Elstar,PCP苹果品种果实特性对DCA-CF贮藏的重要性

       Importance of Individual Apple Fruit Characteristics for DCA-CF Storage on the Variety ‘Elstar, PCP’
　　苹果品种‘Elstar，PCP’果实性状对DCA-CF贮藏的重要性
　　Tim-Pascal Schlie1 · Dirk Köpcke2 · Thomas Rath1 ·Werner Dierend1 Eingegangen: 12. August 2019 / Angenommen: 1. November 2019 © Springer-Verlag GmbH Deutschland, ein Teil von Springer Nature 2019
　　Abstract The aim of the study was to investigate the importance of individual apple fruit characteristics for DCA-CF (Dynamic Controlled Atmosphere) storage on the variety ‘Elstar, PCP’. The fruit characteristics which had been examined were surface colour, harvest date, fruit load (fruit number/tree) and fruit size. In the storage practice is observed more often that fruits of the same variety behave differently with regard to the tendency to fermentation at the same oxygen concentration. Some fruits are already in the fermentation process, while some of the apples have not yet fermented. The cause of this different behaviour is unknown. For the present work, the fermentation behaviour was investigated on single fruits. The oxygen limit was recorded by measurements of the minimal fluorescence (F0) and the oxygen concentration in the storage. Furthermore, the fermentation behaviour was described by the analysis of the fruit’s own ethanol concentration. The results show that both the harvest date and the fruit load can influence the fermentation behaviour of ‘Elstar, PCP’.
　　本研究旨在探讨苹果果实个体特性在动态气调贮藏中的重要性。果实性状包括表面颜色、采收期、载果量（果数/株）和果实大小。在贮藏实践中，经常观察到同一品种的果实在相同氧气浓度下的发酵倾向不同。有些水果已经在发酵过程中，而有些苹果还没有发酵。这种不同行为的原因尚不清楚。本研究以单果为试材，研究其发酵行为。通过测量最小荧光强度（F0）和贮藏室中的氧浓度来记录氧极限。此外，通过对果实自身乙醇浓度的分析，描述了发酵行为。结果表明，采收期和载果量都会影响Elstar，PCP的发酵行为。
　　Keywords Chlorophyll Fluorescence · DCA-CF-Storage · ‘Elstar, PCP’ · Fermentation behaviour
　　叶绿素荧光·DCA-CF储存·‘Elstar，PCP’·发酵行为