| Abstrakt: |
The efficacy of Syzygium aromaticumand Rosmarinus officinalisoils in the emulsion and nano-emulsion forms, Pyrimethanil, and Serenade ASO in controlling Botrytis cinereawas investigated. Data showed that S. aromaticumnano-emulsion had the greatest inhibitory effect on B. cinereagrowth, followed by Pyrimethanil, S. aromaticumemulsion, and Serenade ASO. The highest concentration of 3% S. aromaticumnano-emulsion completely inhibited B. cinereagrowth as a Pyrimethanil treatment. Postharvest application on strawberries with artificial inoculation and stored at 5 and 20 °C had a variable effect on fruit grey mould reduction. In the first season, when stored at 5 and 20 °C, S. aromaticumnano-emulsion caused the least fruit grey rot, followed by Pyrimethanil, S. aromaticumemulsion, and Serenade ASO, in that order. However, after a second season of storage at 5 and 20 °C, S. aromaticumnano-emulsion had the greatest inhibitory effect, followed by Pyrimethanil, Serenade ASO, and S. aromaticumemulsion, in that order. In all treatments, storage at 5 °C increased total soluble solids (TSS%) compared to storage at 20 °C. SEM images of B. cinearahyphae treated with S. aromaticumnano-emulsion, Rosmarinus officinalisnano-emulsion, and Serenade ASO revealed degenerative and lysis changes in hyphal morphology. In comparison to thick, elongated, smooth-surfaced control hyphae, shrunken hyphal cells had either no cytoplasm or cytoplasm depleted of organelles. |
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