2002
DOI: 10.1590/s0100-204x2002000900012
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Efeito de anos e determinação do coeficiente de repetibilidade de características de frutos de goiabeira-serrana

Abstract: (2)Resumo -A variância ambiental costuma ser bastante significativa em características de produção e de frutos, a maioria de herança quantitativa. Este estudo teve por objetivo avaliar o efeito de anos e determinar o número de anos necessários para avaliação precisa do peso do fruto, peso de casca, comprimento, diâmetro, relação comprimento/diâmetro, rendimento de polpa e sólidos solúveis totais dos frutos de goiabeira-serrana (Acca sellowiana), em três anos de avaliação. Com exceção de sólidos solúveis totais… Show more

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Cited by 17 publications
(21 citation statements)
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“…8 1 2 10 95 17 3 5 22 99 91 16 27 145 TDM 80 1 1 1 1 85 2 1 1 2 90 3 1 2 2 95 7 3 5 5 99 87 15 24 26 According to Abeywardena (1972), ACP method allows estimate r more efficiently in situations when the genotypes have cyclical behavior in relation to the trait studied, for be based on the covariance matrix among genotypes obtained for each pair of measurements, explaining the results obtained in this study. This method was also considered suitable for other perennial crops, like coconut (SIQUEIRA, 1982), rubber tree (VASCONCELLOS et al, 1985), pine (CORNACCHIA et al, 1995), cupuaçu tree (COSTA et al, 1997), alfalfa (FERREIRA et al, 1999), cacao (DIAS & KAGEYAMA, 1998), acai palm (OLIVEIRA & FERNANDES, 2001), acerola (LOPES et al, 2001), guava (DEGENHARDT et al, 2002), Napier grass (SHIMOYA et al, 2002), araçá and pitanga (DANNER et al, 2010), peach (BRUNA et al, 2012), sweet orange (NEGREIROS et al, 2014) and banana .…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…8 1 2 10 95 17 3 5 22 99 91 16 27 145 TDM 80 1 1 1 1 85 2 1 1 2 90 3 1 2 2 95 7 3 5 5 99 87 15 24 26 According to Abeywardena (1972), ACP method allows estimate r more efficiently in situations when the genotypes have cyclical behavior in relation to the trait studied, for be based on the covariance matrix among genotypes obtained for each pair of measurements, explaining the results obtained in this study. This method was also considered suitable for other perennial crops, like coconut (SIQUEIRA, 1982), rubber tree (VASCONCELLOS et al, 1985), pine (CORNACCHIA et al, 1995), cupuaçu tree (COSTA et al, 1997), alfalfa (FERREIRA et al, 1999), cacao (DIAS & KAGEYAMA, 1998), acai palm (OLIVEIRA & FERNANDES, 2001), acerola (LOPES et al, 2001), guava (DEGENHARDT et al, 2002), Napier grass (SHIMOYA et al, 2002), araçá and pitanga (DANNER et al, 2010), peach (BRUNA et al, 2012), sweet orange (NEGREIROS et al, 2014) and banana .…”
Section: Resultsmentioning
confidence: 99%
“…The sizing of the number of measurements has been performed in several perennial crops, such as; acerola (LOPES et al, 2001), guava (DEGENHARDT et al, 2002), araçá and pitanga (DANNER et al, 2010), peach (BRUNA et al, 2012), sweet orange (NEGREIROS et al, 2014), banana and Urochloa brizantha (TORRES et al, 2015). In general, the authors of these studies observed that the multivariate methods are more accurate, compared to univariate method, however, they recommend that researches are made with other crops before the generalizing these results.…”
Section: Introductionmentioning
confidence: 99%
“…Lo mismo ocurre para ECAS y RCAS, variables de interés comercial. Es necesario tener en cuenta que PF, AF, DF y rendimiento de pulpa (PP/PFx100%) presentaron diferencias significativas entre años en un estudio realizado para tres años por Degenhardt et al (2002;, de modo que sería recomendable tener repeticiones en el tiempo de estas características.…”
Section: Resultados Y Discusión Descriptores De Individuos: Variablesunclassified
“…La falta de uniformidad de un mismo genotipo ya había sido reportado por Degenhardt et al (2002;. Antes de descartar estos descriptores sería necesario realizar nuevos estudios, investigar si un aumento del tamaño de muestra por individuo o la caracterización de un mayor número de poblaciones de distintos orígenes, permitiría mejorar la estimación del poder discriminante de estas variables, también podría evaluarse si la posición de los frutos en el árbol incide sobre la diversidad.…”
Section: Resultados Y Discusión Descriptores De Individuos: Variablesunclassified
“…In this sense, Degenhardt et al (2002), with three years of evaluation, determined that a minimum of six harvests would be necessary for the selection of high yielding guava-serrana (Acca sellowiana) genotypes with 80% accuracy.…”
Section: Discussionmentioning
confidence: 99%