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PREDICTING THE OCCURRENCE OF POSTSTORAGE DISORDERS OF < MCINTOSH > APPLES FROM PREHARVEST MINERAL ANALYSES.

Author(s) : BRAMLAGE W. J., WEIS S. A., DRAKE M.

Type of article: Article

Summary

IN A STUDY OF THE RELATIONSHIPS BETWEEN CALCIUM, POTASSIUM, PHOSPHORUS, MAGNESIUM AND NITROGEN CONCENTRATIONS IN < MCINTOSH > APPLES AT HARVEST AND THE QUALITY OF FRUIT AFTER STORAGE, CALCIUM WAS THE MOST VARIABLE ELEMENT AMONG SAMPLES WITHIN SEASONS AND WAS THE ELEMENT MOST CONSISTENTLY RELATED TO DISORDERS, BEING NEGATIVELY CORRELATED WITH SENESCENT BREAKDOWN, ROT, AND SCALD. SUSCEPTIBILITY OF ORCHARD LOTS OF FRUIT TO BREAKDOWN COULD BE PREDICTED FROM MINERAL ANALYSES OF FRUIT 2 WEEKS BEFORE HARVEST. A REGRESSION EQUATION WAS DEVELOPED RELATING ONLY CALCIUM CONCENTRATION IN FRUIT AT HARVEST WITH OCCURRENCE OF BREAKDOWN AFTER STORAGE AND REPRESENTED SAMPLES EITHER STORED IN 273 K (0 DEG C) AIR FOR 5 MONTHS ORIN 276 K (3 DEG C) CONTROLLED ATMOSPHERE STORAGE FOR 8 TO 9 MONTHS.

Details

  • Original title: PREDICTING THE OCCURRENCE OF POSTSTORAGE DISORDERS OF < MCINTOSH > APPLES FROM PREHARVEST MINERAL ANALYSES.
  • Record ID : 1986-0640
  • Languages: English
  • Source: J. am. Soc. hortic. Sci. - vol. 110 - n. 4
  • Publication date: 1985/07
  • Document available for consultation in the library of the IIR headquarters only.

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