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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Determining strategies for the biological control of a sugarcane stalk borer
Ecological Modelling, Volume 73, No. 1-2, Year 1994
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Description
The African stalk borer, Eldana saccharina, has become a serious pest to the sugar industry in southern Africa. Over the past decade the South African Sugar Association (SASA) has been investigating numerous indigenous and exotic parasitoids as a means of biologically controlling Eldana infestations in sugarcane. Laboratory results indicate Goniozus natalensis to be one of the most promising parasitoids for this purpose. To aid in analysis its efficacy a mathematical model was constructed. The model comprises a system of different equations governing the populations in the various stages of the E. saccharina life cycle and their interaction with the parasitoid G. natalensis. Using the model, various management strategies relating to the release of parasitoids were simulated. Relationships between the reduction in crop damage and the magnitude and frequency of releases were obtained. It was also found that a change in farming practices could lead to a self-sustaining parasitoid population with a 60% reduction in crop damage. © 1994.
Authors & Co-Authors
Hearne, John W.
South Africa, Durban
University of Kwazulu-natal
van Coller, L. M.
South Africa, Durban
University of Kwazulu-natal
Conlong, Desmond E.
South Africa, Mount Edgecombe
South African Sugar Association
Statistics
Citations: 18
Authors: 3
Affiliations: 2
Identifiers
Doi:
10.1016/0304-3800(94)90101-5
Research Areas
Violence And Injury
Study Design
Cross Sectional Study