桃园害虫及天敌群落动态研究

摘要/Abstract

摘要： 通过对桃园害虫天敌群落的系统调查,应用主分量分析法、最优分割法和模糊聚类分析方法进行分析.结果表明,群落具有明显的主导因素和时间格局;对桃园节肢动物群落55种节肢动物的数量变化进行模糊聚类分析,选置信水平λ=047,将其分为4个时期,利用最优分割法,将害虫天敌的发生量分为3段,利用主分量分析法,明确了主要害虫及其天敌种类.

关键词: 害虫, 天敌, 群落动态, 桃园, 相互作用, 羽茅, 香柱菌属内生真菌, 浸提液, 孢子萌发, 丛枝菌根真菌

Abstract: Investigations on structure of arthropod community in peach gardon were conducted with the principal component analysis,the optimal sorting method and fuzzy clustering analysis .The results showed that more obvious main factors and temporal patterns exist in the community.Dealing with the population dynamics of 55 species of arthropods by fuzzy clustering analysis and taking λ=047,we divided the community into four stages.The number of pests and their natural enemies was divided into three parts by the optimal sorting method.The dominant species of pests and their natural enemies were demonstrated by the principal component analysis.

Key words: Pests, Natural enemies, Community dynamics, Peach orchards, Interaction, Achnatherum sibiricum, arbuscular mycorrhizal fungi, spore germination, Epichlo endophytes, extraction.

中图分类号:

Q968.1

邹运鼎, 毕守东, 周夏芝, 李磊, 高彩球, 丁程成. 桃园害虫及天敌群落动态研究[J]. 应用生态学报, 2003, (5): 717-720.

ZOU Yunding, BI Shoudong, ZHOU Xiazhi, LI Lei, GAO Caiqiu, DING Chenchen. Dynamics of the pest and natural enemy communities in peach orchards[J]. Chinese Journal of Applied Ecology, 2003, (5): 717-720.

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