Abstract
A comparison of the efficiency of a broad range of plant growth retardants on cell division growth of 13 cell suspension cultures is presented. The results show that (1) the new plant bioregulator tetcyclacis (NDA) is the compound with the highest activity in inhibiting cell division of all cultures tested, and (2) cell cultures react species-specifically to various compounds. Significant correlations between the results from suspension cultures and intact seedlings of the same plant species demonstrate the usefulness of cell cultures for identifying substances with a growth-regulating potency. Futhermore, the usefulness of cell cultures for establishing structure-activity relationships was shown with structural analogues of chlormequat and mepiquat chloride.
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Grossmann, K., Rademacher, W., Sauter, H. et al. Comparative potency of different plant growth retardants in cell cultures and intact plants. J Plant Growth Regul 3, 197–205 (1984). https://doi.org/10.1007/BF02042004
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DOI: https://doi.org/10.1007/BF02042004