Hydrogen-ion concentration influences upon the rate of mitosis in root tips of Trillium sessile L 1 Hydrochloric acid and sodium hydroxide
Bailey, P.C.
Cytologia: 292-299
1956
ISSN/ISBN: 0011-4545 Accession: 024807366
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The total percentage of dividing nuclei in root tips placed in distilled water is approximately one-half that of root tips from rhizomes potted in peat moss. Root tips of T. sessile can tolerate a pH range between 4.1 and 8.9 for as long as 96 hours. Exposure of root tips to concentrations of.0001 HC1 results in a very significant decrease in the total percentage of dividing nuclei after 24 hours. Concentrations of.00005 .000025 and 0000125 HCl show a decrease in the precentage of dividing nuclei after 48 hours, however, this percentage increases again after 72 and 96 hours.