Abstract
DESCRIPTIONS of orchid mycorrhiza consistently report the phenomenon of nuclear hypertrophy in infected host cells1–4, but there has been no quantitative analysis of the system. Recent demonstration of several nuclear DNA classes in non-infected post-germination protocorms5 suggests that endoreduplication may be a normal developmental feature of orchids.
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WILLIAMSON, B., HADLEY, G. DNA Content of Nuclei in Orchid Protocorms symbiotically infected with Rhizoctonia. Nature 222, 582–583 (1969). https://doi.org/10.1038/222582a0
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DOI: https://doi.org/10.1038/222582a0
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