Weeds (Insects and Mites): Biological Control

Authored by: Peter Harris

Managing Biological and Ecological Systems

Print publication date:  July  2020
Online publication date:  July  2020

Print ISBN: 9781138342644
eBook ISBN: 9780429346170
Adobe ISBN:


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Insects and other natural enemies are primarily used for controlling weeds by the classical or inoculative approach. This involves establishing natural enemies from other places for continuing suppression of the weed. It is done by government in the public interest, as it commonly takes 20 years to achieve control and once established the enemy finds the weed on its own. However, there are public concerns about safety, which change over time. No crops have suffered economic loss, few native plants have been attacked, and none have been exterminated but the record is not enough. The concerns must be addressed directly and this has driven the evolution of weed biocontrol.

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