王龙;李鸿雁;杨健;王苏珂;李秀根;

• 1:中国农业科学院郑州果树研究所
• 2:黄淮学院

摘要(Abstract)：

为探讨提高‘红香酥’着色的套袋技术措施,以‘红香酥’梨为试材,研究了果实发育过程中果皮花青苷含量的变化及果园温度、套袋时期对果皮花青苷积累的影响。结果表明,‘红香酥’梨果皮花青苷合成与积累高峰出现在果实发育后期,期间含量有所下降,接近果实成熟时花青苷含量急剧增加,成熟时达到最高峰;叶绿素含量从盛花后100 d开始逐渐降低,至果实成熟时达到最低值;类胡萝卜素含量在盛花后90 d以后一直保持较低的水平;昼夜温差不影响花青苷的积累,但较低的昼夜气温有利于花青苷的积累;花后30 d套袋,果实成熟前60 d去袋可显著提高果皮花青苷含量,但对叶绿素含量影响不显著。单独利用套袋技术不能显著改善‘红香酥’梨果实着色。

关键词(KeyWords)： ‘红香酥’梨;果实着色;花青苷;套袋;果园气温

Abstract:

Keywords:

基金项目(Foundation): 云南省科技计划项目(2011BB004)

作者(Author): 王龙;李鸿雁;杨健;王苏珂;李秀根;

Email:

DOI: 10.13925/j.cnki.gsxb.2012.03.022

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