Use este identificador para citar ou linkar para este item: http://repositorio.ufla.br/jspui/handle/1/30312
Título: Postharvest quality of essential oil treated roses
Título(s) alternativo(s): Qualidade pós-colheita de rosas tratadas com óleos essenciais
Palavras-chave: Rosa sp.
Alternative control
Cold storage
Natural products
Controle alternativo
Armazenamento refrigerado
Produtos naturais
Data do documento: 2017
Editor: Sociedade Brasileira de Floricultura e Plantas Ornamentais (SBFPO)
Citação: MANFREDINI, G. M. et al. Postharvest quality of essential oil treated roses. Ornamental Horticulture, Campinas, v. 23, n. 2, p. 192-199, 2017.
Resumo: The loss of commercial quality during storage and transportation of roses is one of the factors that reflect on production costs, leading producers to preventively apply harmful chemicals, mainly to hamper Botrytis cinerea development and reduce further losses. An alternative to increase flower longevity without contaminating the environment with harmful chemicals is the use of natural products, such as essential oils, which have fungistatic and insecticide properties, as well as low toxicity. The objective of this study was to evaluate the effect of essential oils on the vase life of Rosa cv. Avalanche: 12 treatments were tested, resulting from the combination of 5 types of essential oils plus the control in two cold storage periods (2 to 6 days) at 1 °C, 90-95% RH. The essential oils tested were eucalyptus, cinnamon, lemongrass and peppermint (1%), clove (0.1%), plus a control with distilled water. Application was made by spraying the flower buds. After storage at low temperatures, the flower stems were kept in a room (16 °C, 70% RH) during 10 days for evaluation. Flower stems stored for 2 days in a cold chamber showed better means for darkening, turgor and bent neck, as well as a lower weight loss by the stems. The application of lemongrass essential oil at 1% caused burns on the petals, compromising quality and pot life. The essential oils of peppermint and eucalyptus allowed flower quality maintenance until the 10th day of evaluation. It is possible to conclude that post-harvest spraying with peppermint or eucalyptus essential oil at 1%, combined with cold storage for 2 days, provided greater longevity and quality for cv . Avalanche roses.
URI: http://repositorio.ufla.br/jspui/handle/1/30312
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