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| 园林植物害虫桂花网蝽的空间分布特征 | |
| 引用本文： | 刘平,晏青华,文仕军,阮桢媛,胡建银,龚静林. 园林植物害虫桂花网蝽的空间分布特征[J]. 中国森林病虫, 2021, 40(2): 11-16 |
| 作者姓名： | 刘平 晏青华 文仕军 阮桢媛 胡建银 龚静林 |
| 作者单位： | 云南林业职业技术学院,云南 昆明 650224;西南林业大学,云南 昆明 650224;江西省贵溪中心苗圃,江西 贵溪 335400 |
| 基金项目： | 中央财政林业科技推广项目“五倍子林农倍间作模式技术推广示范”(云[2019]TG13号);云南省教育厅项目“松墨天牛对不同林龄云南松的取食、产卵选择性研究”(2018JS573);云南林业职业技术学院学生科技创新项目“DPS软件在植物病虫害调查中的应用——以桂花网蝽为例”。 |
| 摘 要： | 运用分布型指数法、Taylor幂法则、Iwao回归方程对园林植物害虫桂花网蝽Eteoneus sigil-latus在昆明市的空间分布进行调查研究.结果表明,桂花网蝽在桂花Osmanthus fragrans上呈聚集分布,频次测定中负二项分布(似然法)卡方值为244.3291,其分布符合负二项分布,产生原因可能与环境因... |
| 关 键 词： | 桂花网蝽 桂花 空间分布型 抽样技术 |
Spatial distribution patterns of Eteoneus sigillatus Drake et Poor on Osmanthus fragrans |
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| Affiliation: | (Yunnan Forestry Technological College,Kunming 650224,China;不详) |
| Abstract: | Eteoneus sigillatus has become a serious pest for Osmanthus fragrans in recent years.The spatial distribution pattern of E.sigillatus was determined by spatial distribution pattern indices,and the assembling reasons were analyzed using Taylor′s regression model and Iwao′s regression equation.The results indicated that E.sigillatus was clustered on O.fragrans,and the chi-square value of negative binomial distribution(likelihood method)was 244.3291 in frequency measurement.The aggregated distribution of E.sigillatus in the field fitted the negative binomial series.The reason for the aggregation may be due to some environmental factors.On the basis of the distribution pattern,the optimal sampling number and sequential sampling table were calculated using Iwao′s method,it could provide some references on field sampling survey and density prediction. |
| Keywords: | Eteoneus sigillatus Osmanthus fragrans spatial distribution pattern sampling technique |
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