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Revista Brasileira de Fruticultura
On-line version ISSN 1806-9967
FISCHER, Ivan Herman et al. Postharvest diseases of mango varieties cultivated in Pindorama, State of São Paulo . Rev. Bras. Frutic. [online]. 2009, vol.31, n.2, pp. 352-359. ISSN 1806-9967. http://dx.doi.org/10.1590/S0100-29452009000200009.
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.
Keywords : Mangifera indica; Colletotrichum; resistance.