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Biology and management of economically important lepidopteran cereal stem borers in Africa.
The status of knowledge about economically important cereal stem borers in Africa is summarized with emphasis on their distribution, pest status and yield losses, diapause, natural enemies, cultural control, host plant resistance, and biological control. Expand
The use of push-pull strategies in integrated pest management.
The principles of the strategy are described, the potential components are listed, and case studies reviewing work on the development and use of push-pull strategies in each of the major areas of pest control are presented. Expand
Exploiting chemical ecology and species diversity : stem borer and striga control for maize and sorghum in Africa
There has been considerable take-up of the system within the communities where farmer-managed trials have been carried out, particularly in the Trans Nzoia and Suba districts of Kenya, and the programme is set to expand throughout and beyond Kenya. Expand
Utilisation of Wild Gramineous Plants for Management of Cereal Stemborers in Africa
Field trials in Kenya demonstrated that the forage grass, Sorghum vulgare sudanense (Sudan grass) attracted greater oviposition by stemborers than cultivated maize, resulting in significant increase in maize yield and significant reduction in stemborer infestation. Expand
Intercropping increases parasitism of pests
Intercropping with the non-host molasses grass, Melinis minutiflora, significantly decreased levels of infestation by stem-borers in the main crop and also increased larval parasitism of stem- borers by Cotesia sesamiae. Expand
Chemical ecology and conservation biological control
This work reviews recent research on ‘push–pull’ strategies and synthetic HIPVs in recruitment of beneficial arthropods and warding off pest attack, and identifies the promoter sequences associated with external plant signals that induce biochemical pathways that could be ‘switched on’ prior to insect attack. Expand
Habitat Management Strategies for the Control of Cereal Stemborers and Striga in Maize in Kenya
The integrated ’push-pull’ strategies were shown to increase parasitism of stemborers through attraction of parasitoids to one of the intercrops, molasses grass, which drastically reduced damage to maize by the parasitic weed, striga. Expand
On-farm evaluation of the 'push-pull' technology for the control of stemborers and striga weed on maize in western Kenya
Assessment of the ‘push–pull’ technology in maize-based farming systems in western Kenya demonstrates that the technology is equally effective in controlling both pests with concomitant yield increases under farmers’ conditions. Expand
Control of Witchweed Striga hermonthica by Intercropping with Desmodium spp., and the Mechanism Defined as Allelopathic
- Z. Khan, A. Hassanali, +5 authors C. Woodcock
- Biology, Medicine
- Journal of Chemical Ecology
- 1 September 2002
During investigations into the control of insect damage to maize crops in subsistence farming in Kenya, the fodder legumes silverleaf (Desmodium uncinatum) and greenleaf were found to reduce dramatically the infestation of maize by parasitic witchweeds such as Striga hermonthica. Expand