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The promotion of grassland forb abundance: A chemical or biological solution?

Westbury, D. B. and Dunnett, N. P. (2008) The promotion of grassland forb abundance: A chemical or biological solution? Basic and Applied Ecology, 9 (6). pp. 653-662. ISSN 1439-1791

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To link to this item DOI: 10.1016/j.baae.2007.08.006


Techniques that increase the biodiversity value of species-poor grassland are required if conservation targets aimed at reversing the decline in species-rich grassland are to be met. This study investigated the diversification of swards dominated by Lolium perenne by testing the efficacies of two treatments applied to reduce competitive exclusion of species introduced as seed. The 'biological' treatment was the addition of the hemiparasitic plant species introduced as seed. The 'biological' treatment was the application of a selective graminicide, fluazifop-P-butyl (Fusilade 250EW). Changes in plant community composition were monitored for a period of 2 years. Values of plant species richness increased significantly between years regardless of treatment, but to a greater extent in plots sown with R. minor. The number of established sown species and their richness and tended to promote unsown species rather than those introduced as seed. Overall, the R. minor treatment was associated with the greatest impact on sward composition, facilitating establishment and development of the introduced species and promoting forb abundance. (c) 2007 Gessellschaft fur Okologie. Published by Elsevier GmbH. All rights reserved.

Item Type:Article
Divisions:Life Sciences > School of Agriculture, Policy and Development
Interdisciplinary centres and themes > Soil Research Centre
ID Code:9372
Uncontrolled Keywords:Rhinanthus minor, Hemiparasite, Fluazifop-P-butyl, Fusilade, Graminicide, Grassland diversification, PLANT RHINANTHUS-MINOR, PARASITIC PLANT, SOIL FERTILITY, COMMUNITIES, DIVERSITY, MANAGEMENT, IMPACT, HOST, ANGUSTIFOLIUS, CONSERVATION

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