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当前位置: 首页 > 文章 > 莱阳地区梨园、桃园、混栽桃梨园梨小食心虫发生规律 应用昆虫学报 2013,50 (6) 1538-1545
Position: Home > Articles > The frequency of occurrence of Grapholitha molesta( Busck) in single pear,peach and mixed pear-peach orchards in Laiyang Chinese Journal of Applied Entomology 2013,50 (6) 1538-1545

莱阳地区梨园、桃园、混栽桃梨园梨小食心虫发生规律

作  者：
刘玉光;顾松东;李丽莉;张彬;于毅;郑长英
单  位：
山东省农业科学院植物保护研究所;青岛农业大学农学与植物保护学院山东省植物病虫害综合防控重点实验室
关键词：
梨小食心虫;发生规律;单植梨园;单植桃园;混植桃梨园
摘  要：
为明确莱阳地区不同栽培模式下单植梨园、单植桃园、混植桃梨园的梨小食心虫Grapholitha molesta(Busck)发生规律,2009—2012年采用性诱芯法对以上果园梨小食心虫的发生规律进行探究并利用有效积温模型预测其发生代数。结果表明:梨小食心虫在莱阳地区一年可发生4代;第1~3代主要发生在桃园,发生时间为4—8月上旬,第4代主要发生在梨园,发生时间为8月中下旬或9月初,为害一直可持续到10月中旬。梨小食心虫在不同寄主上发生时间不同,除第一代发生比较整齐之外,其他世代发生时间不统一,尤其是梨园。单植梨园和单植桃园的梨小食心虫都能单独完成发育世代,但数量有差异。通过比较其差异显著性,单植桃园1~3代明显多于第4代,单植梨园第4代明显多于第1~3代。
译  名：
The frequency of occurrence of Grapholitha molesta( Busck) in single pear,peach and mixed pear-peach orchards in Laiyang
作  者：
LIU Yu-Guang;GU Song-Dong;LI Li-Li;ZHANG Bin;YU Yi;ZHENG Chang-Ying;Key Laboratory of Integrated Crop Pest Management of Shandong Province,College of Agronomy and Plant Protection, Qingdao Agricultural University;Shandong Academy of Agricultural Sciences;
关键词：
Crapholitha molesta,occuring regularity,single pear planting orchard,single peach planting orchard,mixed pear-peach planting orchard
摘  要：
In order to clarify the frequency of occurrence of Grapholitha molesta( Busck) under different planting patterns including pear orchards,peach orchards and mixed pear-peach orchards in the Laiyang area,pheromone traps and an effective cumulative temperature model were used to forecast the number of generations of G. molesta in 2009-2012. The results show that: G. molesta has 4 generations per year in the Laiyang area. From April to August,the 1st-3rdgenerations mainly occur in peach orchards whereas the 4thgeneration occurs in pear orchards from August to September. The last generation disappeared in the middle of October. The occurrence time of G. molesta on different hosts varied. In pear or peach orchards G. molesta can complete 4 generations. The 1st-3rdgenerations were more numerous than the 4thgeneration in peach orchards. On the other hand,the 1st-3rdgenerations were less numerous than the 4thgeneration in pear orchards.

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