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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Effect of ABA on PAL (a), POD (b), and PPO (c) activities in the tomato during storage at 20 °C. Vertical bars represent the standard deviation (SD, n = 3). Asterisks (*) represent significant differences (p < 0.05) between the ABA and control treatments.