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Cuticle of 'Gala' and 'Galaxy' apples cultivars under different environmental conditions
Tessmer, Magda Andréia; Antoniolli, Lucimara Rogéria; Appezzato-da-Glória, Beatriz.
  • Tessmer, Magda Andréia; Universidade de São Paulo. Escola Superior de Agricultura 'Luiz de Queiroz. Departamento de Ciências Biológicas. Piracicaba. BR
  • Antoniolli, Lucimara Rogéria; Universidade de São Paulo. Escola Superior de Agricultura 'Luiz de Queiroz. Departamento de Ciências Biológicas. Piracicaba. BR
  • Appezzato-da-Glória, Beatriz; Universidade de São Paulo. Escola Superior de Agricultura 'Luiz de Queiroz. Departamento de Ciências Biológicas. Piracicaba. BR
Braz. arch. biol. technol ; 55(5): 709-714, Sept.-Oct. 2012. ilus, tab
Artículo en Inglés | LILACS | ID: lil-651654
ABSTRACT
This study aimed to analyze the cuticle thickness and pattern of epicuticular wax deposition in 'Gala' and 'Galaxy' apple cultivars (Malus domestica Borkh,) from three Brazilian producing areas Vacaria (RS), Fraiburgo (SC) and São Joaquim (SC) with altitudes of 971, 1,048 and 1,353m, respectively. Harvested fruit were kept under two storage conditions regular atmosphere (RA) (0 ºC and 90% RH) and controlled atmosphere (CA) (1.5% O2, 2.5% CO2, 0ºC and 90% RH). Cuticle thickness measurements were made using LM and the deposition pattern of epicuticular wax observed with a SEM. Altitude among the apple producing areas was not a factor in deposition pattern of waxes between the cultivars but at higher altitudes, the cuticle was thicker in both the cultivars. In the freshly-harvested fruits, waxes deposition in the form of platelets and the mechanism of “tear and repair” were observed. Severity of microcracks in the cuticle was more evident on the fruits from CA.


Texto completo: Disponible Índice: LILACS (Américas) Idioma: Inglés Revista: Braz. arch. biol. technol Asunto de la revista: Biologia Año: 2012 Tipo del documento: Artículo País de afiliación: Brasil Institución/País de afiliación: Universidade de São Paulo/BR

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Texto completo: Disponible Índice: LILACS (Américas) Idioma: Inglés Revista: Braz. arch. biol. technol Asunto de la revista: Biologia Año: 2012 Tipo del documento: Artículo País de afiliación: Brasil Institución/País de afiliación: Universidade de São Paulo/BR