梨小食心虫在上海地区田间种群发生动态  

Population dynamics of Grapholitha molesta in Shanghai Area

作　　者：张岳峰 

机构地区：[1]上海市林业总站,上海200072

出　　处：《中国森林病虫》2014年第3期24-26,共3页Forest Pest and Disease

基　　金：上海市农委科技攻关项目[沪农科攻字(2006)第4-11号]

摘　　要：梨小食心虫Grapholitha molesta(Busck)是上海地区危害桃树、梨树的主要蛀果性害虫,2009—2012年作者利用性引诱剂对浦东新区桃园、奉贤区梨园梨小食心虫的田间种群动态进行了监测,结果表明:上海地区1 a发生4代,越冬代成虫始见期在4月上中旬,第1,2,3,4代成虫发生期无明显的间断,尤其是第2,3,4代成虫期,有世代重叠现象;第1,2代幼虫主要危害新梢,第3,4代幼虫危害果实。Grapholitha molesta is an important fruit-boring pest on peach trees and pear trees in Shanghai area. The population dynamics of G. molesta was monitored with sex attractants in peach orchards in Pudong New Area and pear orchards in Fengxian District from 2009 to 2012. The results showed that it had 4 generations a year, the overwintering adults appeared in early and mid April, occurrence of the adult of the first, second, third and fourth generations had no obvious interruption ,especially for the adults of the second, third and fourth generations, the generations overlapped. The larvae of the first and second generations mainly attacked new shoots and the larvae of the third and fourth generations infested fruits.

关 键 词：梨小食心虫 监测 田间种群动态 

分 类 号：S763.42[农业科学—森林保护学]