山楂叶螨卵在桃树上的空间分布型研究  

Spatial Pattern of Tetranychus viennensis Eggs in Peach Crown

作　　者：李兆防[1] 

机构地区：[1]菏泽学院资源与环境系,山东菏泽274000

出　　处：《浙江林业科技》2008年第6期67-69,共3页Journal of Zhejiang Forestry Science and Technology

摘　　要：运用8种聚集度指标对山楂叶螨卵在桃树上的空间分布型进行了研究,所有的指标都表明,山楂叶螨卵的空间分布型呈聚集分布,分布的基本成份是个体群,通过方差分析,山楂叶螨卵在桃树树冠的上、中、下3个层的分布数量差异都不显著。Study on spatial pattern of Tetranychus viennensis eggs in peach crown was carried out by analysis on investigated data and with eight aggregated indices. The result indicated that the eggs were aggregated distributed with basic component of individual colony. Analysis of variance demonstrated no difference of distribution on the upper, middle and lower crown of peach.

关 键 词：山楂叶螨 桃树 卵 空间分布 

分 类 号：S433.7[农业科学—农业昆虫与害虫防治]