: Q Science > QH Natural history > QH301 Biology
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 10199
Deposited By: Prof Richard Bardgett
Deposited On: 11 Jul 2008 08:53
Refereed?: Yes
Published?: Published
Last Modified: 17 Sep 2013 10:48
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/10199

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