| Effects of fluoride on growth and reproduction of the army worm, Mythimna separata (Walker) |
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| 作者姓名： | Gong Peiyu Li Xiuzhen Wu Kunjun Shu Jianmin and Cao Hongfa Institute of Zookogy Academia Sinica Beijing ChinaInstitute of Zookogy Chinese Research Academy of Environmental Science Beijing China |
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| 作者单位： | Gong Peiyu，Li Xiuzhen，Wu Kunjun Shu Jianmin and Cao Hongfa Institute of Zookogy，Academia Sinica，Beijing 100080，ChinaInstitute of Zookogy，Chinese Research Academy of Environmental Science，Beijing 100012，China |
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| 摘 要： | This paper deals with effects of airborne fluorine on the army worm, Mythimna separata (Walker), by rearing the larvae on the wheat foliage exposed to HF or fumigating the larvae on the artificial diet with the pollutant. Larval relative growth rate (GR) and index of population trend of the insect reduced by 5% and 11%, respectively, when the larvae were reared on the foliage taken from the wheat plants exposed to 0.87 g·dm-2·day-1 of fluorine compared with those of the control. An extra instar appeared in a majority of the larvae treated. Survival rate and GR of the larvae on the wheat plant being exposure to the same concentration of fluorine in field open-top fumigation device were 40% and 15% lower than that of the control, respectively. Similar experiment with the insect on the artificial diet also showed that direct impact of the pollutant on the army worm was greater than its indirect effect via their host plant.
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Effects of fluoride on growth and reproduction of the army worm, Mythimna separata (Walker) |
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| Gong Peiyu,Li Xiuzhen,Wu Kunjun Shu Jianmin and Cao Hongfa Institute of Zookogy,Academia Sinica,Beijing ,ChinaInstitute of Zookogy,Chinese Research Academy of Environmental Science,Beijing ,China.Effects of fluoride on growth and reproduction of the army worm, Mythimna separata (Walker)[J].Journal of Environmental Sciences,1990(4). |
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| Authors: | Gong Peiyu Li Xiuzhen Wu Kunjun Shu Jianmin and Cao Hongfa Institute of Zookogy Academia Sinica Beijing ChinaInstitute of Zookogy Chinese Research Academy of Environmental Science Beijing China |
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| Institution: | Gong Peiyu,Li Xiuzhen,Wu Kunjun Shu Jianmin and Cao Hongfa Institute of Zookogy,Academia Sinica,Beijing 100080,ChinaInstitute of Zookogy,Chinese Research Academy of Environmental Science,Beijing 100012,China |
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| Abstract: | |
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| Keywords: | air pollution fluoride wheat plant army worm (Mythimna separata) |
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