| 何平1，余爽1，王友富1，陈建雄1，刘大章1，马川2，张玲2，李在华2，刘明凤2.西花蓟马在石榴上的空间分布型及理论抽样数[J].植物保护,2012,38(4):131-132. |
| 西花蓟马在石榴上的空间分布型及理论抽样数 |
| Spatial distribution pattern and theoretical sampling of Frankliniella occidentalis on pomegranate |
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| DOI： |
| 中文关键词: 石榴 西花蓟马 空间分布型 理论抽样数 |
| 英文关键词:pomegranate Frankliniella occidentalis spatial distribution theoretical sampling |
| 基金项目: |
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| 中文摘要: |
| 采用5种聚集强度指标和2种线性回归对西花蓟马在石榴上的空间分布型进行了检验，对各指标的分析结果表明：西花蓟马在石榴园中的分布为聚集分布，个体间相互吸引，分布的基本成分是个体群，其聚集性随种群密度的增加而增强。用Iwao回归法中的α、β参数计算出了在允许误差范围内的理论抽样数。 |
| 英文摘要: |
| Five kinds of gathering intensity index and two kinds of linear regression were used to test the spatial distribution pattern of Frankliniella occidentalis on pomegranate. Based on data analysis of the aggregation indices, it showed that the distribution pattern of F.occidentalis in pomegranate gardens was aggregated. Individuals attracted each other, and basic composition of the distribution was a group of individuals. The aggregation was enhanced with the increase of its population density. In addition, the theoretical sampling number in the allowed range could be obtained by using the Iwao’s regression with α and β parameters. |
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