【摘 要】
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Reasons for the color change of E. pulcherrima were studied with physiological and biochemical paraments such as:rnchlorophyll, carotenoids, anthocyanin, Phenyl
【机 构】
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College of Life Sciences,Northeast Agricultural University,Harbin 150030,China
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Reasons for the color change of E. pulcherrima were studied with physiological and biochemical paraments such as:rnchlorophyll, carotenoids, anthocyanin, Phenylalanine ammonia-lyase (PAL), pH of cell sap in leaves and soluble sugar content etc.rnThe results showed that during the period of the leaf color transmittion of E. pulcherrima, the contents of plastid pigment, solublernsugar and pH of cells sap in leaves showed a high-low-high dynamic change, while the contents of anthocyanin and PAL activityrnshowed the low-high-low dynamic change. Anthocyanin stability had the close relationship with pH of cell sap in leaves, temperaturernand other conditions.
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