Effect of IAA and 4-Cl-IAA on growth rate in maize coleoptile segments

@article{Karcz1999EffectOI,
  title={Effect of IAA and 4-Cl-IAA on growth rate in maize coleoptile segments},
  author={Waldemar Karcz and Hartwig Luethen and Michael B{\"o}ttger},
  journal={Acta Physiologiae Plantarum},
  year={1999},
  volume={21},
  pages={133-139}
}
The dose-response curves for IAA and 4-Cl-IAA-induced growth of Zea mays L. coleoptile segments were studied as a function of time. Moreover, some characteristic growth parameters for both auxins were compared. The dose-response curve of growth rate measured after IAA or 4-Cl-IAA application was bell-shaped in all experiments. The optimum concentration was 10−6 M for 4-Cl-IAA and was found not to depend on the time of the growth measurement. However, in the case of IAA the optimum shifted from… CONTINUE READING