稻型、生育期及防治措施对害虫和天敌群落的复合效应.PDFVIP

安徽农业大学学报, 2011, 38(6): 926-930 Journal of Anhui Agricultural University [DOI]CNKI：34-1162/S1027.013 网络出版时间：2011-10-25 10:27:12 [URL]/kcms/detail/34.1162.S1027.013.html 稻型、生育期及防治措施对害虫和天敌群落的复合效应 1 2 3 3* 倪敬田 ，朱守康 ，缪 勇 ，江俊起 (1. 安徽农业大学生命科学学院，合肥 230036 ；2. 安徽省舒城县城关镇农业综合服务中心，舒城 231300 ； 3. 安徽农业大学植物保护学院，合肥 230036) 摘 要：通过对不同稻型、水稻生育期及防治措施 29 个群落的田间系统调查，运用极点排序法和模糊聚类法 进行群落分析。结果表明，对稻田害虫和天敌群落的影响，总体上防治措施＞稻型＞生育期，不同稻型和水稻生育 期害虫和天敌自身的特点，对不同防治措施对群落作用的效果有重要影响；早稻分蘖期和中稻分蘖期节肢动物群落 具备自我调节能力，中稻乳熟期群落稳定性极差，需要人为防治措施，晚稻田群落稳定性较高。试验结果对群落生 态学的研究与指导生产具有重要的理论和实践意义。 关键词：稻型；生育期；防治措施；害虫和天敌群落；相似性 中图分类号：S435.112 文献标识码：A 文章编号：1672−352X (2011)06−0926−05 Multi-effects of rice types, development stages and insecticide treatments on insect pest and natural enemy communities 1 2 3 3 NI Jing-tian , ZHU Shou-kang , MIAO Yong ，JIANG Jun-qi (1. School of Life Sciences, Anhui Agricultural University, Hefei 230036; 2. Shucheng Centre of Chengguan Agricultural Service, Shucheng 231300; 3. School of Plant Protection, Anhui Agricultural University, Hefei 230036) Abstract: Based on systematic investigation of 29 communities under different rice types, different de- velopment stages and different pesticide treatments, polar ordination method and fuzzy clustering method were used to analyze community characteristics. The results show as follows. The overall influence order of different factors on insect pest and natural enemy communities was insecticide treatment＞rice type ＞development pe- riod, but the characteristics of insect pest and natural enem