| 宁夏山楂叶螨生物学和发生规律的研究 |
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| 引用本文： | 赵力群,顾才东.宁夏山楂叶螨生物学和发生规律的研究[J].昆虫知识,1998,35(4):218-220. |
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| 作者姓名： | 赵力群 顾才东 |
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| 作者单位： | 宁夏农学院农学系!永宁，750105 |
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| 摘 要： | 山楂叶螨在宁夏1年发生4～6代，4月中旬9～10℃时出蛰，苹果初花期为盛。5月中旬在内膛危害，5月下旬后扩散树冠外。6月上中旬和7月中旬为发生高峰期。降水对其消长影响明显。温度在20～30℃有利山楂叶螨生长发育。
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| 关 键 词： | 山楂叶螨 种群消长 环境因子 |
The population dynamics of Tetranychus viennensis Zacher on apple tree in Ningxia |
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| Zhao Li-Qun, Gu Cai-Dong, Tian Zhen, Yang Ning-Quan, Liu Juan.The population dynamics of Tetranychus viennensis Zacher on apple tree in Ningxia[J].Entomological Knowledge,1998,35(4):218-220. |
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| Authors: | Zhao Li-Qun Gu Cai-Dong Tian Zhen Yang Ning-Quan Liu Juan |
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| Abstract: | Tetranychus viennensis Zacher occurred 4 to 6 generations earch year. The initial period of waking of the mite was in the middle April at the temperature of 9-10℃ and the peak period in the early florescence of apple tree. It infests the plants in the central of apple tree in the first half of May and spreads to the crown in the end of May. The mite has the peak numbers of population during the middle June to the middle July. The population dynamics of the mite were influenced by the precipitations. The most suitable temperature for the living of the mite is from 20-30℃. |
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| Keywords: | Tetranychus viennensis Zacher population dynamic environmental factors |
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