Polyploidy and self-fertility in Allium. / Note on the somatic chromosomes of some colchicum species. / Syncyte formation in the pollen mother-cells of haploid phleum pratense. / On the normal occurrence of chromosome doublings in second-year root tips of sugar beets.
Lund 1936-44. (21) s. Fyra enkla särtryck. Biblioteksstämpel på en av dem. [A4397]
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