| 白蜡绵粉蚧生物学特性 |
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| 引用本文： | 钱晓澍,于春梅. 白蜡绵粉蚧生物学特性[J]. 中国森林病虫, 2001, 0(Z1) |
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| 作者姓名： | 钱晓澍 于春梅 |
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| 作者单位： | 西宁市园林植保植检站 |
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| 摘 要： | 白蜡绵粉蚧 Phenacoccus fraxinus主要为害白蜡树 F raxinus sp.,在西宁市 1年 1代 ,以 2龄若虫越冬。化学防治适期为 3月下旬至 4月上旬雌虫成虫期 ,用 4 0 %氧化乐果或天王星 2 0 0 0倍液均匀喷洒 ,杀虫效果 93%以上 ,可有效控制该虫的危害与传播
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| 关 键 词： | 白蜡绵粉蚧 生物学特性 防治方法 |
Bionomics of Phenacoccus fraxinus |
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| QIAN Xiao shu,et al.. Bionomics of Phenacoccus fraxinus[J]. Forest Pest and Disease, 2001, 0(Z1) |
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| Authors: | QIAN Xiao shu et al. |
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| Affiliation: | QIAN Xiao shu,et al. |
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| Abstract: | Phenacoccus fraxinus mainly attacks Fraxinus sp . It has one generation a year and overwinters as nymph in Xining of Qinghai Province.The control result showed that the mortality of the insect was over 93% and the damage and dispersal of the insect were checked when 40% Omethoate(diluted into 800 times) was sprayed from last decade of March to first 10 days of April. |
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| Keywords: | Phenacoccus fraxinus bionomics control method |
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