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. 2020 May 11;9(5):610. doi: 10.3390/plants9050610

Figure 5.

Figure 5

Expression of ethylene biosynthesis genes in adventitious roots under aerated or stagnant conditions with or without N-1-naphthylphthalamic acid (NPA) treatment. Twenty-day-old aerobically grown wild type (WT) seedlings were further grown under aerated or stagnant conditions with or without 0.5 µM NPA for 48 h. Relative transcription levels of ACS1 (a) and ACO5 (b) at 5–15, 15–25, and 25–35 mm from the tips of adventitious roots. The gene encoding transcription initiation factor IIE (TFIIE) was used as a control. Different lowercase letters denote significant differences among the conditions (p < 0.05, one-way ANOVA followed by Tukey’s test for multiple comparisons). Values are means ± SD (n = 3).