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- Title
Post-harvesting longevity of bird of paradise (Strelitzia spp.) treated with carnauba wax.
- Authors
Baudraz de Paula, Jean Carlo; Bonfante Rosalem, Isadora; Ribeiro Júnior, Walter Aparecido; Danilo Shimizu, Gabriel; Tadeu de Faria, Ricardo; de Andrade Pacheco, Camilla; de Oliveira Junior, Admilton Gonçalves
- Abstract
The Strelitzias are tropical plants that point out in the market, frequently used in landscaping. The leaves are used for the support and padding, improving the apparency of flower arrangements. This work assessed the effect of different concentrations of a commercial product based on carnauba wax on the post-harvest longevity of Strelitzia juncea and Strelitzia reginae leaves, aiming to improve the post-harvest life of these leaves. The experiment was performed in a completely randomized experimental design, with five treatments and six repetitions, one leaf per repetition for each species. The concentrations used were: 0% (control), 2%, 20%, 40%, and 100%. The experiment assessed the leaf mass loss (%), the mass loss index, and the leaves' visual quality using a score criterion. The work included anatomical analyses of the stomatal structures by scanning microscopy. Mass loss displayed a linear behavior in both species, with mass loss during the time. S. reginae displayed lower mass loss as increasing the wax concentration. High dosages did not reduce the mass loss. In S. juncea, this variable displayed no differences among the dosages. Carnauba wax at concentrations between 20 and 40% effectively preserved the commercial quality of S. reginae and S.juncea leaves until the 24th day. Further studies are required to obtain the best dosage for these species. Wax deposition on the stomatal structures might have influenced the mass loss of both species' leaves.
- Subjects
WAXES; FLOWER arrangements; PARADISE; BIOLOGICAL extinction; TROPICAL plants
- Publication
Comunicata Scientiae, 2021, Vol 12, p1
- ISSN
2176-9079
- Publication type
Article
- DOI
10.14295/CS.v12.3421