Abstract
Breeding for plant resistance to insect pests is a classic strategy in integrated management, but it has never been developed for use against European pests of oilseed rape (Brassica napus) (OSR), especially one of the most damaging ones, the pollen beetle (Meligethes aeneus). In this paper we look at the three strategies that could be employed to improve OSR resistance (based on transgenes, relatives of B. napus or OSR natural variation) and review our current knowledge as to how these strategies could be put into practice. We identify the drawbacks which are specific to the pollen beetle that could impede breeding programs for resistance, and propose an approach to circumvent them. Finally, we detail the steps of the interaction between OSR and the pollen beetle that could be targeted in order to improve plant resistance (host plant location, adult survival, adult feeding, egg production and oviposition, larval development) and discuss their efficiency and durability potential.
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