Management practices for control of ragwort species

The ragwort species common or tansy ragwort (Jacobaea vulgaris, formerly Senecio jacobaea), marsh ragwort (S. aquaticus), Oxford ragwort (S. squalidus) and hoary ragwort (S. erucifolius) are native in Europe, but invaded North America, Australia and New Zealand as weeds. The abundance of ragwort spe...

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Bibliographic Details
Published in:Phytochemistry reviews 2011-03, Vol.10 (1), p.153-163
Main Author: Leiss, Kirsten A
Format: Article
Language:English
Subjects:
Agricultural management
Alkaloids
Biochemistry
Biological control
Biomedical and Life Sciences
cattle
Chemical control
Chemistry/Food Science
Grazing
Herbivores
Life Sciences
Livestock
Marshes
Organic Chemistry
Packera
Pasture
Pasture management
Plant Genetics and Genomics
Plant Sciences
Pyrrolizidine alkaloids
Senecio erucifolius
Senecio jacobaea
Species
Weeds
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Description
Summary:The ragwort species common or tansy ragwort (Jacobaea vulgaris, formerly Senecio jacobaea), marsh ragwort (S. aquaticus), Oxford ragwort (S. squalidus) and hoary ragwort (S. erucifolius) are native in Europe, but invaded North America, Australia and New Zealand as weeds. The abundance of ragwort species is increasing in west-and central Europe. Ragwort species contain different groups of secondary plant compounds defending them against generalist herbivores, contributing to their success as weeds. They are mainly known for containing pyrrolizidine alkaloids, which are toxic to grazing cattle and other livestock causing considerable losses to agricultural revenue. Consequently, control of ragwort is obligatory by law in the UK, Ireland and Australia. Commonly used management practices to control ragwort include mechanical removal, grazing, pasture management, biological control and chemical control. In this review the biology of ragwort species is shortly described and the different management practices are discussed.
ISSN:1568-7767
1572-980X
DOI:10.1007/s11101-010-9173-1