Agroecology pp 47-69 | Cite as

Cropping Systems, Insect Movement, and the Spread of Insect-Transmitted Diseases in Crops

  • Alison G. Power
Part of the Ecological Studies book series (ECOLSTUD, volume 78)


Food production in the tropics has undergone tremendous modification in the last several decades, with traditional small, diversified farming systems being replaced by large-scale, input-intensive monocultures. It is clear that insecticide abuse and widespread dependence on single crop genotypes have resulted in many problems for the farmer, the environment, and the health and safety of rural workers (Bull, 1982). Along with other insect pests, insects that transmit pathogens to crops have evolved resistance to widely-used insecticides and have escaped regulation by their natural enemies. It is essential that we use our understanding of basic ecological processes to address the need for low-input agricultural technology for the tropics. If we are to encourage decreased use of pesticides, then we must offer alternative solutions to the problems of pest damage. These solutions depend on an adequate understanding of pest biology and behavior.


Biomass Sugar Maize Hull Sorghum 


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  • Alison G. Power

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