| 松突圆蚧种群分布的空间格局研究 |
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| 引用本文： | 陈永革,古德祥.松突圆蚧种群分布的空间格局研究[J].中山大学学报(自然科学版),1995,34(4):122-124. |
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| 作者姓名： | 陈永革 古德祥 |
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| 作者单位： | 中山大学昆虫研究所 |
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| 摘 要： | 对照区和放蜂区的松突圆蚧雌成虫分布均呈负二项式分布，两区负二项式分布的ｋ值不变，两区每束松针上的平均雌蚧数的变化系由松突圆蚧花角蚜小蜂的寄生所致。
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| 关 键 词： | 松突圆蚧，松突圆蚧花角蚜小蜂，负二项式分布 |
Study on the Spatial Distribution Pattern of Hemiberlesia pitysophila Takagi |
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| Chen Yongge,Gu Dexiang Research Institute of Entomology,Zhongshan University,Guangzhou.Study on the Spatial Distribution Pattern of Hemiberlesia pitysophila Takagi[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,1995,34(4):122-124. |
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| Authors: | Chen Yongge Gu Dexiang Research Institute of Entomology Zhongshan University Guangzhou |
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| Institution: | Chen Yongge,Gu Dexiang Research Institute of Entomology,Zhongshan University,Guangzhou 510275 |
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| Abstract: | Distributions of Hemiberlesia pitysophila Takagi in both parasite-releasingand check fields were negative binomial ones with the same k value,the difference in av-erage number of female adult scale per bunch of needles was ascribed to the parasitiza-tion. |
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| Keywords: | Hemiberlesia pitysophila Takagi Coccobius azumai Tachikawa negative bi-nomial distribution |
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