บทคัดย่องานวิจัย

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Postharvest factors influencing stem-end rind breakdown (SERB) of Valencia oranges.

Dou, H. T., Zhang, J. X., Ismail, M. A. and Ritenour, M. A.

Proceedings of the Florida State Horticultural Society. 114: 2001. pp 164-169.

2001

บทคัดย่อ

Postharvest factors influencing stem-end rind breakdown (SERB) of 'Valencia' oranges.

Severe stem-end rind breakdown (SERB) of 'Valencia' oranges (Citrus sinensis) exported from Florida to Korea Republic and Taiwan has been reported in recent years. The effects of clipping versus pulling, coating application, storage temperature, and fruit size on SERB of 'Valencia' oranges were studied during the 1998-99 and 1999-2000 seasons, in Florida, USA. These studies demonstrated that storage temperature is the most significant factor influencing SERB of 'Valencia' oranges. Three weeks after packing, fruit stored at 70 deg F (21 deg C) with 70 plus or minus 3% relative humidity (RH) had 61% SERB, while fruit stored at 40 deg F (4 deg C) under the same RH had only 1.3% SERB. Coating application and formulation did not result in consistent effects on fruit SERB incidence. Fruit size and harvesting methods (pulling versus clipping) did not significantly influence the incidence of fruit with SERB symptoms.