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Turfgrass Insects of the United States and Canada$
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Patricia J. Vittum

Print publication date: 2020

Print ISBN-13: 9781501747953

Published to Cornell Scholarship Online: January 2021

DOI: 10.7591/cornell/9781501747953.001.0001

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Sampling Techniques and Setting Thresholds

Sampling Techniques and Setting Thresholds

(p.381) 26 Sampling Techniques and Setting Thresholds
Turfgrass Insects of the United States and Canada

Patricia J. Vittum

Cornell University Press

This chapter looks at sampling techniques and setting thresholds. The cornerstone of any integrated insect management regime is accurately identifying pest insects (including assessing population density) and developing appropriate action thresholds. Various methods have evolved by which the populations of insects present in the turf environment may be determined relatively rapidly and efficiently. These methods have become standard techniques for reporting insect densities. The chapter differentiates between passive sampling techniques (use of traps) and active visual inspection techniques (actual quantification of insect populations). Thresholds in turf integrated pest management usually are more accurately considered tolerance levels, or action thresholds. The tolerance level, or action threshold, for turfgrass insects is site-specific and depends on many factors.

Keywords:   integrated insect management, turf insect pests, insect densities, passive sampling techniques, visual inspection techniques, integrated pest management, tolerance levels, action thresholds, turfgrass insects

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