บทคัดย่องานวิจัย

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Effect of harvest date on quality and decay losses after cold storage of 'Golden Delicious' apple in Girona (Spain).

Juan, J. L.; Frances, J.; Montesinos, E.; Camps, F.; Bonany, J.;

Acta Horticulturae Year: 1999 Issue: No. 485 Pages: 195-201 Ref: 8 ref.

1999

บทคัดย่อ

Effect of harvest date on quality and decay losses after cold storage of 'Golden Delicious' apple in Girona (Spain).

Golden Delicious apples were harvested from 11 commercial orchards in the coastal region of Girona, Spain, on 28 August and 12 and 25 September 1996 and stored at 1.0-1.5 deg C for 7 months. In addition, samples of fruits from all harvesting dates and orchards were wounded, inoculated with Penicillium expansum and kept for 5 weeks in cold storage to evaluate fruit susceptibility with increasing maturity. After removal from storage, superficial scald incidence and moisture loss were higher in the earlier harvested fruits. Bitter pit occurrence was highest in fruits harvested on 12 September. The percentage of marketable size fruits and disease severity increased with harvesting date. Fruit quality was not influenced by harvesting date but was affected by orchard characteristics. Starch index was significantly correlated to acidity, soluble solids and firmness, suggesting that it could be used to predict fruit quality after cold storage.