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《Journal of Fujian College of Forestry》 2005-02
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The fluctuation of flavone in leaves of Castanea henryi damaged by Dryocosmus kuriphilus

YANG Yong,CHEN Shun-li,WU Hui,YE Xiao-yu (1.Forestry College ,Fujian Agriculture and Forestry University, Fuzhou 350002,China; 2.Forest Disease and Pest Control and Quarantine Station of Nanping City,Nanping 353000,China)  
The change of flavone contents in leaves at different damaged stages,injured by Dryocosmus kuriphilus Yasumatus,were surveyed.The results showed that with the (different) damaged stages, the contents of flavonoids in leaves of different varieties were constantly fluctuating.From the middle ten days of June to the middle ten days of July,the flavone were increased and reached the peak value before the larvae hatch,then the contents dropped rapidly after hatching. The contents of flavone corresponds to the resistance index.The resistant varieties have the high contents in leaves, and the sensitive varieties have the low contents.After injured by the primary larva, the decrement of flavone contents of the resistant varieties was higher than that of the sensitive varieties. The amount of flavone contents in leaves had close relationship with resistance of the variety in different (periods.)
【Fund】: 福建省科技厅科学基金资助项目(K97040)
【CateGory Index】: S436.64
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