黄春辉;俞波;苏俊;舒群;程在全;曾黎琼;滕元文;

• 1:浙江大学园艺系
• 2:农业部园艺植物生长发育与品质调控重点开放实验室
• 3:云南省农业科学院园艺研究所
• 4:云南红梨科技开发有限公司

摘要(Abstract)：

以红色砂梨(Pyrus pyrifolia Nakai)品种美人酥和云红梨1号为试材,以套袋处理(果袋类型、去袋方式和去袋时间组合成10个不同的套袋处理)为手段研究了果实着色过程中外观和解剖结构的变化。结果表明,红色砂梨的着色需要有高强度的光照。生长过程中套有不透光袋的果实临近成熟时,只有完全曝光才能大量合成花青苷,而且在很短的时间内(大约2周)果实着色面积、着色程度即可优于对照(不套袋处理)。红色砂梨着色是从果实向阳的一侧先开始,且以果点为中心呈放射状向四周扩展,至采收时果实阳面红色能够均匀分布,但整个果面色泽很难一致。解剖结构分析表明果面呈红色是因为果皮中紧邻表皮层的3～4层细胞存在红色细胞(含有花青苷),在果实着色过程中这些红色细胞数目不断增多,同时细胞内色素浓度不断增大。云红梨1号合成花青苷的能力明显优于美人酥,果实着色更鲜艳。解剖学观察发现云红梨1号的表皮细胞层也含有红色细胞。

关键词(KeyWords)： 红色砂梨;套袋;着色;色泽参数

Abstract:

Keywords:

基金项目(Foundation): 云南省科学技术厅省院省校合作项目(2006YX15)

作者(Author): 黄春辉;俞波;苏俊;舒群;程在全;曾黎琼;滕元文;

Email:

DOI:

参考文献(References)：

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