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The Term ‘Eelworm-free Soil’ in Plant Quarantine Regulations

Abstract

INTERNATIONAL plant quarantine regulations now frequently require that imported plant material should be free from soil and should be accompanied by a certificate that the material was grown in soil free (inter alia) from the potato root eelworm, Heterodera rostochiensis, or possibly from other cyst-forming species of the same genus.

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References

  1. Oostenbrink, M., thesis, Wageningen (1950).

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PETERS, B. The Term ‘Eelworm-free Soil’ in Plant Quarantine Regulations. Nature 167, 368 (1951). https://doi.org/10.1038/167368c0

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