Push–pull technology is a strategy for controlling agricultural pests by using repellent "push" plants and trap "pull" plants. For example, cereal crops like maize or sorghum are often infested by stem borers. Grasses planted around the perimeter of the crop attract and trap the pests, whereas other plants, like Desmodium, planted between the rows of maize, repel the pests and control the parasitic plant Striga. Push–pull technology was developed at the International Centre of Insect Physiology and Ecology (ICIPE) in Kenya in collaboration with Rothamsted Research, UK. and national partners. Research and development for the push-pull strategy was funded by a number of partners including the Gatsby Charitable Foundation of the UK, the Rockefeller Foundation, the UK’s Department for International Development, and the Global Environment Facility of the UNEP, among others. Additionally, research conducted jointly by the International Centre of Insect Physiology and Ecology and Rothamsted Research helped to identify effective companion plants to be used with this strategy and provided empirical evidence of the efficacy of push-pull pest management technology. This technology has further been taught to smallholder farmers through collaborations with universities, NGOs and national research organizations.
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