Secondary metabolites of the leaf surface affected by sulphur fertilisation and perceived by the cabbage root fly

  title={Secondary metabolites of the leaf surface affected by sulphur fertilisation and perceived by the cabbage root fly},
  author={Cristina M. Marazzi and Bruno Patrian and Erich St{\"a}dler},
Surrogate leaves treated with methanolic leaf surface extracts of Brassica napus L. (cv Express) plants that received three different sulphur fertilisation treatments showed even more marked differences by the oviposition choice of Delia radicum L. than the potted plants. This confirms that the oviposition preference of D. radicum is mediated by chemical compounds on the leaf surface and that the quality of host-plants in terms of their nutrition status can be perceived by the female insect… CONTINUE READING
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