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Postharvest biology and technology v.126, 2017년, pp.57 - 66   SCI SCIE SCOPUS
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Efficacy of liquid 1-methylcyclopropene to delay ripening of 'Bartlett' pears

Escribano, Sandra (Department of Plant Sciences, University of California, One Shields Avenue, Davis, CA 95616, USA ) ; Sugimoto, Nobuko (Department of Plant Sciences, University of California, One Shields Avenue, Davis, CA 95616, USA ) ; Macnish, Andrew J. (Horticulture and Forestry Science, Queensland Department of Agriculture and Fisheries, Maroochy Research Facility, Nambour, Qld 4560, Australia ) ; Biasi, William V. (Department of Plant Sciences, University of California, One Shields Avenue, Davis, CA 95616, USA ) ; Mitcham, Elizabeth J. (Department of Plant Sciences, University of California, One Shields Avenue, Davis, CA 95616, USA ) ;
  • 초록  

    Abstract 1-Methylcyclopropene (1-MCP) has been a useful tool to extend the postharvest life of ‘Bartlett’ pears, but fruit response can be highly variable due to competition with ethylene. Application of liquid 1-MCP after harvest was tested to determine its efficacy as compared with gaseous 1-MCP. Fruit harvested from Sacramento and Lakeport, California at early-, mid- and late- commercial harvest maturity were treated with 0.6μLL −1 gaseous 1-MCP at 0°C for 24h or dipped for 0, 15, 30, 45 or 60s in 250, 500, 750 or 1000μgL −1 1-MCP in four experiments across three years of study. After treatment, pears were exposed to ethylene or kept in cold storage at 1°C for 5 weeks before ripening at 20°C. Treatment with liquid 1-MCP delayed pear ripening as evidenced by delayed softening for a minimum of 6 d compared to the control fruit, delayed the increase in respiration and ethylene production rates, and reduced respiration and ethylene production rates. Treatment was effective in a concentration- and dip time-dependent manner. Overall, dipping in 1000μgL −1 liquid 1-MCP for 60s was the most consistent treatment among years and locations; however, the resulting time to ripen at 20°C could be too long for some commercial applications. Treatment at 500μgL −1 liquid 1-MCP is recommended for ‘Bartlett’ pears as this dose controls the ripening process, and provides consistent response for mid- and late-maturity fruit. A postharvest evaluation of a liquid formulation of 1-MCP provided a more consistently effective treatment for ‘Bartlett’ pears ( Pyrus communis ) than the current gaseous treatments. Highlights Liquid 1-MCP could be an alternative to gaseous application to ‘Bartlett’ pear. Liquid 1-MCP across a range of concentrations and dip times delayed pear ripening. Treatment at 500μgL −1 liquid 1-MCP is recommended for ‘Bartlett’ pear. Application of liquid 1-MCP is fast and easy and it does not require a sealed room.


  • 주제어

    Color .   Ethylene .   Firmness .   1-MCP .   Pyrus communis .   Respiration.  

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