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The potential of crop management practices to reduce pollen beetle damage in oilseed rape
- Skellern, Matthew P., Cook, Samantha M.
- Arthropod-plant interactions 2018 v.12 no.6 pp. 867-879
- Brassica napus, Brassicogethes aeneus, crop rotation, crops, insecticide resistance, integrated pest management, intensive farming, landscapes, natural enemies, nutrition, plant density, plant pests, population dynamics, pyrethroid insecticides, tillage, Europe
- A major problem associated with agricultural intensification over recent decades has been the development of insecticide resistance in crop pest populations. This has been a particular issue for control of the pollen beetle (Brassicogethes aeneus syn. Meligethes aeneus), a major pest of oilseed rape throughout Europe. Sustained and often prophylactic use of pyrethroid insecticides has led to the development of insecticide-resistant beetle populations, and alternatively, more environmentally benign integrated pest management strategies are sought for the pest. The population dynamics of pollen beetles and their natural enemies, and the damage caused by the pest, are influenced by processes acting at multiple scales, from the regional or landscape scale down to the local field or within-field scale. In this review, we focus on the within-field scale, and how crop management factors, including tillage, crop plant density, crop nutrition and crop rotations may be optimised and incorporated into integrated pest management strategies for more sustainable and effective control of the pest.