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      Caracterização dos frutos de goiabeira e seleção de cultivares na Região do Submédio São Francisco Translated title: Characterization of guava fruits and cultivar selections in the Submédio São Francisco Region of Brazil

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          Abstract

          O estudo visou a caracterizar frutos de goiabeira e selecionar cultivares produzidas na Região do Submédio São Francisco. Os frutos, colhidos na maturidade fisiológica, foram provenientes da Estação Experimental de Bebedouro, pertencente à Embrapa Semi-Árido e avaliados em delineamento experimental inteiramente casualizado com quatro repetições. Os tratamentos compreenderam genótipos de polpa branca (Alabama Safed, Lucknow 49, Banahas, White Selection of Florida e Seleção IPA B 38.1) e vermelha (Paluma, Patillo 2.1, Surubim, Red Selection of Florida e Seleção IPA B 14.3). Avaliaram-se: massa, diâmetro longitudinal (DL), diâmetro transversal (DT), relação DL/DT, espessura da casca, espessura da polpa, sólidos solúveis totais (SST), acidez total titulável (ATT), relação SST/ATT, pH, açúcares solúveis totais (AST) e vitamina C. Os genótipos de polpa branca, exceto Seleção IPA B 38.1, tiveram maiores massas (acima de 145,0 g). As menores relações DL/DT foram observadas em Banahas (0,98) e Lucknow 49 (1,00), caracterizando frutos redondos. Estas cultivares tiveram também maior espessura da polpa. Os maiores valores de SST foram observados em Paluma (10,4 ºBrix) e Lucknow 49 (10,9 ºBrix). A ATT foi baixa na maioria dos genótipos, exceto Surubim e Seleção IPA B 14.3, e o pH variou de 3,72 a 4,22. Em geral, os genótipos de polpa branca tiveram os maiores teores de AST (5 a 7 %) e vitamina C, atingindo 200 mg de ácido ascórbico/100 g.

          Translated abstract

          This study aimed to characterize fruits of guava and to select cultivars produced in the Submédio São Francisco Region. The fruits were produced in the Bebedouro Experimental Station, Embrapa Semi-Árido. They were harvested in the physiological maturity. The experimental design was a completely randomized design with four replications. The treatments were white pulp genotypes (Alabama Safed, Lucknow 49, Banahas, White Selection of Florida and Seleção IPA B 38.1) and red pulp genotypes (Paluma, Patillo 2.1, Surubim, Red Selection of Florida and Seleção IPA B 14.3). They evaluated: weight, longitudinal diameter (DL), transverse diameter (DT), DL/DT ratio, peel and pulp thickness, total soluble solids (TSS), total titrable acidity (TTA), TSS/TTA ratio, pH, total soluble sugars (TSA) and vitamin C. White pulp genotypes had the highest weights (over 145.0 g), except the Seleção IPA B 38.1. The lower DL/DT ratios were observed in Banahas (0.98) and Lucknow 49 (1.00), characterizing round fruits. Also, these cultivars had the largest thickness of the pulp. The highest values of TSS were observed in Paluma (10.4 ºBrix) and Lucknow 49 (10.9 ºBrix). ATT was low in most of the genotypes, except in Surubim and Seleção IPA B 14.3, and the pH values varied from 3.72 to 4.22. Most of white pulp genotypes had high AST content (5 at 7 %) and high vitamin C content (up to 200 mg of acid ascorbic/100 g).

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          Most cited references22

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          Anuário da agricultura brasileira

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rbf
                Revista Brasileira de Fruticultura
                Rev. Bras. Frutic.
                Sociedade Brasileira de Fruticultura (Jaboticabal )
                1806-9967
                April 2002
                : 24
                : 1
                : 273-276
                Affiliations
                [1 ] Universidade Federal do Ceará Brazil
                [2 ] Embrapa Semi-Árido
                Article
                S0100-29452002000100061
                10.1590/S0100-29452002000100061
                dc7b5b22-4eac-4ff0-8dcc-acfe8d18c6b4

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Brazil

                Self URI (journal page): http://www.scielo.br/scielo.php?script=sci_serial&pid=0100-2945&lng=en
                Categories
                HORTICULTURE

                Horticulture
                physico-chemical characteristics,table guava,industry guava,quality,características físico-químicas,características químicas e físicas,goiaba de mesa,goiaba para indústria,qualidade

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