Antifungal effect and control of Alternaria fruit rot in blueberry through ε-polylysine hydrochloride
Copyright © 2025 Elsevier Masson SAS. All rights reserved.
| Publié dans: | Plant physiology and biochemistry : PPB. - 1991. - 222(2025) vom: 01. Mai, Seite 109694 |
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| Auteur principal: | |
| Autres auteurs: | , , , , , , |
| Format: | Article en ligne |
| Langue: | English |
| Publié: |
2025
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| Accès à la collection: | Plant physiology and biochemistry : PPB |
| Sujets: | Journal Article Alternaria sp. Antifungal agent Blueberry Disease resistance ε-polylysine hydrochloride Polylysine 25104-18-1 Antifungal Agents Hydrogen Peroxide |
| Résumé: | Copyright © 2025 Elsevier Masson SAS. All rights reserved. Blueberry was easily infected by Alternaria sp. during storage time, leading to Alternaria fruit rot (AFR). ε-polylysine hydrochloride (ε-PL), a widely used food additive, was evaluated for its antifungal efficacy at different concentrations and its effects on the quality of blueberries treated with 3 g L-1 ε-PL. The results revealed that ε-PL effectively inhibited the mycelial growth of Alternaria sp. by destroying its cell membrane structure, resulting in nucleic acid and soluble protein leakage. Furthermore, ε-PL treatment reduced the incidence of AFR in blueberries by 23.7 % at 4 d. It enhanced the disease resistance of blueberries by increasing both the activity and gene expression of β-1,3-glucanase. Additionally, ε-PL elevated the activities and gene expression of antioxidant enzymes, thereby reducing hydrogen peroxide content by 62.77 %. These findings suggested that ε-PL could serve as a novel antifungal agent for managing postharvest AFR in blueberries |
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| Description: | Date Completed 06.05.2025 Date Revised 06.05.2025 published: Print-Electronic Citation Status MEDLINE |
| ISSN: | 1873-2690 |
| DOI: | 10.1016/j.plaphy.2025.109694 |