2004
DOI: 10.1590/s0103-84782004000600012
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Qualidade de pêssegos em pomares conduzidos de forma convencional e integrada

Abstract: Peach quality of conventional and integrated production orchards RESUMO O objetivo do trabalho foi avaliar as características de qualidade de frutas nos sistemas de produção integrada (PIF) e produção convencional (PCPalavras-chave: Prunus pesica, CIEL*a*b*, qualidade de fruto. ABSTRACT The aim of this work was to evaluate the fruits quality characteristics in the systems of Fruit integrated production (FIP) and conventional production (CP) in peach tree orchard of

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Cited by 4 publications
(3 citation statements)
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“…The colorimeter used performs the readings in the CIELAB color measurement system or CIE 1976 L*a*b*, in which, the L* coordinate is the lightness and expresses the degree of lightness of the measured color (100 = white; 0 = black). The a* coordinate expresses the degree of variation between green and red, being associated with peach fruits ripening (Byrne et al, 1991), and the b* coordinate expresses the degree of variation between blue and yellow (Trevisan et al, 2004;Silva, 2013). The a* and b* values are not independent variables, so they are not analyzed directly (CIE, 2007); however, they are used to calculate the Hue angle (h ab ) or color angle (CIE, 2007;Trevisan et al, 2004;Voss, 1992), and the chroma (C* ab ) or color saturation (Voss, 1992;Bible & Singha, 1993;CIE, 2007).…”
Section: Colorimeter Hue Angle Chroma and Lightnessmentioning
confidence: 99%
“…The colorimeter used performs the readings in the CIELAB color measurement system or CIE 1976 L*a*b*, in which, the L* coordinate is the lightness and expresses the degree of lightness of the measured color (100 = white; 0 = black). The a* coordinate expresses the degree of variation between green and red, being associated with peach fruits ripening (Byrne et al, 1991), and the b* coordinate expresses the degree of variation between blue and yellow (Trevisan et al, 2004;Silva, 2013). The a* and b* values are not independent variables, so they are not analyzed directly (CIE, 2007); however, they are used to calculate the Hue angle (h ab ) or color angle (CIE, 2007;Trevisan et al, 2004;Voss, 1992), and the chroma (C* ab ) or color saturation (Voss, 1992;Bible & Singha, 1993;CIE, 2007).…”
Section: Colorimeter Hue Angle Chroma and Lightnessmentioning
confidence: 99%
“…A coloração foi medida em 20 frutos, em duas posições marcadas, por meio de colorímetro Hunter Lab, com miniscan XE Plus, escala CIELAB (L*, a*, b*), e os parâmetros avaliados foram a luminosidade (L*) e a cromaticidade (Chroma). De acordo com TREVISAN et al (2004), nesse sistema de representação de cor, os valores L*, a* e b* descrevem a uniformidade da cor no espaço tridimensional, em que o valor L* corresponde à escala escuro-claro (valor zero para a cor preta e 100 para a branca). Os valores de (a*) correspondem à escala do verde ao vermelho (a* negativo representa o verde, e a* positivo, o vermelho), e os valores de (b*) correspondem à escala do azul ao amarelo (b* negativo para o azul, e b* positivo para o amarelo).…”
Section: Segunda Etapa -Efeito Do Impacto De Queda Na Qualidade Físicunclassified
“…A fruticultura brasileira é uma das maiores do mundo, no que se refere à produção de frutas frescas e áreas cultivadas (TREVISAN; GONÇALVES; COUTINHO, 2004). Em decorrência da expansão das áreas cultivadas, surgiram problemas fitossanitários e dentre esses, a ocorrência de moscas-das-frutas (HAJI; MIRANDA, 2000).…”
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