Abstract
The study is aimed at determine the content of anthocyanins and expressions of relative genes and activity of relative enzymes. The effects of flood stress on anthocyanins synthesis with relative genes and enzymes of Chrysanthemum morifolium cv. 'Hangju' were analyzed. The expression of CHS and the content of CHS presented the trend of first rising and after downward with the increase of flowering degree. The content of anthocyanins, the expression of DFR and the activity of DFR presented the trend of first downward and after rising with the increase of flowering degree. There was a positive correlation among anthocyanins,DFR gene and DFR. However there was no significant correlation among anthocyanins,CHS gene and CHS. Flood stress has significant effects on anthocyanins synthesis with relative genes and enzymes of Ch. morifolium cv. 'Hangju',but don't change the patterns of genes expression and anthocyanins and enzymes accumulation. DFR and DFR are the key gene and key enzyme of anthocyanins synthesis.
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