Aphid Response to Vegetation Diversity and Insecticide Applications

John E. Banks; John D. Stark

doi:10.1016/j.agee.2003.11.005

Aphid Response to Vegetation Diversity and Insecticide Applications

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Abstract

A field experiment was conducted to determine the effects of vegetation diversity and pesticide disturbance on insect herbivore populations in a broccoli agroecosystem. Varying concentrations of the selective insecticide imidacloprid were applied to patches of broccoli surrounded by bare ground or weedy vegetation during one growing season in western Washington (USA). Aphids responded to an interaction between vegetation diversity and pesticide concentration, and their response varied as a function of time after pesticide disturbance. These results suggest that simplistic, linear predictions of the effects of chemical disturbance and natural enemies on insect herbivore populations will not be forthcoming. (C) 2003 Elsevier B.V. All rights reserved.

Original language	American English
Journal	Agriculture Ecosystems & Environment
Volume	103
DOIs	https://doi.org/10.1016/j.agee.2003.11.005
State	Published - Aug 1 2004
Externally published	Yes

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title = "Aphid Response to Vegetation Diversity and Insecticide Applications",

abstract = " A field experiment was conducted to determine the effects of vegetation diversity and pesticide disturbance on insect herbivore populations in a broccoli agroecosystem. Varying concentrations of the selective insecticide imidacloprid were applied to patches of broccoli surrounded by bare ground or weedy vegetation during one growing season in western Washington (USA). Aphids responded to an interaction between vegetation diversity and pesticide concentration, and their response varied as a function of time after pesticide disturbance. These results suggest that simplistic, linear predictions of the effects of chemical disturbance and natural enemies on insect herbivore populations will not be forthcoming. (C) 2003 Elsevier B.V. All rights reserved.",

author = "Banks, {John E.} and Stark, {John D.}",

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AU - Stark, John D.

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AB - A field experiment was conducted to determine the effects of vegetation diversity and pesticide disturbance on insect herbivore populations in a broccoli agroecosystem. Varying concentrations of the selective insecticide imidacloprid were applied to patches of broccoli surrounded by bare ground or weedy vegetation during one growing season in western Washington (USA). Aphids responded to an interaction between vegetation diversity and pesticide concentration, and their response varied as a function of time after pesticide disturbance. These results suggest that simplistic, linear predictions of the effects of chemical disturbance and natural enemies on insect herbivore populations will not be forthcoming. (C) 2003 Elsevier B.V. All rights reserved.

UR - https://digitalcommons.tacoma.uw.edu/ias_pub/91

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VL - 103

JO - Agriculture Ecosystems & Environment

JF - Agriculture Ecosystems & Environment

ER -

Aphid Response to Vegetation Diversity and Insecticide Applications

Abstract

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