title: Mitotic cycle time in perennial and annual plants with various amounts of DNA and heterochromatin.
mesh_terms: D001345:Autoradiography; D004247:DNA / Q000032:analysis*; D006570:Heterochromatin / Q000032:analysis*; D008938:Mitosis; D059828:Plant Cells; D013936:Thymidine / Q000378:metabolism; D013997:Time Factors; D014316:Tritium
chemical_list: D006570:Heterochromatin; D014316:Tritium; D004247:DNA; D013936:Thymidine