Figure 5 | Scientific Reports

Figure 5

From: IBA and melatonin increase trigonelline and caffeine during the induction and initiation of adventitious roots in Coffea arabica L. cuttings

Figure 5

Caffeine (a), trigonelline (b), total phenols (c), and PPO polyphenoloxidase (d) as a function of melatonin and IBA application at 0, 7, 28, 47 and 69 DAP (days after planting) in Coffea arabica cuttings. Lowercase letters compare the stimulants (melatonin and IBA) within each day after planting (DAP). Uppercase letters compare the DAP within each stimulant by Duncan’s test (p < 0.05).

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