|Table of Contents|

Study on Biological Characteristic and Population Dynamics of Dasineura pyrivora Bouche in Wuhan(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年13
Page:
111-115
Research Field:
Publishing date:

Info

Title:
Study on Biological Characteristic and Population Dynamics of Dasineura pyrivora Bouche in Wuhan
Author(s):
YANG XiaopingHU HongjuCHEN QiliangTIAN RuiZHANG JingguoFAN Jing
(Research Institute of Fruit and Tea,Hubei Academy of Agricultural Science,Wuhan,Hubei 430064)
Keywords:
Dasineura pyrivorabiological characteristicpopulation dynamics
PACS:
-
DOI:
10.11937/bfyy.201613029
Abstract:
Taking Dasineura pyrivora Bouche as test object,using microscopy and field statistics methods,the damage symptoms,morphological characteristics of its egg,larvae and adult were illustrated,its biological characteristics,such as spawning behavior,the population dynamics of the pear midge and its natural enemies were systemically investigated as well.The results showed that three generations of pear midge occured every year in pear-production area in Hubei Province,the period of the overwintering generation adult emergence lasted for a longer time,which began from late February and reached the emergence peak on late March.There were three damage peaks caused by the larvae population of pear midge per year,which happened 20—30 days after the adult emergence.The larvae developed into pupae when the temperature was higher than 30 ℃.The natural insect enemies of pear midge mainly included Chrysopa,Harmonia axyridis, Propylaea japonica,Syrphus fly,spider and ant.

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Last Update: 2016-08-10