The spatial and temporal distribution of the grain aphid Sitobion avenae in winter wheat
作者： L. Winder , J.N. Perry , J.M. Holland
DOI: 10.1046/J.1570-7458.1999.00588.X
关键词:
摘要: The spatial and temporal distribution of the grain aphid Sitobion avenae F. (Homoptera: Aphididae) was studied within a field winter wheat during summer 1996. Sampling done using four nested grids comprising 133 locations. Analysis by Taylor's power law gave results typical for insect populations. SADIE (Spatial Distance Indices) showed pattern due to edge effects sampling scale, positive but mild association, although patterns were ephemeral. Reasons these findings implications integrated crop management are discussed.
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