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- Title
The autecology of Eupatorium adenophorum Spreng. in Australia.
- Authors
Auld, B. A.; Martin, P. M.
- Abstract
<em>Eupatorium adenophorum</em> is a weed of coastal areas of eastern Australia. An account of the history of its introduction and spread is given and its distribution is described. Experiments showed that the seeds have a low percentage viability which may be related to their development by apomixis. The viable seeds have a germination requirement for light which, together with their small size, restricts the invasive power of the species. Seedlings display a degree of tolerance to shading to 10% daylight which is regarded as a useful attribute in competition with other colonizing plants. The period of maximum vegetative growth of established plants occurs when competition from summer pastures is declining in late summer and autumn. The necessity for mechanical control procedures to uproot crowns to prevent regrowth is demonstrated in a regeneration experiment. It is concluded that the species does not represent a threat to densely covered pastures and that the establishment of improved pastures is the main remaining limitation to <em>E. adenophorum</em> control.
- Subjects
EUPATORIUM; WEEDS; APOMIXIS; PLANT reproduction; SEEDLINGS
- Publication
Weed Research, 1975, Vol 15, Issue 1, p27
- ISSN
0043-1737
- Publication type
Article
- DOI
10.1111/j.1365-3180.1975.tb01092.x