Abstract:horticultura horticultura brasileira brasileira O morangueiro é cultivado e apreciado nas mais variadas regiões do mundo (Resende et al., 1999). A grande popularidade se deve aos esforços dos melhoristas que, desde o século passado, têm desenvolvido cultivares adaptadas às mais diversas condições ambientais (Hancock et al., 1996).A produção do morango é quase toda voltada para o mercado doméstico do Brasil, sendo cerca de 70% destinada ao consumo in natura e 30% ao processamento. Em 2006 o país produziu cerca … Show more
“…Early Bright. However, Silva, Dias & Pacheco (2015), found an average of 0.92% with cv. Sweet Charlie, whereas in this study, had achieved a value of 0.37%.…”
Section: Titratable Acidity (Ta)mentioning
confidence: 96%
“…Festival presented L:D ratio equal to 0.78 indicating a flattened fruit shape, different from the results of this study. According to Silva, Dias & Pacheco (2015), working with cv. IAC Guaraní obtained a L:D ratio value of 1.37 similar to those found in this study of 1.25.…”
Section: Length: Fruit Diameter Ratio (L:d)mentioning
confidence: 99%
“…Early Bright, a lower value to that obtained in this study (7.39 °Brix), but in June evaluation, average of 7.68 °Brix was reported. Silva, Dias & Pacheco (2015), obtained with cv. Sweet Charlie an average of 6.63 °Brix and a value of 5.60 °Brix with cv.…”
Section: Total Soluble Solids (Tss)mentioning
confidence: 99%
“…Alternatively, Silva, Dias & Pacheco (2015), indicates that fruit physical and chemical characterization allows obtaining information about the quality of the final product. Vernalization is the exposure to low temperatures during a certain period to induce the formation of flower buds and/or seeds (Wang, Bell & Scott, 2003).…”
Strawberry production in Paraguay is carried out by small producers, using minimal technology and obtaining low productivity, with the need to expand strawberry genotypes and production techniques. The aim of this study was to evaluate fruit quality of strawberry genotypes according to vernalization. A randomized block design with factorial arrangement 14x2 was performed; factors were genotypes and chilling using 15 plants per treatment and three replicates. Plants were kept in cold room at 5°C, with 8 hours of artificial light and 16 of darkness for a period of 25 days. Five fruits were used per treatment and were evaluated as follows: the amount of total soluble solids, titratable acidity and ratio of total soluble solids to titratable acidity, length/diameter ratio, calyx diameter/fruit diameter ratio, peduncle length and mass loss in postharvest. Data obtained were subjected to analysis of variance simple factorial scheme and averages compared by Tukey test at 5% probability. Vernalization of strawberry plants did not affect fruit shape or total soluble solids content, but increased the percentage of citric acid. Length of peduncle and calix extension had achieved an increasing due to vernalization and decreased postharvest loss of fresh mass, but did not affect fruit preservation at 5°C. Festival and Florida Eliane genotypes may be recommended for in natura consumption and Dover and Oso Grande genotypes for industry.Key-words: Citric acid; mass loss; temperature; total soluble solids; titratable acidity.
ResumenLa producción de frutilla en Paraguay es realizada por pequeños productores, usando escasa tecnología y obtención de baja productividad, con la necesidad de ampliar los genotipos y la tecnología utilizada. El objetivo de esta investigación fue evaluar la calidad de frutos de genotipos de frutilla en función a la vernalización. El diseño utilizado fue el de bloques completos al azar con arreglo factorial 14x2. Los factores estuvieron constituidos por los genotipos y la vernalización con 15 plantas por tratamiento y tres repeticiones. Las mudas fueron mantenidas en cámara fría a 5°C, con 8 horas luz artificial y 16 de oscuridad por un periodo de 25 días. Se utilizaron cinco frutos por tratamiento y fueron evaluadas la cantidad de sólidos solubles totales, acidez titulable, relación de sólidos solubles totales con acidez titulable, relación longitud/diámetro, relación: diámetro del cáliz/diámetro del fruto, longitud del pedúnculo y pérdida de masa en postcosecha. Los datos obtenidos fueron sometidos a análisis de varianza en esquema factorial simple y las medias comparadas por el test de Tukey al 5% de probabilidad de error. La vernalización de las mudas no afectó la forma de los frutos de frutilla ni el contenido de sólidos solubles totales, pero aumentó el porcentaje de ácido cítrico. Así mismo, aumentaron la longitud del pedúnculo de la planta y la extensión del cáliz del fruto. Por otro lado, la vernalización disminuyó la pérdida postcosecha de masa fresca, pero no afectó la conservación de ...
“…Early Bright. However, Silva, Dias & Pacheco (2015), found an average of 0.92% with cv. Sweet Charlie, whereas in this study, had achieved a value of 0.37%.…”
Section: Titratable Acidity (Ta)mentioning
confidence: 96%
“…Festival presented L:D ratio equal to 0.78 indicating a flattened fruit shape, different from the results of this study. According to Silva, Dias & Pacheco (2015), working with cv. IAC Guaraní obtained a L:D ratio value of 1.37 similar to those found in this study of 1.25.…”
Section: Length: Fruit Diameter Ratio (L:d)mentioning
confidence: 99%
“…Early Bright, a lower value to that obtained in this study (7.39 °Brix), but in June evaluation, average of 7.68 °Brix was reported. Silva, Dias & Pacheco (2015), obtained with cv. Sweet Charlie an average of 6.63 °Brix and a value of 5.60 °Brix with cv.…”
Section: Total Soluble Solids (Tss)mentioning
confidence: 99%
“…Alternatively, Silva, Dias & Pacheco (2015), indicates that fruit physical and chemical characterization allows obtaining information about the quality of the final product. Vernalization is the exposure to low temperatures during a certain period to induce the formation of flower buds and/or seeds (Wang, Bell & Scott, 2003).…”
Strawberry production in Paraguay is carried out by small producers, using minimal technology and obtaining low productivity, with the need to expand strawberry genotypes and production techniques. The aim of this study was to evaluate fruit quality of strawberry genotypes according to vernalization. A randomized block design with factorial arrangement 14x2 was performed; factors were genotypes and chilling using 15 plants per treatment and three replicates. Plants were kept in cold room at 5°C, with 8 hours of artificial light and 16 of darkness for a period of 25 days. Five fruits were used per treatment and were evaluated as follows: the amount of total soluble solids, titratable acidity and ratio of total soluble solids to titratable acidity, length/diameter ratio, calyx diameter/fruit diameter ratio, peduncle length and mass loss in postharvest. Data obtained were subjected to analysis of variance simple factorial scheme and averages compared by Tukey test at 5% probability. Vernalization of strawberry plants did not affect fruit shape or total soluble solids content, but increased the percentage of citric acid. Length of peduncle and calix extension had achieved an increasing due to vernalization and decreased postharvest loss of fresh mass, but did not affect fruit preservation at 5°C. Festival and Florida Eliane genotypes may be recommended for in natura consumption and Dover and Oso Grande genotypes for industry.Key-words: Citric acid; mass loss; temperature; total soluble solids; titratable acidity.
ResumenLa producción de frutilla en Paraguay es realizada por pequeños productores, usando escasa tecnología y obtención de baja productividad, con la necesidad de ampliar los genotipos y la tecnología utilizada. El objetivo de esta investigación fue evaluar la calidad de frutos de genotipos de frutilla en función a la vernalización. El diseño utilizado fue el de bloques completos al azar con arreglo factorial 14x2. Los factores estuvieron constituidos por los genotipos y la vernalización con 15 plantas por tratamiento y tres repeticiones. Las mudas fueron mantenidas en cámara fría a 5°C, con 8 horas luz artificial y 16 de oscuridad por un periodo de 25 días. Se utilizaron cinco frutos por tratamiento y fueron evaluadas la cantidad de sólidos solubles totales, acidez titulable, relación de sólidos solubles totales con acidez titulable, relación longitud/diámetro, relación: diámetro del cáliz/diámetro del fruto, longitud del pedúnculo y pérdida de masa en postcosecha. Los datos obtenidos fueron sometidos a análisis de varianza en esquema factorial simple y las medias comparadas por el test de Tukey al 5% de probabilidad de error. La vernalización de las mudas no afectó la forma de los frutos de frutilla ni el contenido de sólidos solubles totales, pero aumentó el porcentaje de ácido cítrico. Así mismo, aumentaron la longitud del pedúnculo de la planta y la extensión del cáliz del fruto. Por otro lado, la vernalización disminuyó la pérdida postcosecha de masa fresca, pero no afectó la conservación de ...
“…Em câmara fria, as cultivares Toyonoka (2,13%) e Campinas (1,80%) também perderam maior massa (Tabela 3). A baixa conservação pós-colheita na cultivar Campinas já foi constatada por Silva et al (2015) devido a sua textura. As mudanças de textura dos frutos e hortaliças podem ser explicadas pela pectina solúvel, que é um polissacarídeo resultante da hidrólise parcial da protopectina insolúvel constituinte da parede celular e com isso a menor firmeza e massa dos frutos prejudica sua conservação pós-colheita (FLORES-CANTILLANO et al, 2008).…”
A cultura do morango é considerada de clima temperado e possui grande aceitação no mercado apresentando excelentes características organolépticas que agradam o consumidor, podendo-se destacar a cor vermelha brilhante intensa, odor envolvente,
Perda de massa de frutos de cultivares de morangueiro em diferentes condições e tempos de armazenamento
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