Abstract
DURING a study of the large New Zealand fern genus Blechnum, it was found virtually impossible to obtain somatic chromosome counts by orthodox methods. This aspect of the problem was about to be abandoned when a paper by Fabergé1 on the use of snail stomach cytase for maceration in cytology was discovered. There appears to be a general lack of knowledge of this method and its advantages. Manton2, for example, makes no mention of it.
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References
Fabergé, A. C., Stain Tech., 20, 1 (1945).
Manton, I., “Problems of Cytology and Evolution in the Pteridophyta” (Cambridge, 1950).
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CHAMBERS, T. Use of Snail Stomach Cytase in Plant Cytology. Nature 175, 215 (1955). https://doi.org/10.1038/175215a0
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DOI: https://doi.org/10.1038/175215a0
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