ABSTRACT
New Zealand Journal of Ecology (1987) 10: 67–76
©New Zealand Ecological Society
Research article
The Ecology of Ragwort (Senecio jacobaea)—a Review
D. A. Wardle 1,2
1 Ruakura Soil & Plant Research Station, Ministry of Agriculture & Fisheries, Private Bag, Hamilton, New Zealand
2 Present address: Department of Biological Science, 2500 University Drive, N.W., Calgary, Alberta, Canada T2N 1N4
Abstract: The available literature on ragwort is reviewed. The ecological behaviour of ragwort can be explained by its tendency to act as a colonising plant, which is encouraged by pasture disturbance. Ragwort-infested pasture and closed pasture alternate with each other, and this is influenced by a number of environmental and management factors.
Keywords: allelopathy; competition; dispersal; dormancy; grazing systems; herbicide control; management control; population ecology; ragwort; Senecio jacobaea L.
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