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The Critical Period for Weed Control: Revisiting Data Analysis

Published online by Cambridge University Press:  20 January 2017

Stevan Z. Knezevic  and
Avishek Datta
Stevan Z. Knezevic*
Affiliation:
Department of Agronomy and Horticulture, University of Nebraska, Northeast Research and Extension Center, 57905 866 Road, Concord, NE 68728-2828
Avishek Datta
Affiliation:
Agricultural Systems and Engineering, School of Environment, Resources and Development, Asian Institute of Technology, Pathumthani 12120, Thailand
*
Corresponding author's E-mail: sknezevic2@unl.edu
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There is an ever-larger need for designing an integrated weed management (IWM) program largely because of the increase in glyphosate-resistant weeds, not only in the United States but also worldwide. An IWM program involves a combination of various methods (cultural, mechanical, biological, genetic, and chemical) for effective and economical weed control (Swanton and Weise 1991). One of the first steps in designing an IWM program is to identify the critical period for weed control (CPWC), defined as a period in the crop growth cycle during which weeds must be controlled to prevent crop yield losses (Zimdahl 1988).

Keywords

Critical time for weed removalcritical weed-free periodcrop–weed interactionsdose–response curvesduration of interferenceexperimental designnonlinear regressionR software
Type
Weed Biology and Ecology
Information
Weed Science , Volume 63 , Issue SP1: Special Issue: Research Methods in Weed Science , February 2015 , pp. 188 - 202
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
Copyright © Weed Science Society of America

References

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