The Ecology of Ragwort (Senecio jacobaea)—a Review

Research Article

D. A. Wardle 1,2

Ruakura Soil & Plant Research Station, Ministry of Agriculture & Fisheries, Private Bag, Hamilton, New Zealand
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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The Ecology of Ragwort (Senecio jacobaea)—a Review