seleção preliminar de genótipos de pinheira em bom jesus-pi preliminary selection of sugar apple genotypes in bom jesus county, piauí state, brazil
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2011
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Abstract
A pinheira (Annona squamosa L.) ocorre espontaneamente no Nordeste Brasileiro, onde é explorada de forma extrativista, caracterizando-se pela falta de manejo adequado e material genético selecionado. Nesse sentido, foi realizado um experimento com objetivo de avaliar a produtividade, as características físicas e químicas de frutos de dez genótipos de pinheira no município de Bom Jesus, PI. Adotou-se delineamento inteiramente casualizado, com tratamentos representados por dez genótipos de pinheira e três repetições. Foram avaliadas as seguintes variáveis: vitamina C, acidez titulável, sólidos solúveis, relação SS/AT "ratio", diâmetros longitudinal e transversal, relação DL/DT, número se sementes por fruto, massa dos frutos e produção por planta. Os genótipos apresentam diferenças quanto às características químicas, físicas e produtivas dos frutos. Os genótipos foram agrupados em sete grupos, com destaque para o grupo III (Gen-02) e grupo IV (Gen-05), fato que explicitou as diferenças entre os genótipos de pinheira quanto às características produtivas e químicas e físicas dos frutos. Genótipos Gen-01 e Gen-02 apresentam potencial para instalação em plantios comerciais, pela produtividade, formato do fruto ou por caracterizarem fontes naturais de vitamina C.
The sugar apple (Annona squamosa L.) is native to tropical America, occurring spontaneously in Northeastern Brazil, where it is exploited mainly as subsistence without adequate management and without genetic material selection. An experiment was developed aiming to evaluate yield, physical and chemical characteristics of the fruits of ten sugar apple genotypes in Bom Jesus, Piauí State, Brazil. A completely randomized design with treatments represented by ten genotypes and three replications was adopted. The following variables were evaluated: vitamin C, titratable acidity, soluble solids, SS/TA ratio, longitudinal diameter and transverse, LD/TD, number of seeds per fruit, fruit weight and fruit production per plant. The genotypes were grouped into seven groups, with emphasis on the group III (Gen-02) and group IV (Gen-05), what explicited the differences among sugar apple genotypes studied in relation to the chemical, physical and fruit production. Genotypes GEN-01 and GEN-02 present potential for installation in commercial crops, due to its fruit production, even as natural sources of vitamin C.
The sugar apple (Annona squamosa L.) is native to tropical America, occurring spontaneously in Northeastern Brazil, where it is exploited mainly as subsistence without adequate management and without genetic material selection. An experiment was developed aiming to evaluate yield, physical and chemical characteristics of the fruits of ten sugar apple genotypes in Bom Jesus, Piauí State, Brazil. A completely randomized design with treatments represented by ten genotypes and three replications was adopted. The following variables were evaluated: vitamin C, titratable acidity, soluble solids, SS/TA ratio, longitudinal diameter and transverse, LD/TD, number of seeds per fruit, fruit weight and fruit production per plant. The genotypes were grouped into seven groups, with emphasis on the group III (Gen-02) and group IV (Gen-05), what explicited the differences among sugar apple genotypes studied in relation to the chemical, physical and fruit production. Genotypes GEN-01 and GEN-02 present potential for installation in commercial crops, due to its fruit production, even as natural sources of vitamin C.
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| Authors | ;Ítalo Herbert Lucena Cavalcante;Márcio Cleto Soares de Moura;Leonardo Fonseca da Rocha;Gabriel Barbosa da Silva Júnior;Linnajara de Vasconcelos Martins;Raissa Rachel Salustriano da Silva |
| Journal | revista de ciências agrárias |
| Year | 2011 |
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