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山楂叶螨滞育的初步研究
引用本文:刘会梅,孙绪艮,王向军,张建军.山楂叶螨滞育的初步研究[J].昆虫学报,2003,46(4):500-504.
作者姓名:刘会梅  孙绪艮  王向军  张建军
作者单位:1. 山东农业大学植保学院,山东泰安,271018
2. 山东黄岛出入境检验检疫局,山东黄岛,266500
摘    要:本文采用海绵水盘法研究了山楂叶螨Tetranychus viennensis Zacher的滞育与温度、光照和寄主营养等环境因子的关系。结果表明21℃下,临界光周期为12 h 32 min,光敏感螨态为幼螨至第二若螨之间的连续两个螨态,单独一个发育阶段对短光照不敏感或仅有微弱的感应。在相同寄主(梨树)叶片上,病叶和老叶诱导的滞育率比嫩叶高,分别为69.7%、55.3%和20%。相同叶片,短光照(12.5 h/d)条件下随螨密度的增大滞育率升高。相同短光照下,低温促进滞育,在15℃、18℃和21℃下滞育率分别为100%、93.1%和66.7%;高温(24℃)抑制滞育,滞育率仅为13.3%;温度为27℃时不滞育。

关 键 词:山楂叶螨  滞育  光周期  敏感螨态  食物质量  温度  
文章编号:0454-6296(2003)04-0500-05
修稿时间:2002年3月19日

Diapause of the hawthorn spider mite, Tetranychus viennensis Zacher
LIU Hui\|Mei ,SUN Xu Gen ,WANG Xiang Jun ,ZHANG Jian Jun.Diapause of the hawthorn spider mite, Tetranychus viennensis Zacher[J].Acta Entomologica Sinica,2003,46(4):500-504.
Authors:LIU Hui\|Mei  SUN Xu Gen  WANG Xiang Jun  ZHANG Jian Jun
Affiliation:LIU Hui\|Mei 1,SUN Xu Gen 1*,WANG Xiang Jun 2,ZHANG Jian Jun 1
Abstract:The effects of environmental factors such as photoperiod temperature and food quality on the incidence of diapause in the hawthorn spider mite, Tetranychus viennensis Zacher were investigated. The results show that the critical photoperiod for inducton of diapause was 12 hours and 32 minutes. The stages from larva to the protonymph, or from protonymph to the deutonymph, were more sensitive to photoperiod than other stages, however, among these a single developmental stage could not induce diapause. Feeding on the same host plants, the diapause incidence on old, diseased and young leaves were 69.7%, 55.3% and 20% respectively. Short photophase and low temperature (15℃, 18℃, 21℃) enhanced the incidence of diapause (100%, 93.1% and 66.7% respectively). Higher temperature (24℃) inhibited diapause,and diapause did not occur at 27℃.
Keywords:Tetranychus viennensis  diapause  photeperiod  sensitive stage  temperature  food quality
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