Translations:Manfred Klett: Von der Agrartechnologie zur Landbaukunst/896/en

At the same time, however, the crucifers also attract a multitude of feeding insects, foremost among them flea beetle (Phyllotreta spp.), cabbage fly (Chortophila brassicae), pollen beetle (Meligethes aeneus) and others. Equally damaging is a series of fungal diseases — primarily clubroot (Plasmodiophora brassicae), which as a typical crop-rotation disease largely determines the incompatibility of the brassicas, oilseed rape and so on, but also of cruciferous weeds among themselves. Oilseed rape is furthermore a host plant for numerous

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