Control of gorse in hill country: An economic assessment of chemical and biological methods

Krause, M.; Beck, A. C.; Dent, J. B.

doi:10.1016/0308-521x(88)90004-2

Cited by 8 publications

(6 citation statements)

References 7 publications

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“…25-30 goats ha -1 ) was shown to reduce gorse to negligible levels through depletion and injury of both stems and foliage (Radcliffe 1985). Krause et al (1988) found goats to be a more economical option for gorse control than herbicides. Gorse is also consumed by sheep, horses and cattle (Tubbs 1974;Radcliffe 1985).…”

Section: Responses To Herbivory Disease and Higher Plant Parasitesmentioning

confidence: 99%

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The biology of Canadian weeds. 112. Ulex europaeus L.

Clements¹,

Peterson²,

Prasad³

2001

Can. J. Plant Sci.

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R. 2001. The biology of Canadian weeds. 112. Ulex europaeus L. Can. J. Plant Sci. 81: 325-337. Gorse (Ulex europaeus L.) is a leguminous shrub native to western Europe and North Africa. During the past century it has greatly expanded its adventive range in Australia, New Zealand, Chile and Europe, and along the Pacific and Atlantic coasts of North America. In Canada, it is found in British Columbia (Vancouver, Vancouver Island, the Gulf Islands and Queen Charlotte Islands) where it is classed as a noxious weed. Gorse is also found from Virginia to Massachusetts on the east coast of North America. The shrub rapidly invades dry and disturbed areas, forming dense thickets that can suppress and inhibit native vegetation, including economically important conifer seedlings. It can occupy the same habitats as Scotch broom [Cytisus scoparius (L.) Link] but usually occurs on drier sites. Both of these legumes threaten native plant communities but U. europaeus persists longer and possesses conspicuous spines. Invasive characteristics of gorse include its evergreen habit, prolific seed production, longevity of seeds in the soil and nitrogen fixation. Human activities such as agriculture and construction of logging roads have accelerated the spread of gorse in British Columbia, but there is still an historic opportunity to restrict the population expansion that this species has exhibited in many other countries. Various methods of control (chemical, manual, biological and integrated) are evaluated. , mais il préfère habituellement des endroits plus secs. Ces deux légumineuses menacent les peuplements d'espèces indigènes, quoique la première persiste plus longtemps et présente des épines très évidentes. Parmi les caractéristiques qui font de l'ajonc d'Europe une plante envahissante, mentionnons un port semblable à celui des conifères, une production abondante de semences, la longévité des graines dans le sol et la capacité de fixer l'azote. Les activités humaines comme l'agriculture et la construction de chemins d'exploitation ont accéléré la propagation de l'ajonc d'Europe en Colombie-Britannique, mais on pourrait encore freiner son expansion, ce qui n'est plus le cas dans d'autres pays. Suit une évaluation de diverses méthodes de lutte (chimique, manuelle, biologique et intégrée).

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Section: Responses To Herbivory Disease and Higher Plant Parasitesmentioning

confidence: 99%

“…Radcliffe (1986) suggested that the 53 000 ha of scrub dominated by gorse in New Zealand could support 1 million goats. On the other hand, Krause et al (1988) regarded widespread infestation by gorse in New Zealand as reducing the potential for grazing by cattle and sheep.…”

Section: Economic Importance (A)mentioning

confidence: 99%

The biology of Canadian weeds. 112. Ulex europaeus L.

Clements¹,

Peterson²,

Prasad³

2001

Can. J. Plant Sci.

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“…Water hyacinth is widely recognized as the world's worst aquatic weed. Native to the Amazon basin, it was exported throughout the tropics and warm temperate regions for its and studies should be conducted to determine if indigm'fOUS phytoseids already exist in the area of introduction (Anonymous, 2003;Davies et al, 2004;Krause et al, 1988). CâS~3 ulien and Griffiths, 1998;Nakahara et al, 1992;1ER, 2006a;Trujillo, 2005) Çase 4: Pistia stratiotes L. (Araceae): Four sites are ;tffected (Martinique, Réunion, Bermuda, New Caledo-")'xhia).…”

Section: Biological Control Programmes In Eortsmentioning

confidence: 99%

Opportunities for classical biological control of weeds in European overseas territories.

Bourgeois¹,

Blanfort²,

Baret³

et al. 2008

Proceedings of the XII International Symposium on Biological Control of Weeds, La Grande Motte, France, 22-27 April, 2007

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Ultra~PeripheralRegions(UPRs) that are an int part oftheEurop~an Union and 21 Overseas Co and Territories (OeTs) thatbenefit from a systen1~'\Kt!'.•'.." close association ('fable 1). Hereafter these twlJ girOl:!PS '. are jointly, referred to as European Overse~s Re:gloios and TerritorieS (BORTs). These BORTs are hOIld~'!W biodiversity of worldwide importance, and Vl'l,~thi":!iîJf" perior to that of continental EUrope as a whole. FrenchUPRs and 13 oeTs are involved in four the 34 world biodiversity 'hotspots' (Conservat International"2006; Mittermeier et al., 2005). Mittetmeier,President of Conservation InterrlatjloIl~Âj.•/.' stated that the most remarkable places on Earth also the most tbreatened, and it is in these territc.I1~~• that the speed of species extinction is the fastest world{. wide. These territories have also hosted many spec;i es introductions-mainly plants, sorne ofwhich havebec ome inyasive., For instance, over the last 300 years, Opportunities for classical biological control of weeds in European overseas territories It is well knùwn that invasive alien speciesare con~. sidered to be one of the greatest tbreats to biodiyersity' after habitat degradation, particularly in island ecosystems. European ovetseas territories consist of seven

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“…Fallopia japonica, Japanese knotweed, Hollingsworth & Bailey 2000) or by species that spread by seed, but typically form dense stands (e.g. Ulex europaeus, Gorse, Krause et al 1988).…”

Section: An Effective Strategy?mentioning

confidence: 99%

The effects of cutting and herbicide treatment on Pteridium aquilinum encroachment

Pakeman¹,

Thwaites²,

Due

et al. 2002

Applied Vegetation Science

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Abstract. Pteridium aquilinum (bracken) encroachment is an important factor in the loss of certain habitats in the United Kingdom. However, no information exists as to whether prevention of encroachment is a cost‐effective strategy for Pteridium management. Conventional methods for the control of Pteridium (cutting, asulam application) were tested at one site (Levisham) to quantify their ability to prevent or delay encroachment and to affect the vigour of the Pteridium at the edge of the stand. The effects of encroachment and asulam application on the vegetation present were monitored at a second site (Ramsley), where techniques commonly used for moorland restoration were employed in combination with asulam application. Cutting once per year or a single application of asulam delayed the advance of the Pteridium front. At Levisham, the untreated front advanced 2.7 m in 5 yr, while in the same period the cut front advanced 0.88 m and the sprayed front was 1.5 m behind its initial position. At Ramsley, the untreated front invaded 1.8 m in 5 yr, and the sprayed front was again 1.5 m behind its starting position. Both spraying and cutting reduced frond biomass, frond cover and rhizome biomass. Herbicide spraying prevented the loss of Calluna vulgaris, though the restoration treatments had little effect. The merits of a balanced targeting of control on encroaching fronts or Pteridium at the stand level are discussed for different situations.

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Control of gorse in hill country: An economic assessment of chemical and biological methods

Cited by 8 publications

References 7 publications

The biology of Canadian weeds. 112. Ulex europaeus L.

The biology of Canadian weeds. 112. Ulex europaeus L.

Opportunities for classical biological control of weeds in European overseas territories.

The effects of cutting and herbicide treatment on Pteridium aquilinum encroachment

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