山核桃透翅蛾幼虫空间分布型及抽样技术
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摘要
【目的】确定山核桃透翅蛾(Sphecodoptera sheni)幼虫在薄壳山核桃(Carya illinoinensis)树上的空间分布型及抽样技术。【方法】采用频次分布法、6种聚集度指标(C、I、K、C_A、M~*/M、I_δ)、Taylor幂法则和Iwao回归方程对山核桃透翅蛾幼虫在薄壳山核桃大树上的空间分布型和抽样技术进行研究,计算Blackith聚集均数λ,分析山核桃透翅蛾幼虫种群的聚集原因。【结果】山核桃透翅蛾幼虫在薄壳山核桃上呈聚集分布,分布的基本成分为个体群,聚集度随种群密度升高而增大。山核桃透翅蛾幼虫种群聚集是由环境条件和自身特性共同引起的。【结论】建立山核桃透翅蛾幼虫种群的理论抽样表和序贯抽样公式,可为该虫害的抽样调查和防治提供理论依据。
【Objective】 The purpose of the present study was to evaluate the spatial distribution pattern and sampling technique for Sphecodopter sheni larvae on Carya illinoinensis. 【Method】 Frequency distribution, six aggregation indexes(C, I, K, C_A, M~*/M, I_δ), Taylor power, and Iwao's regression equation were used to analyze the spatial distribution pattern and sampling technique for S. sheni larvae on C. illinoinensis. The assembling reasons were analyzed using average aggregation size λ. 【Result】S. sheni larvae exhibited a characteristic pattern of aggregation distribution, and the aggregation intensity increased with the increasing density. The aggregation of S. sheni larvae was dependent on its own biological characteristics and environmental factors.【Conclusion】 The theoretical sampling table and sequential sampling formula of the larvae population were established, which provides a theoretical basis for the sampling investigation and helps in the prevention of the pest infestation.
【Objective】 The purpose of the present study was to evaluate the spatial distribution pattern and sampling technique for Sphecodopter sheni larvae on Carya illinoinensis. 【Method】 Frequency distribution, six aggregation indexes(C, I, K, C_A, M~*/M, I_δ), Taylor power, and Iwao's regression equation were used to analyze the spatial distribution pattern and sampling technique for S. sheni larvae on C. illinoinensis. The assembling reasons were analyzed using average aggregation size λ. 【Result】S. sheni larvae exhibited a characteristic pattern of aggregation distribution, and the aggregation intensity increased with the increasing density. The aggregation of S. sheni larvae was dependent on its own biological characteristics and environmental factors.【Conclusion】 The theoretical sampling table and sequential sampling formula of the larvae population were established, which provides a theoretical basis for the sampling investigation and helps in the prevention of the pest infestation.
引文
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[2] 刘壮壮,曹凡,张瑞,等.5个薄壳山核桃品种花粉形态电镜扫描观察[J].经济林研究,2016,34(2):137-142.DOI:10.14067/j.cnki.1003-8981.2016.02.025.LIU Z Z,CAO F,ZHANG R,et al.Observation of pollen morphologies in fve cultivars of Carya illinoensis by SEM[J].Nonwood Forest Research,2016,34(2):137-142.
[3] 曹凡,冯刚,谭鹏鹏,等.不同品种薄壳山核桃种胚组织培养研究[J].中南林业科技大学学报,2017,37(8):18-23.DOI:10.14067/j.cnki.1673-923x.2017.08.004.CAO F,FENG G,TAN P P,et al.Research on the zygote embryo tissue culture of different pecan cultivars[J].Journal of Central South University of Forestry & Technology,2017,37(8):18-23.
[4] 沈百炎.赤腰透翅蛾的初步研究[J].植物保护,1988,14(3):23-25.
[5] 杨秀好.桉蝙蛾生物生态学特性的研究[D].北京:北京林业大学,2013.YANG X H.Studies on the bio-ecological characteristics of Endoclita signifer Walker (Lepidoptera:Hepialidae)[D].Beijing:Beijing Forestry University,2013.
[6] 翟敏.薄壳山核桃容器育苗及嫁接技术研究[D].南京:南京农业大学,2011.ZHAI M.Research on container nursery and grafting techniques of Carya illinoensis[D].Nanjing:Nanjing Agricultural University,2011.
[7] 宗世祥.沙棘木蠹蛾生物生态学特性的研究[D].北京:北京林业大学,2006.ZONG S X.Studies on the bio-ecological characteristics of seabuckthorn carpenter moth:Holcocerus hippophaecolus (Lepidoptera:Cossidae)[D].Beijing:Beijing Forestry University,2006.
[8] 丁岩钦.昆虫数学生态学[M].北京:科学出版社,1994.
[9] TAYLOR L R.Aggregation,variance and the mean[J].Nature,1961,189(4766):732-735.DOI:10.1038/189732a0.
[10] IWAO S.A new regression method for analyzing the aggregation pattern of animal populations[J].Researches on Population Ecology,1968,10(1):1-20.DOI:10.1007/BF02514729.
[11] 徐汝梅,成新跃.昆虫种群生态学:基础与前沿[M].北京:科学出版社,2005.
[12] IWAO S.A new method of sequential sapling to classify populations relative to a critical density[J].Researches on Population Ecology,1976,17(2):239-239.DOI:10.1007/BF02530774.
[13] 张振田,李镇宇.白杨透翅蛾幼虫空间分布型及抽样技术的研究[J].河北林学院学报,1994(1):59-64.ZHANG Z T,LI Z Y.Studies on space distribution and sampling technique of Paranthrene tabaniformis larvae[J].Forestry and Ecological Sciences,1994(1):59-64.
[14] 魏振国,董彦才,徐淑岭.栗透翅蛾幼虫种群空间分布型及抽样技术研究[J].山东林业科技,1992,22(S1):37-40.WEI Z G,DONG Y C,XU S L.Studies on space distribution and sampling technique of Aegeria molybdoceps larvae[J].Journal of Shandong Forestry Science and Technology,1992,22(S1):37-40.
[15] 许胜利,王立宇,杨建军,等.灰斑古毒蛾幼虫空间分布及防治指标序贯抽样模型[J].内蒙古林业科技,2017,43(4):38-41.DOI:10.3969/j.issn.1007-4066.2017.04.009.XU S L,WANG L Y,YANG J J,et al.Spatial distribution of larvae of Orgia ercae Germar and sequential sampling model of controlling index[J].Inner Mongolia Forestry Science and Technology,2017,43(4):38-41.