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《The Journal of Hebei Forestry Science and Technology》 2018-01
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Study on Host Plant and Population Dynamic of Cydia trasias

WANG Yan-zhi;SUN Ming-qing;LIU Feng-tao;WANG Hao;SONG Yu-zhi;TIAN Fei-fei;Gardening bureau of Xinhua district of Shijiazhuang City;Agricultural technology promotion center of Shijiazhuang City;Department of landscaping management of Shijiazhuang City;Department of botanical garden management of Shijiazhuang City;  
The random reconnaissant survey,sex pheromone mass trapping trial and harmed branches anatomy method were conducted to investigate the plant species damaged by Cydia trasias,the temporal dynamic and spatial dynamic of C. trasias population. Results showed that there were eight species of host plants. Adult peak emerged from the end May to middle June and the end August to middle September in one year. The harmed degree of crown different parts caused by the 1 st generation larva following the order of petiole young shoot flower cluster. However,which caused by the 2 nd generation larva following the order of petiole infruit young shoot. Viewing from the four directions,the maximum of harmed leaves rate was in the East and South. The harmed leaves rate in the upper part of tree crown was more than that in the lower part.
【Fund】: 石家庄市科技局应用技术研究与开发资金项目(151520382A);; 河北省建设科技研究项目指导性计划(2016-230)
【CateGory Index】: S763.42
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