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Ethylene production in apple infected by Gleosporium album Ostrw. at cold storage

Author

Listed:
  • J. Goliáš

    (Horticultural Faculty, Mendel University of Agriculture and Forestry Brno, Lednice, Czech Republic)

  • A. Němcová

    (Horticultural Faculty, Mendel University of Agriculture and Forestry Brno, Lednice, Czech Republic)

  • P. Mýlová

    (Horticultural Faculty, Mendel University of Agriculture and Forestry Brno, Lednice, Czech Republic)

Abstract

In ten cultivars of apple fruit, ethylene production expressed in μl/kg/h was determined. The cultivar Resista exhibited a higher ethylene production and can be differentiated from other cultivars. The production ranged from 4.2 ± 0.58 μl/kg/h in the case of Meteor cv. up to 131.6 ± 5.5 μl/kg/h in Resista cv. Infected fruit of Topaz cv. had a lower ethylene production at cold storage temperature (3°C) than some healthy fruit. All examined cultivars can be divided into three clusters. Discriminant analysis and canonical correlation analysis of the examined apple fruit led to the determination of healthy and infected fruit. Values of ethylene production were analyzed on intact fruit by using headspace gas analysis by CGC with thermal desorption technique. Carbosieve G was chosen as the adsorbent material for the traps due to its relatively high affinity for light hydrocarbons such as ethylene. For a full trap of ethylene in the enrichment column the sufficient amount of percolating gas is about 0.3 l.

Suggested Citation

  • J. Goliáš & A. Němcová & P. Mýlová, 2006. "Ethylene production in apple infected by Gleosporium album Ostrw. at cold storage," Horticultural Science, Czech Academy of Agricultural Sciences, vol. 33(1), pages 1-6.
    • Handle: RePEc:caa:jnlhor:v:33:y:2006:i:1:id:3732-hortsci
    DOI: 10.17221/3732-HORTSCI
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