| 对我国北方近几年草地螟越冬虫源的初步分析 |
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| 引用本文： | 屈西峰,邵振润.对我国北方近几年草地螟越冬虫源的初步分析[J].中国植保导刊,1999,19(6). |
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| 作者姓名： | 屈西峰 邵振润 |
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| 作者单位： | 全国农业技术推广服务中心,北京,100026 |
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| 基金项目： | 农业部“九五”研究课题 |
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| 摘 要： | 通过对１９９８ 年和１９９９ 年草地螟越冬代成虫和一代幼虫，在北方农牧区的发生与分布进行对比分析，说明一、二、三代幼虫，都有可能形成滞育越冬幼虫，成为第二年发生的虫源。据此提出今后要搞好草地螟长期预报，必须跟踪观察各代幼虫越冬的比率和面积大小。
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| 关 键 词： | 草地螟 滞育 越冬 |
TENTATIVE ANALYSIS EMERGENCE AMOUNT OF OVER-WINTER LARVE OF MEADOW MOTH IN AGRICULTURAL AND PASTORAL AREA OF NORTH CHINA |
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| Qu Xifeng,Shao Zhenrun.TENTATIVE ANALYSIS EMERGENCE AMOUNT OF OVER-WINTER LARVE OF MEADOW MOTH IN AGRICULTURAL AND PASTORAL AREA OF NORTH CHINA[J].China Plant Protection,1999,19(6). |
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| Authors: | Qu Xifeng Shao Zhenrun |
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| Abstract: | The analysis on emergence amount and distribution of over winter generation moth and first generation larva of meadow moth in 1998 and 1999 years in agricultural and pastoral area of north china prove that all first, second and third generation larva have the possibility to developed diapause over winter larva. To put forward long term forecasting, investigation on emergence amount and total distribution area of over winter larva of meadow moth is necessary. |
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| Keywords: | meadow moth diapause over winter larva |
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