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STORAGE EXPERIMENTS WITH APPLES 1984-1989.

[In Danish. / En danois.]

Author(s) : RASMUSSEN P. M.

Type of article: Article

Summary

APPLE CULTIVARS GLOSTER, JONAGOLD AND MUTSU WERE STORED FOR UP TO CIRCA. 26 WEEKS UNDER NORMAL ATMOSPHERIC CONDITIONS AT 274 AND 276 K (1 AND 3 DEG C) AND UNDER CONTROLLED ATMOSPHERE (CA) CONDITIONS (VARIOUS CONCENTRATIONS OF CO2 AND O2 ) AT 275-277 K (2-4 DEG C). MEASUREMENTS OF WEIGHT LOSS AND OF PERCENTAGE OF FRUITS WITH STORAGE DISORDERS WERE USED TO DEFINE A QUALITY INDEX. UNDER NORMAL ATMOSPHERIC CONDITIONS, A HIGHER QUALITY INDEX WAS OBTAINED AT 273 THAN 276 K. HOWEVER, THE WEIGHT LOSS CAUSED MAINLY BY TRANSPIRATION WAS AT LEAST 1% PER MONTH, SO IT IS RECOMMENDED THAT STORAGE TIME SHOULD NOT EXCEED 2-3 MONTHS UNDER THESE CONDITIONS. UNDER CA, GLOSTER WAS SUSCEPTIBLE TO BROWN CORE AT MORE THAN 3-4% CO2. OPTIMAL CA CONDITIONS WERE 1-2% CO2. JONAGOLD AND MUTSU WERE SUSCEPTIBLE TO SUPERFICIAL SCALD, BUT 6-8% CO2 COUNTERACTED THIS DISORDER. (POSTHARVEST NEWS INF., GB., 2, N 2, 1991/04, 659.

Details

  • Original title: [In Danish. / En danois.]
  • Record ID : 1991-2619
  • Languages: Danish
  • Source: Tidsskr. Planteavl - vol. 94 - n. 1
  • Publication date: 1990
  • Document available for consultation in the library of the IIR headquarters only.

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