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. 2019 Oct 21;19:435. doi: 10.1186/s12870-019-2002-9

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 5 — Effects of exogenous IAA and NPA on AR formation in tomato cuttings. Tomato stem cuttings were grown in hydroponic solution to which either 10 μM IAA or 10 μM NPA was added, and AR primordia and roots were observed over a 9d time course. (i) Stem cutting at time 0 (0d). A-D AR formation in control stems. E-H AR formation in IAA-treated cuttings. Box and arrowhead in (A) and (E) show AR primordia. I-L AR formation in NPA-treated cuttings. Bow and arrowhead in (K) show curling root. Bars = 0.5 cm. Primordia number (M) and root length (N) at different time points of control, IAA- and NPA-treated tomato cuttings. Data are means and standard errors of five plants. The experiment was repeated twice. Data were collected 3, 5, 7 and 9 dpe