AGERATINA ADENOPHORA PDF

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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Silene perlmanii no common name Current Classification: It is known to be invasive in Kenya and is also present in Uganda.

Flora of Zimbabwe: Species information: Ageratina adenophora

Dicotyledonae Summary of Invasiveness A. This species colonises forest margins, stream banks and disturbed areas, preferring shaded wetter areas but also growing in open sunny sites. From Wikipedia, the free encyclopedia. Crofton weed is also attacked by an exotic fungus, Cercospora eupatorii which is thought to have been introduced accidentally with P.

Sow the pasture mixture at a high rate and spotspray seedlings as they appear Auld, ; Parsons and Cuthbertson, This species tends to locally dominate exposed sites, where it excludes native species. Moist south-facing slopes are preferred in Queensland, Australia Land Protection,though it does not appear to be restricted to such areas.

Notes on Taxonomy and Nomenclature Top of page Ageratina combines the genus Ageratum with the suffix ‘ina’, meaning ‘pertaining to’, suggesting that the two genera are related; ‘adenophora’ is a combination of the Greek ‘aden’ a glandand ‘phoros’ meaning ‘bearing’ which refers to the oil-producing glands in the leaves.

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Taxonomic Tree Top of page Domain: They may also be spread in by ageratiina and vehicles and can contaminate agricultural produce.

These ‘seeds’ mm long and 0. A leaf spot disease, specific to A. The introduction of Eupatorium species to Australia.

Scientific name

In fact, this species is the cause of an acute pulmonary disease in horses which is known as “Tallebudgera horse disease” in Queensland and “Numinbah horse sickness” in New South Wales. These can be easily moved during cultivation.

Hawaiian Planters Records, Vector Transmission It is possible that seeds could attach to the hair, skin or feathers of animals with mud thus facilitating their spread. Soil Tolerances Top of page Soil drainage free impeded seasonally waterlogged Soil reaction acid neutral Soil texture heavy light medium Special soil tolerances infertile saline shallow.

Ageratina adenophora

However, they are topped with a ring pappus of numerous whitish hairs mm longwhich are readily shed. US Fish and Wildlife Service, c.

These species can be distinguished by the following differences:. Ageratina adenophora is regarded as an environmental weed in many parts of the world. Biological control of weeds in India.

Broussonetia papyrifera, Prosopis juliflorano effects have been observed with A. This name was used by Dioscorides for a number of different plants.

This could be a major means of dispersal when moving livestock from infested to clear pastures during wet ageeatina in the seed-setting periods. Its spread is restricted there now due to adequate legislation and control measures. Cattle find it unpalatable, sheep and goats eat it without apparent ill effect if other pasture is present, but horses, eating it readily, die as a result. Recovery Plan for Ageratia Plants: Outside its native range in Mexico, the only promising natural enemy reported is the native Australian crown-boring weevil, Dihammus argentatus.

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History of Introduction and Spread Top of page Adfnophora intentionally to many parts of the world as an ornamental averatina the s, this native of Central America is now naturalized and widely established as a serious weed in many tropical and sub-tropical areas, especially north-eastern and southern India between sea level and m, also Nigeria, South-East Asia, Pacific Islands, New Zealand and Australia.

Biological Control Because biological control of Crofton weed was fairly successful in Hawaii, USA, the trypetid gall fly, Procecidochares utilis, was introduced to Queensland, Australia, in Ageratina adenophora has also spread in Hawaii and the mainland United States, where it is recognised as a weed in ten states of the South and Southwest.

They are followed by a small brown seed with a white feathery ‘parachute’. Inkata Press, pp. It is adennophora common in northern New South Wales, but is also relatively common along the central coast and in the northern parts of the south coast.