不同反光膜对设施葡萄果实糖分代谢与品质的影响Effect of different reflecting films on berry quality and sucrose metabolism of grape in greenhouse
刘林;许雪峰;王忆;李天忠;韩振海;
摘要(Abstract)：
对蓝色膜、红色膜、银色膜等不同反光膜对设施葡萄果实糖代谢和品质的影响进行了研究。结果表明,3种反光膜处理均提高了叶幕下方光强,改变了光质,调节了果实的蔗糖代谢相关酶活性,其中在红膜和蓝膜处理下果实的酸性转化酶(AI)活性最高。各覆膜处理的果实蔗糖合酶(SS)活性均高于对照,而蔗糖磷酸合酶(SPS)活性均低于对照,其中银色膜、红膜处理的活性较低。各覆膜处理下果实中果糖、葡萄糖含量均高于对照,其中蓝膜处理果实葡萄糖含量最高(68.0 mg/g),银色膜处理果糖含量最高(54.8 mg/g)。此外,各覆膜处理均显著改善了果实品质,特别是蓝膜处理最为显著,提高了果实中可溶性糖含量、平均单果质量,降低了可滴定酸含量。花青苷含量以红膜最高,蓝膜次之。
关键词(KeyWords)： 葡萄;反光膜;糖代谢;品质
基金项目(Foundation): 北京市自然科学基金重点项目;; 北京市科委项目
作者(Authors): 刘林;许雪峰;王忆;李天忠;韩振海;
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