Locations within which Ageratina adenophora is naturalised include Australia, southern Europe, Africa, Asia, New Zealand, south-western USA and many. Photo: Bart Wursten Ballantyne Park, Harare. Ageratina adenophora. Photo: Bart Wursten Ballantyne Park, Harare. Ageratina adenophora. Photo: Bart Wursten. A. adenophora has proved to be a very aggressive invasive species in some parts of the world, notably Australia, where it forced some farmers.

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Biological control of weeds in India. Biology and Ageartina Top of page Genetics Little is known and even less is published regarding the genetics and evolutionary origin and affinities of A.

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This species ageratona to locally dominate exposed sites, where it excludes native species. The Australian Journal of science, Some medicinal uses are recorded in Yunnan, China, but, as with many references to its use as a quality green manure and mulch, these may refer to A. Phyllostegia mollis no common name. A preliminary study of the pamakani plant Eupatorium glandulosum H.

There are reports of farms losing all their horses to the condition.

Hawaiian Ecosystems at Risk Project. The liver can also be affected, but death from respiratory failure is the eventual result. In Europe it is restricted to Mediterranean regions, and even within these, to those with warmer climates, such as Atlantic and Mediterranean islands.

Broussonetia papyrifera, Prosopis juliflorano effects have been observed with A. The tephritid was later identified as Procecidochares utilis and has been widely introduced as a biological control agent but in most countries where it has become established it is heavily parasitized by native parasitoids and has had little impact.


These can be easily moved during adennophora.

Insecticidal activity of extracts from Eupatorium adenophorum against four stored grain insects. The tiny tubular florets mm long are white and contain both male and female flower parts they are bisexual. It also thrives in damp areas such as wetland margins, drainage lines, gullies and in clearings in wetter forests.

However, whether due to the effects of quarantine, declaration as a weed or to other reasons, Australia’s Virtual Herbarium Royal Botanic Gardens Sydney, still only records it as present in New South Wales and Queensland, rare in South Australia and absent elsewhere in the country.

Don’t need the entire report? The status of insects introduced for the biological control of weeds in Queensland. Sheldon Navie close-up of the flower-heads, each with numerous tiny tubular flowers Photo: Agriculture, Ecosystems and Environment, 37 The endangered native jute Corchorus cunninghamii is also threatened by invasion of crofton weed Ageratina adenophora and other weed species at many of the locations where it is known to exist.

Outside its native range in Mexico, the only promising natural enemy reported is the native Australian crown-boring weevil, Dihammus argentatus. Seeds mature and are shed between October and mid-January, the lower leaves of the plant dropping after seed fall. Remya mauiensis Maui remya.

Ageratina adenophora – Wikipedia

Proceedings of the Hawaiian Entomological Society, The giant spear lily Doryanthes palmeri is another vulnerable native species from south-eastern Queensland and north-eastern New South Wales that is threatened by crofton weed Ageratina adenophora.


It occurs at many sites on the island, but agdratina particularly apparent on exposed mountain slopes e. Ageratina adenophora is invasive in parts of Kenya including around Lake Naivasha A.

It spread so fast that in some areas dairy farmers and banana growers abandoned their holdings Auld,adenophorx Holm et al. Sheldon Navie close-up of the relatively broad and almost triangular leaves Photo: Hawaiian Planters Records, This name was used by Dioscorides for a number of different plants.

Schiedea lydgatei no common name.

Sheldon Navie the branched flower clusters at the tips of the stems Photo: Ageratina adenophoracommonly known as crofton weed or sticky snakerootis a species of flowering plant in the daisy family native to Mexico and Central America. It prefers wetter pastures e.

When several references are cited, they may give conflicting information on the status. Risks of introduction are high, as seeds may be a contaminant in a variety of traded products included cereal, stockfeeds, forage seeds, adenopohra, sand and gravel, and may also be imported in mud attached ageragina vehicles, agricultural machinery, livestock or humans themselves. Moist south-facing slopes are preferred in Queensland, Australia Land Protection,though it does not appear to be restricted to such areas.

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