Relationship Between Changes of the Pigments Content in Euonymus grandiflorus and the Temperature Changing in Autumn(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Relationship Between Changes of the Pigments Content in Euonymus grandiflorus and the Temperature Changing in Autumn

Keywords:: Euonymus grandiflorus; chlorophyll; carotenoid; anthocyanin; temperature

Abstract:: Taking Euonymus grandiflorus as test material，the changes of the concents of chlorophyll，carotenoid and anthocyanin of leaves in Euonymus grandiflorus were measured continuously by using spectrometer from October to November,and the relationship between the contents of pigments and the temperature changing was also explored.The results showed that the chlorophyll a，chlorophyll b,and the total content of chlorophyll of Euonymus grandiflorus were all decreased significantly from October to November in a whole．Chlorophyll a content was decreased 79.1%，chlorophyll b content was decreased 88.8%，the total content of chlorophyll was decreased 80.9%.Carotenoid content also was decreased from October to November，and the descend range was 44.1%.The content of anthocyanin was rised obviously during the different time.The range was 2 063.6%.The content of chlorophlly was very significantl postively correlated with the highest average temperature and the lowest average temperature.The content of carotenoid was significantl postively correlated with the highest average temperature and the lowest average temperature.The content of anthocyanin was very insignificantly negatively correlated with the highest average temperature and the lowest average temperature.

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Last Update: 2015-08-07