Doenças pós-colheita em variedades de manga cultivadas em Pindorama, São Paulo Postharvest diseases of mango varieties cultivated in Pindorama, State of São Paulo
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2009
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Abstract
O presente trabalho teve por objetivo avaliar a ocorrência de doenças pós-colheita em 15 variedades de manga, cultivadas em Pindorama-SP, sem adição de agroquímicos. Os frutos foram colhidos e submetidos a 24h de câmara úmida, permanecendo por mais nove dias a 25±2ºC e 70-80% de UR. A incidência de podridões e a severidade da antracnose foram avaliadas em intervalos de três dias. No início do armazenamento, os frutos foram caracterizados quanto aos teores de sólidos solúveis e acidez titulável. A antracnose foi a doença mais frequente nas quinze variedades de manga, com 100% de incidência um dia após a colheita dos frutos, seguida pela podridão peduncular com média entre as variedades de 20,8% ao final do armazenamento. Menor severidade de antracnose foi observada nas variedades Surpresa e Zill, enquanto menor incidência da podridão peduncular foi observada em 'Winter' e 'Pele-de-Moça'. Análises de correlação entre os parâmetros sólidos solúveis e acidez titulável das variedades com a intensidade da antracnose e da podridão peduncular foram significativas apenas entre acidez e antracnose, antes e após o período de armazenamento.
The present work aims to evaluate the occurrence of postharvest diseases of 15 mango varieties, cultivated in Pindorama, state of São Paulo, without chemical products. Fruits were individualized and kept in a humid chamber for 24 h, previously at nine days period at 25±2ºC and 70-80% RH. The incidence of postharvest diseases and the severity of anthracnose were evaluated in three days intervals. At the beginning of the storage period, the fruits were also characterized as to soluble solids and titratable acidity content. Anthracnose was the main disease in the fifteen varieties of mangos, with 100% of incidence one day after harvest, followed by stem-end rot, with average among the varieties of 20.8% at the end of the storage. Smaller anthracnose severity was observed in the Surpresa and Zill varieties, while smaller incidence of the stem-end rot was observed in Winter and Pele de Moça varieties. Correlation analyses among the soluble solid and titratable acidity parameters of the varieties with the intensity of the anthracnose and stem-end rot were just significant only between acidity and anthracnose, before and after the storage period.
The present work aims to evaluate the occurrence of postharvest diseases of 15 mango varieties, cultivated in Pindorama, state of São Paulo, without chemical products. Fruits were individualized and kept in a humid chamber for 24 h, previously at nine days period at 25±2ºC and 70-80% RH. The incidence of postharvest diseases and the severity of anthracnose were evaluated in three days intervals. At the beginning of the storage period, the fruits were also characterized as to soluble solids and titratable acidity content. Anthracnose was the main disease in the fifteen varieties of mangos, with 100% of incidence one day after harvest, followed by stem-end rot, with average among the varieties of 20.8% at the end of the storage. Smaller anthracnose severity was observed in the Surpresa and Zill varieties, while smaller incidence of the stem-end rot was observed in Winter and Pele de Moça varieties. Correlation analyses among the soluble solid and titratable acidity parameters of the varieties with the intensity of the anthracnose and stem-end rot were just significant only between acidity and anthracnose, before and after the storage period.
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| Authors | Fischer, Ivan Herman;Arruda, Maria Cecília de;Almeida, Aparecida Marques de;Galli, Juliana Altafin;Bertani, Rosemary Marques de Almeida;Jerônimo, Elisangela Marques; |
| Journal | revista brasileira de fruticultura |
| Year | 2009 |
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