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Changes of endogenous ethylene in different fleshy textures of peach and its response to exogenous ethylene
Author(s): 
Pages: 1730-1734
Year: Issue:  10
Journal: Acta Agriculturae Zhejiangensis

Keyword:  peachfleshy texturegenotypeethylene;
Abstract: 为鉴定耐贮运桃品种霞脆的肉质类型,以八成熟软溶质品种银花露、硬溶质品种湖景蜜露、不溶质品种金童6号、Stonyhard品种有名白桃和霞脆果实为试验材料,通过气相色谱法测定并比较采后贮藏过程中的乙烯释放规律.结果表明:采后贮藏过程中,银花露、湖景蜜露、金童6号桃果实乙烯释放均呈先升后降的趋势,并有显著的乙烯峰出现,果实硬度随贮藏时间推移而下降,银花露和湖景蜜露果实在贮藏末期硬度均低于1.0 kg·cm-2.有名白桃和霞脆桃采后成熟过程中释放极少量乙烯,经外源乙烯处理后,霞脆果实硬度未出现快速下降现象,贮藏末期果实硬度仍可达到3.5 kg·cm-2以上.研究认为,霞脆桃肉质为Stonyhard类型.
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