‘Push–pull’ pest control to reach more African farmers

SciDev.Net: Napier grass produces a gummy substance that traps freshly hatched stem borers A farming technology that uses intercropping to repel insect pests from food crops has been given a new lease of life by a programme to expand its uptake. The 'push--pull' strategy intercrops cereals with a repellent plant bordered by an attractive trap plant. For example, maize can be intercropped with desmodium, which repels ('pushes') pests such as the maize stem borer away from the crop, and bordered by Napier......

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