红梨园果实采摘后害虫及天敌的组成与数量特征  

The Composition and Numerical Characteristics of Insect Pests and Their Natural Enemies of Red Pear Orchard after Fruit Harvest

作　　者：刘霞[1] 黄忆[1] 况荣平[1,2] 

机构地区：[1]西南林学院保护生物学院 [2]云南大学,云南昆明650091

出　　处：《林业调查规划》2007年第4期95-97,共3页Forest Inventory and Planning

基　　金：PANAP农药社区监测项目的部分内容;由瑞典国际发展合作署资助

摘　　要：2006年9-11月，在昆明市盘龙区松花乡红梨科技示范园中对红梨果实采摘后的主要害虫及天敌的组成与数量特征进行调查，发现害虫16种，天敌19种。梨蚜为主要害虫，瓢虫为主要天敌。分析了梨蚜与其主要天敌瓢虫的消长动态，表明_天敌的发生与蚜虫密切相关，且有明显的时间和数量跟随关系。The survey on the composition and numerical characteristics of insects pests and their natural enemies had been done in scientific demonstration park of red pear in Songhua Township of Kunming city since September to November of 2006 after the fruit harvest. The result indicated that there were 16 spe-cies of insect pest including aphides and 19 species of natural enemy like ladybird. The analysis of the dynamic fluctuation between aphides and ladybirds showed an obvious follow relation in time and quantity and that the occurrence of natural enemy had very close relationship with aphides.

关 键 词：红梨 害虫 天敌 相对多度 丰富度 

分 类 号：S661.2[农业科学—果树学] S763.3[农业科学—园艺学]