1 Japan Science and Technology Agency, Precursory Research for Embryonic Science and Technology, Kawaguchi, Saitama 332-0012, Japan; and Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo, Tokyo 113-8657, Japan.
2 Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Aichi 464-8601, Japan; and School of Agriculture and Environment, Faculty of Science, The University of Western Australia, Crawley, Western Australia 6009, Australia.
3 International Center for Research and Education in Agriculture, Nagoya University, Nagoya, Aichi 464-8601, Japan.
4 Graduate School of Agricultural and Life Sciences, The University of Tokyo, Bunkyo, Tokyo 113-8657, Japan atsutsu@mail.ecc.u-tokyo.ac.jp.
Distance-to-time conversion by using the Gompertz model compensates for the differences in root elongation rates among different genotypes and conditions, and reveals age-dependent aerenchyma formation.