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本文应用模糊聚类方法研究了烟蚜及其天敌的种群动态。揭示了春烟田中烟蚜及其天敌的发生规律和天敌对烟蚜的控制作用。烟蚜的种群消长与烟蚜天敌的种群数量密切相关，呈显著的双峰型。天敌是造成烟田前期蚜量下降的主要因素。
烟蚜及天敌种群动态的模糊聚类分析
【摘 要】
：
本文应用模糊聚类方法研究了烟蚜及其天敌的种群动态。揭示了春烟田中烟蚜及其天敌的发生规律和天敌对烟蚜的控制作用。烟蚜的种群消长与烟蚜天敌的种群数量密切相关，呈显著的
【机 构】
：
中国农业科学院烟草研究所,安徽省金寨县烟草公司
【出 处】
：
中国烟草科学
【发表日期】
：
2000年1期
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