INTERNATIONAL HERBICIDE-RESISTANT WEED DATABASE
©2022 WeedScience.org, Dr. Ian Heap 11/27/2022


PLEASE NOTE
The graph does not necessarily plot multiple resistance in the same individual plant.
Resistance to different SOA's may be found in separate populations, even in separate countries,
this chart presents the cumulative number of SOA's recorded globally for a species.

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Heap, I.  The International Herbicide-Resistant Weed Database.  Online.  Sunday, November 27, 2022 .  Available  www.weedscience.org Copyright © 1993- 2022 WeedScience.org All rights reserved. Fair use of this material is encouraged. Proper citation is requested.