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当前位置: 首页 > 文章 > 平阴玫瑰组培苗多酚含量及多酚氧化酶活性与其生根的关系 园艺学报 2007,34 (3) 695-698
Position: Home > Articles > The Effect of Polyphenol Content and Polyphenol Oxidase Activity on in Vitro Rooting of Pingyin Rose Cultivars Acta Horticulturae Sinica 2007,34 (3) 695-698

平阴玫瑰组培苗多酚含量及多酚氧化酶活性与其生根的关系

作  者：
卢绪娟;丰震;赵兰勇;冯立国;于守超
单  位：
山东农业大学林学院;山东农业大学园艺学院;聊城大学农学院
关键词：
玫瑰;平阴玫瑰;多酚;多酚氧化酶;生根
摘  要：
对平阴玫瑰(Rosa rugosa)多酚含量及多酚氧化酶(Polyphenol oxidase,PPO)活性与组培苗生根的关系进行了研究,对多酚含量、PPO活性与生根指数进行了相关性分析。结果表明:平阴玫瑰不同品种间的多酚含量、PPO活性及生根指数存在极显著差异。多酚含量与生根指数显著负相关,PPO活性与生根指数极显著负相关。对不同pH条件下‘紫枝玫瑰’组培苗的PPO活性和生根指数的研究表明,‘紫枝玫瑰’组培苗的PPO活性及生根指数与pH均有密切联系,pH为6·5时PPO活性最高,而生根指数最低,pH5·5最适宜生根。
译  名：
The Effect of Polyphenol Content and Polyphenol Oxidase Activity on in Vitro Rooting of Pingyin Rose Cultivars
作  者：
LU Xu-juan1,FENG Zhen1,ZHAO Lan-yong1,FENG Li-guo2,and YU Shou-chao3(1College of Forestry,Shandong Agricultural University,Tai'an,Shandong 271018,China;2College of Horticulture,Shandong Agricultural University,Tai'an,Shandong 271018,China;3College of Agriculture,Liaocheng University,Liaocheng,Shandong 252059,China)
关键词：
Rosa rugosa;Pingyin rose;Polyphenol;Polyphenol oxidase;Rooting
摘  要：
Polyphenol content,polyphenol oxidase(PPO) activity and in vitro rooting ability of 5 Pingyin rose(Rosa rugosa Thunb.) cultivars were investigated to seek for the physiological mechanism of rooting.The results showed that polyphenol content,polyphenol oxidase activity and rooting index of different cultivars were different significantly.According to analysis of correlation,polyphenol content,polyphenol oxidase activity was correlated negatively to rooting index at P<0.05 and P<0.01,respectively.Polyphenol oxidase activity and rooting index of R.rugosa Purple Branch at different pH conditions were also studied.The results showed that both polyphenol oxidase activity and rooting index had significant correlation with pH,and the optimal pH of PPO was 6.5,while the optimal pH of in vitro rooting was 5.5.

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