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Impact of salicylic acid, abscisic acid, and methyl jamonate on postharvest quality and bioactive compounds of cultivated strawberry fruit

El-Mogy, Mohamed M, Ali, Marwa R, Darwish, Omaima S and Rogers, Hilary J 2019. Impact of salicylic acid, abscisic acid, and methyl jamonate on postharvest quality and bioactive compounds of cultivated strawberry fruit. Journal of Berry Research 9 (2) , pp. 333-348. 10.3233/JBR-180349

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Abstract

BACKGROUND: Strawberry is one of the most highly consumed fruits worldwide. However, it is highly a perishable fruit postharvest. OBJECTIVE: To assess the effect of dipping strawberry fruits after harvest in plant growth regulators to maintain postharvest quality. METHODS: Treatments tested were: 2 and 4 mM salicylic acid (SA), 0.25 and 0.50 mM abscisic acid (ABA) and methyl jasmonate at 0.25 and 0.50 mM (MeJA). Bioactive compounds and fungal growth were assessed over 12 days of storage at 4°C. RESULTS: Both concentrations of SA and MeJA significantly suppressed weight loss, decay and respiration rate and 0.50 mM ABA also reduced decay. Both concentrations of SA retarded color development, and total soluble solids content was enhanced by 0.50 mM ABA and MeJA treatments. The most effective treatments for preserving firmness were 0.25 mM MeJA and 4 mM SA. Reduction in loss of ascorbic acid and bioactive compounds during storage was achieved using the highest concentrations of SA, ABA, and MeJA. Fungal growth was suppressed by all treatments but the best treatment was MeJA at both concentrations. CONCLUSIONS: All three plant growth regulators reduce postharvest changes in strawberry but effects differ amongst the treatments.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Biosciences
Publisher: IOS Press
ISSN: 1878-5093
Date of First Compliant Deposit: 11 February 2019
Date of Acceptance: 10 February 2019
Last Modified: 17 Oct 2019 10:55
URI: http://orca.cardiff.ac.uk/id/eprint/119437

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