Management Information
Preventative measures: Hoshovsky (1986) states that soil disturbance should be kept to a minimum as it provides bare soil, which is very conducive to broom seedling establishment. Improper use of broadcast burning may contribute to a re-invasion. Planting of tall, growing shrubs or trees in or near C. scoparius stands may aid in reducing photosynthesis and possibly lead to their demise. Sowing native plant species which have the potential to out-compete weedy exotics for important resources is usually a preventive method of weed control. In some cases later successional plants may be encouraged to take root among the unwanted vegetation. C. scoparius stands provide a good environment for the establishment of other broadleaved shrubs or trees. Such seedlings should be looked for in the stands and encouraged. In addition, seeds of taller growing plants should be sown among this weed. For details on chemical, physical and biological control options, please see management information.
Location Specific Management InformationCalifornia (United States (USA))
In many areas of California, the use of Angora and Spanish goats is showing promise as an effective control for the weed (Daar 1983, in Hoshovsky, 1986). Garry Oak Ecosystems (Canada) (Canada)
The ISSC (Invasive Species Steering Committee) of the Garry Oak Ecosystems Recovery Team (GOERT) (a partnership of a number of governmental and non-governmental agencies) which focuses on research and management of invasive species in Garry oak and associated ecosystems has developed a Decision Support Tool for Invasive Species management and Field Manual for invasive species. The field manual for Cytisus scoparius can be seen here . Nelson (New Zealand)
C. scoparius has been designated as a 'Progressive control pest' and 'Boundary control pest' by the the Tasman-Nelson Regional Pest Management Strategy. The strategy has its effect over the combined area that lies within the administrative boundaries of the Tasman District Council and Nelson City Council. In areas of low distribution (Howard-St Arnaud area) the objective of the strategy is to reduce the distribution and density of C. scoparius. In areas where it is widespread the objective is to require boundary control (control the spread of C. scoparius from adjacent properties to land clear of C. scoparius, or being cleared of it), and to invest in biocontrol. Please see Hierarchy of Plant Designations for an explanation of designation terminology. Taranaki Region (New Zealand)
C. scoparius is classified as a 'Containment pest plant' in the The Pest Management Strategy for Taranaki. 'Containment pest plants' are pest plants that are abundant in suitable habitats in a region or part of a region and for which the long-term goal is to prevent the spread of the plant to new areas or to neighbouring properties.
Each pest plant has a management programme according to its designation. These programmes are summarised in the series of bulletins 'Pest Plant Facts'. Please see wild broom: C. scoparius for pest plant facts and management programmes. Tasman District (New Zealand)
C. scoparius has been designated as a 'Progressive control pest' and 'Boundary control pest' by the the Tasman-Nelson Regional Pest Management Strategy. The strategy has its effect over the combined area that lies within the administrative boundaries of the Tasman District Council and Nelson City Council. In areas of low distribution (Howard-St Arnaud area) the objective of the strategy is to reduce the distribution and density of C. scoparius. In areas where it is widespread the objective is to require boundary control (control the spread of C. scoparius from adjacent properties to land clear of C. scoparius, or being cleared of it), and to invest in biocontrol. Please see Hierarchy of Plant Designations for an explanation of designation terminology.
Management Resources/Links
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