Biological control of crofton weed, Ageratina adenophora (Asteraceae), in South Africa

Crofton weed, Ageratina adenophora (Sprengel) King and Robinson, an asteraceous shrub from Mexico, was probably introduced into Southern Africa during the 1940s. Although it is a problem weed of crops, plantations and pastures in many parts of the world, A. adenophora is still largely restricted to...

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Bibliographic Details
Published in:Agriculture, ecosystems & environment ecosystems & environment, 1991, Vol.37 (1), p.187-191
Main Author: Kluge, R.L.
Format: Article
Language:English
Subjects:
Agronomy. Soil science and plant productions
Biological and medical sciences
biological control
Biological control and other methods
Diptera
Fundamental and applied biological sciences. Psychology
Parasitic plants. Weeds
Phytopathology. Animal pests. Plant and forest protection
Procecidochares utilis
Tephritidae
weed control
Weeds
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Summary:Crofton weed, Ageratina adenophora (Sprengel) King and Robinson, an asteraceous shrub from Mexico, was probably introduced into Southern Africa during the 1940s. Although it is a problem weed of crops, plantations and pastures in many parts of the world, A. adenophora is still largely restricted to the mist-belt region in Natal. In an attempt to contain the spread of the weed, a stemgalling fly, Procecidochares utilis Stone, and a leaf spot fungus, Phaeoramularia sp., have been established recently on A. adenophora in South Africa, but with little apparent effect as yet.
ISSN:0167-8809
1873-2305
DOI:10.1016/0167-8809(91)90146-O