Abstract
THE sex ratio of the potato root eelworm Heterodera rostochiensis Wollenweber has been under investigation in this laboratory since 1950. From the first it appeared that the ratio is very variable; it is now clear (a) that the ratio can be different on primary and lateral roots, and (b) that it varies with the intensity of infection.
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References
Goodey, T., “Laboratory Methods for Work with Plant and Soil Nematodes” (London, 1949).
Oostenbrink, M., Versl. en Meded. Plantenziektenkundige Dienst, No. 115 (1950), and personal communication (1954).
Peters, B. G., and Fenwick, D. W., Ann. App. Biol., 36, 334 (1949).
Jones, F. G. W., personal communication (1954).
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ELLENBY, C. Environmental Determination of the Sex Ratio of a Plant Parasitic Nematode. Nature 174, 1016–1017 (1954). https://doi.org/10.1038/1741016b0
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DOI: https://doi.org/10.1038/1741016b0
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