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- Title
The biology of Bassia birchii (F. Muell.) F. Muell.
- Authors
Auld, B. A.
- Abstract
The native perennial shrub, <em>Bassia birchii</em>, occurs as a weed over large areas of semi-arid eastern Australia. Its germination requirements and seedling growth were investigated and related to field observations and to possible means of control. Seeds cannot germinate until the woody fruit has broken down. Laboratory experiments showed that seeds would germinate throughout the year with most germinating at autumn and spring temperatures. Seedling deaths in the field are attributed to poor root growth, before the effects of water stress occurs. The spasmodic appearance of <em>Bassia birchii</em> infestations, particularly after droughts, is related to the dependence on the death of mature plants to provide propagules and fruit breakdown for germination. The unpredictable infestation pattern and the early development of spined fruits and basal buds on seedlings hinder control. Short period rotational or strategic grazing arc suggested as possible means of control of seedlings in areas where perennial pastures can be established.
- Subjects
MADHUCA; WEEDS; GERMINATION; SEEDLINGS; PASTURES
- Publication
Weed Research, 1976, Vol 16, Issue 5, p323
- ISSN
0043-1737
- Publication type
Article
- DOI
10.1111/j.1365-3180.1976.tb00421.x